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There are mainly three types of Roofing Materials commonly used for flat roofs.

The three types of roofing materials are EPDM Rubber, TPO Vinyl, and Modified Bitumen Torch Down. These materials classified as “single ply” roofing membranes. Every roofing system has its pro’s and cons and techniques of installation.

Modified BitumenTorch Down is by far the most durable roofing material. Once a single ply torch down is coupled with a second layer Modified Bitumen Membrane, it becomes a Two Ply System that surpasses the quality and standards of all other roofing systems.

Comparing EPDM Rubber Materials with Modified Bitumen Torch Down Materials.

The article on Rubber Roofs will explain the experience we have had over the last 30 years with rubber roof materials. One of the main reasons why one roofing material is better than the other is that one can be protected and the other cannot be protected against Ultraviolet Rays.

If it wasn’t for Ultraviolet Rays, then any roofing material would be suitable. The only material that UltraViolet does not have an effect on is “stone” or “ceramic”. By adding a ceramic layer on the top surface of a rubber membrane, will protect it and extend its life.

Modified Bitumen Torch Down Rubber Material with ceramic granules

Modified Bitumen Torch Down Rubber material with ceramic granules embedded to protect against ultraviolet.
  1. Two-Ply MB roofing material is almost 1/2″ thick
  2. Ceramic granules embedded for protection against ultraviolet
  3. Can not be damaged by foot traffic or snow shoveling
  4. Can be installed over any surface with little preparation
  5. Can be painted with Silver Paint or Aluminum Asphalt Coating
  6. Seams are Torch or Heat welded – will not separate

EPDM Rubber Material with no Ultraviolet protection

EPDM Rubber Material with no UV protection
  1. EPDM Rubber material is only a 1/8″ thick
  2. Does not come with Ultraviolet protection
  3. Cannot be coated against Ultraviolet
  4. Can not withstand heavy foot traffic
  5. Cannot be installed over any surface without a big expense
  6. Seams a glued together and the adhesives brakes down in extensive heat exposure.

EPDM Rubber Roofing material is popular

The biggest problem with EPDM Rubber Roofing Material is that the adhesives that are used to glue the seams together. The adhesive used is a contact cement and over the last 40 years have been recalled over five times.

The extreme heat on a flat roof, over 160 degrees F, breaks down the bonding properties of the adhesives and compromises the roof.

EPDM is also a thin material that can easily damage by workers around air conditioners and other objects on the roof. The maximum life expectancy for an EPDM roof without maintenance problems is between 10 – 15 years.

Firestone manufactures EPDM Rubber Material. Although EPDM Rubber was never intended to be used for commercial roofs, it slowly made its way in and today we see over 50% of commercial roofs covered with EPDM Rubber materials.

EPDM Rubber Roofing Material are damaged by Ultraviolets creating patches all over the roof

EPDM Rubber Material deteriorated due to heat

The image above shows walking mats to protect the EPDM material but yet there are patches all over the roof. Protective mats are never walked on. The reason for all the patches is because of the intense heat and the black membrane absorbing most of the heat breaking down the adhesives bonding the seams. After 60 years there is no solution to this problem yet.

Why is Modified Bitumen Rubber Materials better than EPDM rubber?

  1. Heat welding versus glue – The glue that bonds the EPDM rubber at the seams is affected by heat and the sun and deteriorates over time.
  2. When it comes to maintenance – It’s far easier and fewer skills needed to repair an MB rubber roof than EPDM or TPO roof
  3. Modified Bitumen will last longer without maintenance than all the other roofing systems.
  4. EPDM and TPO has a big shrinkage problem over time. That is what will pull away from the wall and flashing. Not so much with MB.
  5. A roof gets abused by Maintenance people – air conditioning, cleaners and snow removal people. Modified Bitumen Rubber can withstand most of these abuses.
  6. The MB rubber is tougher and can withstand snow shovels better than the EPDM or TPO membranes.
  7. Modified Bitumen rubber life expectancy is far greater than EPDM or TPO membranes without trouble.
Modified Bitumen Torch Down Roofing Materials installed on a Commercial Roof

Modified Bitumen Torch Down Rubber Material

Notice the white rubber membrane. This rubber material comes with ceramic granules embedded protecting the rubber against ultraviolet and causing less heat to be absorbed.

The Pros of Modified Bitumen Roofing Materials

This type of rubber roof is very sturdy and durable. When it comes to commercial roofs, then this is the choice material because it is expected to have service and maintenance people on it regularly.

If they happen to drop nails and screws, it will not be a problem if someone would step on it unlike on an EPDM rubber roof.Installing Modified Bitumen rubber roofs is pretty straightforward.

There are techniques as in any roofing material that should be followed to ensure a stable roof over many years. The problem is that many roofing companies have stuck to EPDM rubber and never got familiar with Modified Bitumen rubber roofs.

Installing a Modified Bitumen rubber roof is also less costly than EPDM. It is more robust and thicker than EPDM and installs over almost any surface, unlike EPDM rubber roofs.

As long as the flashing is exposed and free from debris, you can install the modified bitumen membrane straight onto an existing roofing material.

Modified Bitumen Roofing materials - Ceramic granules embedded on this roof surface

Finished Modified Bitumen Torch Down Rubber

The image above is of a Torch Down over 20 years old and shows no sign of deterioration. This is the best roofing material that could be installed on a flat roof.

Ultraviolet protection against Roofing Materials

This video shows how ultraviolet rays can break roofing material down. All types of roofing materials are prone to degradation if not protected. EPDM Rubber and TPO Vinyl materials do not come with ultraviolet protection regardless of the claims that it is built in.

Modified Bitumen Membranes can come with protection or without protection. When a roofing contractor installs a Torch Down Rubber material without the granules. them it is important to have it coated with Silver Paint or Aluminum Asphalt paint.

How to find and repair leaks on flat roofs

Finding and repairing leaks on flat roofs. Choose from different categories what you want to learn about.
Flat roof leaks can be caused by:

  • flashing – this is the transition area from a roof to an object
  • drains – this could be gutters, scuppers and inner roof drains
  • skylights – roof windows – curbs and glass seals
  • vents – sewage vents stacks, roof vents, A/C vents
  • air conditioners curbs – air handlers and compressors on a roof
  • pitch pockets – where pipes and electrical wires penetrates the roof
  • siding – walls on a roof
  • door sills – entrance ways onto flat roofs

and other objects.

Flat Roof Drains

Always make sure you have a large metal drain strainer for a flat roof repair
It is important to have a correct draining system on a flat roof to avoid structural damage. Drains must be sized correctly and placed in the right location to be effective. Main Page: Drains, Scuppers, Gutters Other Articles:

Rubber Membrane Repair Torch Down – DIY Videos

Flat Roof Repair - Pennsylvania, New York, Connecticut, Texas, California
  1. Main Page: Torch Down Rubber Membrane Repair
  2. Other Articles:
  • Materials and Tools list  with instructions to fix a Torch Down Rubber Roof
  • What to look for before making roof repairs
  • Comparing Torch Downs with other Roof systems
  • Aluminum ...
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TPO Vinyl Membrane Repair

TPO Tools for Flat Roof Repair in Connecticut, Pennsylvania, Texas, California
Articles/ Videos about TPO Membrane:
  1. Main Page: How to repair a TPO membrane
  2. Other Articles:
  • TPO and PVC Roofing - Single Ply Roofing System
  • Advantages and Disadvantages of a TPO roof
  • TPO Roofing membrane
  • Fixing a TPO ...
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EPDM Rubber Roof Repair

EPDM Tools for a Flat Roof repair - CT, PA, NY, CA, TX, CA
Articles/ Videos about EPDM Rubber:
  1. Main Page: DIY  EPDM Rubber Roof Repair instructions
  2. Other Articles:
  • Comparing EPDM Rubber with Torch Down
  • Explaining three types of Rubber membranes
  • Ultra Violet Degradation of EPDM Rubber
  • EPDM Rubber Roof Issues
  • ...
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How to Determine the Type of Flat Roof Membrane to make roof repairs

Tools to repair rubber membranes
Always make sure you use the right roofing materials for flat roof repairs First Step:  Determine the Type of Flat Roof Membrane There are basically three types of roof membranes used:
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Flat Roof Repair – How to Fix a Leaky Flat Roof – DIY Guide – Videos

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Fixing Flat Roof Rubber Membranes are very easy. Get started today.  "How to locate a flat roof leak" for Repairing Flat Roofing Flat Roof Repair - How to Fix a Leaky Roof - This DIY Guide covers the repairing of ...
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Which Silver Coating or Asphalt Aluminum Paint to use?

Karnak Aluminum Asphalt Roof Coating or Silver Paint
The question is which brand Silver Coating to use when it comes to protecting your roof against Ultraviolet. Silver coating is an asphalt base liquid that has aluminum flakes mixed ...
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  3. Flashing and Siding cause leaks
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Articles and Videos about:
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Skylight Repairs

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  2. Flat Roof Leaks caused by skylights
  3. What cause a skylight to leak
  4. Different Style Skylights for flat roofs
  5. Replacing ...
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Chimney Repairs on Flat Roofs

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  2. Repair and Maintenance of a Chimney
  3. Chimney Grout and Repointing
  4. Chimney Leaks - how to find and fix them
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Which Drain for a flat roof is best? watch Video

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Roof Drains

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Roof Drains Roof Drains are one of the most problematic areas on a roof. The positioning, design, and installation of a drainage system are one of the most important factors to ...
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Skylights, the problem of every flat roof. Repairing flashing

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Con Artist Roofing Contractor

Con Artist Roofing Contractor
Dear Mr. Williams After investigating the roof we found the following:
  1. A Modified Bitumen Torch Down Rubber membrane was used with no ultra violet protection
  2. No coating was applied for ...
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When not to repair a flat roof – Wilton, Weston and Ridgefield

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When not to Repair a Flat Roof - serving Wilton, Weston and Ridgefield We have been installing and repairing flat roofs in Connecticut for over 30 years. We claim that ...
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Rubber Roofs on flat roofs There are many types of roofing systems available. The most common rubber roof across the US today is EPDM. When EPDM came on the market in the ...
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The most common problems on Commercial Rubber Flat Roof are: We have been installing Commercial Rubber Flat Roof for over 25 years in Stamford, New Canaan, Greenwich, Westport
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Removal and installation of a Flat Roof that was very dangerous

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The most dangerous flat roof we did This widow's walk in Darien, Connecticut was not a typical challenge. A small and high flat roof. There was almost no place to put ...
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  3. Installing a second layer of shingle over a roof that is not suited for it.
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Roof Valley Flashing – Common problem that causes leaks. Darien

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We have been in the roofing business for 25 years. We may not know how to spell, but roofing we know best. Most roofers know how to install shingles, but ...
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How to repair / seal a leaky chimney-maintenance checklist-Brooklyn NY

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The first thing to deteriorate is the crown It is a good to have someone check the chimney every 5 years for defects. Use the following checklist for a chimney ...
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Copper Drain-Making a drain for a flat roof. Avoid Plastic drains

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It’s a challenge to install a cupola on a flat roof due to the flashing problem. See how we did it. What is the function of the Cupola? This particular ...
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Chimney Repair and Maintenance – list of what to look for – Video

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Rubber Membrane Roof Installation

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Roof Repair – What to look for before making a roof repair

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Making roof repairs can be easy. Identifying the problem is not so easy. Many times we see roof repairs done but the roof is still leaking. It is important to ...
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Installing a residential flat roof is more costly than that of commercial roofs per square foot due to the following reasons: Commercial Roofs have the advantages of putting more crews ...
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Scupper on Flat Roof Repairs – Effective Drain – Westport

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How to repair drains, flashing, chimney – 11 videos DIY

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Flat Roof Installation – Greenwich Wilton – Watch Video

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Watch Video on Rubber Roof Installation Over Tar and Gravel Roof

Rubber Roof Installation Over Tar And Gravel - Queens NY - Flat Roof Repair
Rubber Roof Installation over gravel Commercial rubber roof installation with a Modified Bitumen Torch Down Roofing system direct over a gravel embedded roof. A Two-Ply Modified Bitumen Torch Down Roofing system ...
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Scuppers – Flat Roof Repair

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Rubber Roof Installation – Torch Down Roofing Video

Flat Roof Repairs, skylights, drains, chimneys, flashing
Rubber Roof Installation - the best roofing system is a Two Ply Torch Down Rubber Roof Watch the video to see a rubber roof installation over a Tar and Gravel ...
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Metal Roof Gone Bad – Video – Pittsburgh – Silicone sealants are the worst

Metal Roof Repair - Pittsburgh PA
Metal Roof Gone Bad - impossible to make a Flat Roof Repair This "metal roof gone bad" was treated with a silicone sealant approximately three years ago. From the evidence, it ...
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Roof Repair flashing biggest causes of Roof leaks. Watch Video

/ / Chimney Repairs
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Incorrect Flashing causes the most Roof Repairs Roof repair and flashing are synonymous in the roofing industry. Flashing is the most important component of a flat roof. There is almost ...
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Flat Roof Pooling Water – Video on installing channel to remove standing water

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Metal Roof Repairs or Recovery – we specialize in fixing metal roofs

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Silver Coating or Aluminum Asphalt Paint Seal- watch video

Partially coated with ceramic and some with Aluminum asphalt coating
Silver Coating or Aluminum Asphalt Paint Sealant on Rubber Roofs Silver coating or Aluminum Asphalt paint is used to coat  Asphalt based roofs to protect against ultraviolet rays. These roofs are the old ...
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How to seal a chimney leak permanently?- Watch video

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Chimney Grouting or Re – Pointing

/ / Chimney Repairs
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EPDM Rubber Roofing Membrane – Ultraviolet Degradation – Watch Video

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Drains, Scuppers and Gutters – the pro’s and cons

/ / Roof Drains
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Rubber Roof membranes, EPDM Rubber, Torch Down- Watch videos

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TPO and PVC Roofing – Single Ply Commercial Roofing Systems

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EPDM Membrane Roof – Issues to avoid – Watch Video

/ / Roofing Repairs
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Torch Down Roofing for Commercial Rubber Roofs- Video

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/ / Roof Drains
Flat Roof Drains: Commercial Installation and Drainage - Watch Video
Commercial Flat Roof Drains: Installation Position is Critical Drains are an essential part of any commercial flat roof; however, it is critical to position them at the lowest point of ...
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Scuppers – A Flat Roof Drain System for Commercial Roofs – Watch video

/ / Roof Drains
Scuppers – A Flat Roof Drain System for Commercial Roofs  - Watch video
What is a Scupper? Scuppers are drain openings, placed through walls, that drain heavy water flow and debris away from commercial flat roofs. Installing a Scupper on an EPDM Flat Roof ...
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Gutters on Flat Roofs – Important Drainage Systems

/ / Roof Drains
Gutter for flat roofs
Flat Roof Debris and Gutter Drainage Flat roofs collect an abundance of debris that can't be removed daily. During rainstorms, this debris gets washed into the gutter trough and clogs ...
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Flat Roof Drains and Strainers on Commercial Roofs – Watch Video

/ / Roof Drains
Flat Roof Drains and Strainers on Commercial Roofs - Watch Video
Flat Roof Drains and Strainers on Commercial Roofs Flat roof drains and strainers are the most important components of any commercial flat roof. They are responsible for properly draining any and ...
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Brownstone Flat Roof Leaks – Watch Video

Brownstone Flat Roof leaks
Brownstone Flat Roofs  Brownstone flat roofs are separated by parapet walls and chimneys. These walls and chimneys are smeared with tar to protect against leaking. This tar will eventually dry ...
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EPDM Roofing Deteriorates from Harmful UV Rays – Watch Video

EPDM-Rubber-degradation-due-to-ultraviolet-light
EPDM Roofing Deterioration Stems from UV Exposure An EPDM roofing problem on a residence in Greenwich, Connecticut stemmed from the prolonged exposure to harmful ultraviolet rays. We found that the ...
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EPDM Rubber Roofs Issues – Fail Prematurely – Watch Video

EPDM Rubber Roofs
EPDM Rubber Roofs Issues - Fail Prematurely Before 2014, all EPDM Rubber Roofs Issues stems from the breakdown of liquid adhesives used to bond seams. This single-ply rubber roofing system is ...
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EPDM & Modified Bitumen Torch Down Rubber Roofs – Which is the Best?

EPDM and Modified Bitumen Rubber roofs
EPDM & Modified Bitumen Torch Down Rubber Roofs After 10 Years Below are images of EPDM rubber roofs and Modified Bitumen Torch Down Rubber roofs that are about ten years and ...
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Flat Roofs – Features of Roofing Systems – Watch Videos

EPDM and Modified Bitumen Rubber roofs
Single Ply and Two Ply Roofing Systems There are five types of single ply roofing systems commonly used on flat roofs. They are EPDM, TPO, Modified Bitumen Cold Apply, Modified Bitumen ...
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Chimney and Flat Roof Leaks – Brownstoners of Brooklyn and NY – Video

/ / Chimney Repairs
Chimney wrap in Brooklyn, NY
Chimney and Flat Roof Leaks  Most chimneys and parapet walls are covered with tar, as a repair, to prevent leaks. However, the tar dries, hardens, and cracks creating fine fissures ...
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Flat Roof Drains: Location, Installation & Maintenance – Watch Video

/ / Roof Drains
Flat Roof Drains: Location, Installation & Maintenance - Watch Video
Flat Roof Drains: Location, Installation & Maintenance Flat roof drains require the proper location, installation, and maintenance because, as a system, it is fundamental to the preservation of a building's structure ...
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Air Conditioner Curb Installation- Flat Roof – Watch Video

/ / Roofing Repairs
Air Conditioner Curb
 Air Conditioner Curb Installation  The Bow Tie Royale 6 Cinema Theater contracted Commercial Roof USA to install an air conditioning unit on an EPDM flat roof at 542 Westport Ave., ...
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EPDM Roofing Systems – Advantages & Disadvantages

EPDM Rubber Roof Membrane Tear - Flat Roof Repair - Alabama
EPDM Roofing - Rubber Membrane EPDM rubber roofing materials come in different thicknesses. They are .045, .060, and .090 thousandths of an inch.  Most contractors use the industry standard thickness of ...
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TPO Roofing: Advantages and Disadvantages for Commercial Flat Roofs

TPO-Roof-Seams
TPO Roofing for Commercial Roofs  A Thermoplastic Polyolefin, or a TPO roofing system, installed on commercial flat roofs, consists of a laminated vinyl membrane which comes in 2 thickness options; ...
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Advantages of Two Ply Torch Down Rubber Roofing – Watch Video

Advantages of Two Ply Torch Down Roofing - Video
Advantages Two Ply Torch Rubber Roofing - watch video The video below describes Advantages Two Ply Torch Rubber Roofing - Watch Video. It is the best roofing material and method ...
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Flat Roof Drain Strainers – Watch Video

/ / Roof Drains
flat roof drain system
Flat Roof Drain Strainers are Important  If appropriately designed, a strainer is supposed to keep larger objects from going down a drain, while allowing smaller debris through with the water flow ...
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Rubber Roofing – Commercial Flat Roofs – Videos

Rubber Roofing - Commercial Flat Roofs
This Video demonstrates how we installed a Two Ply Torch Down Rubber membrane over a tar and gravel roof. Our Two Ply Rubber Roofing System We specialize in the installation ...
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Clean Cut Roofing Longview – Flat Roof Repairs

/ / Roofing Repairs
Cleancut-roofing-sales-truck
"The Texas Roofers" are known for their quality roofing. All types of Roof Installations and Repairs We are the Roofing Contractor that serve Longview and surrounding towns. We are the ...
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Naas Ferreira – Roofing Consultant

/ / Roofing Repairs
Naas Ferreira - DIY Fix a Roof support guide
Naas Ferreira - Roofing Contractor and Consultant I started his roofing business in 1997. Then, the roofing industry was seeing its last bit of the Hot Tar Roofs. I was introduced to ...
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Commercial Flat Roof Installation

Commercial Flat-Roof-Installation
Flat Roof Installation We specialize in the Installation of a Two-Ply Rubber Roofing System. This system comprises of 2 layers of Modified Bitumen Torch Down Rubber Membranes that are fused ...
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Flat Roof Repairs – Norwalk CT

/ / Roofing Repairs
Repairing-a-Modified-Bitumen-Roof
Flat Roof Repairs Flat roof repairs are relatively easy to make, but finding the cause of the problem is harder. There are many types of materials used on flat roofs, ...
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Leak Repairs on Flat Roofs

/ / Roofing Repairs
Flat Roof repairs
Leak Repairs on Flat Roofs We have been repairing flat roofs for the last 30 years Flat Roof Leak Repair Specialists We are the flat roof leak repairs specialists. We ...
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Skylight Leak Repair Flat Roofs

/ / Skylight Repair
Skylight-Leak-Repair
Skylight Leak Repair Specialist We have been repairing leaky skylights over 30 years Leaky Skylights There are many brands, sizes, and shapes of skylights. There are many reasons for a skylight ...
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Flat Roof in Los Angeles – New Construction

Flat Roof in Los Angeles – New Construction
This is by far the best Flat Roof Installation. My (new construction) flat roof has the following characteristics: Flat Roof installation by owner in Los Angeles spec sheet
  1. Located ...
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Best Flat Roof Drain System

/ / Roof Drains
Best Flat Roof Drain System
A Flat Roof Drain - 15 years of performance A pleasant surprise about a flat roof drain on a commercial roof we installed more than 15 decades ago. After so many years I ...
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Skylights on flat roofs. Explaining why skylights leak. Pittsburgh Stamford

/ / Skylight Repair
Glass glazed skylight - Skylight Flashing on a Flat Roof - Roofing Repairs - North Carolina
Skylights on flat roofs. Explaining why skylights leak. Pittsburgh Stamford Why are skylights leaking? It’s common to find skylights on a roof. They are more likely to be the cause of ...
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Scuppers and Drains on Flat Roofs-Wilton, Darien to Greenwich

/ / Roof Drains
Scupper on an EPDM Rubber Roof - Flat Roof Repair - New Hampshire
Scuppers on flat roofs are best if correctly placed Scuppers are drain outlets on the edge of a roof. Our service is from Westport, Darien, Stamford, Greenwich, New Canaan, Ridgefield, Wilton, ...
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Gutter Repairs/ leaks on flat roofs? Stamford Westport CT

/ / Roof Drains
Gutter Iced Up during winter - Connecticut - Flat Roof Repair
Gutters constantly have to be cleaned out and re-adjusted Gutters repair is the often overlooked Whether residential or commercial roofs, whether slanted or pitched roofs, they all need gutter repairs ...
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Flat Roofs Drains, Scuppers, Gutters. Which is the best design? – video

/ / Roof Drains
Flat Roof drain
Flat Roofs Drains (for scuppers or gutters click here) Placing or positioning flat roofs drains is essential.  These drains connect to pipes below the ceiling that will remove the water ...
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Flat Roof Leaks caused by Skylights-Chimneys-flashing-video

/ / Skylight Repair
Atrium-Style-Skylight
Flat roof leaks are mostly caused by faulty skylight and chimney flashing There are many areas on a roof that can lead to a leak. So often the roof itself ...
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Flat Roof Repairs Westport to Greenwich, New Canaan to Redding.

/ / Roofing Repairs
Flat Roof Repair Logo - Tar bucket
Flat Roof Repairs We Repair all types of flat roof membranes and will help you save money and a lot of aggravation. For the last 20 years, we have been ...
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Rubber Membrane Flat Roof-Three Rubber Roofing Materials-Videos

Rubber Membrane Roof Flat - video
Rubber Membrane Flat Roof - Three types of roofing systems commonly used on flat roofs - flat roof materials explained Rubber membranes flat roofs are part of most flat roofs. The materials on ...
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Flat Roof – Flashing and siding causes the most problems.

/ / Roofing Repairs
Flat Roof Repairs - Door sill and flashing
Flat Roof – Flashing and siding cause the most problems Click here to find out How to find leaks and make Flat Roof Repairs This article will help you to see ...
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Rubber Membrane Installation – Watch Video

Rubber Membrane Installation - Watch Video
Installing a new Rubber Membrane on a Residential Roof When a rubber membrane has been installed incorrectly on a residential roof, It often happens that the owner of a house ...
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Roof Does Not Collapse After Five Thousand Pounds of Weight

/ / Roofing Repairs
Flat roof in Westport took five thousand pounds of roofing material without collapsing. Five-Thousand-Pound on Flat roof - Kentucky
It is strange how many people will shovel their roofs during a snow season because they  are worried that the roof may collapse. I took this video where we placed ...
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Flat Roof Installation -Torch Down Rubber Roof Membrane

Flat Roof Installation
Flat roof Installation over a garage roof. Whether it be a residential or commercial building, the materials we use are the same. The big problem with residential roofs is the ...
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4 Comments

  1. The extreme heat on a flat roof, over 160 degrees F, breaks down the bondingproperties and compromises the roof. Liquid EPDM rubberis not damaged by Ultraviolets, water heat or other problems over time.

    • Hi Nicole – Thanks for the correction

      You are correct, that the “extreme heat” is what breaks down the bonding properties. But, the ultraviolets also cause the EPDM Rubber to lose its elasticity. I have videos on my site where you will notice how the material shrunk and was putting stress on the seams and the wall transition.

      Thank you for correcting me. The Ultraviolet was not the cause of the Adhesive failure but rather the heat. Good catch.

  2. Why do most roofing contractors choose to install EPDM Rubber than the TPO or Torch Down?

    • Hi Johny
      EPDM Rubber Roofs have become the norm for most roofing contractors. There are several reasons that this can be attributed too:
      1. It is a very thin material and therefore the rolls can be as wide as twenty feet. Installing materials from eight feet to 20 feet wide makes for fewer seams.
      2. EPDM requires minimum tools. Because of a glue down process, all you need is a utility knife, paint brush, rollers, and scissors to be able to install EPDM Rubber on a prepared surface.
      3. Requires little skill – you can train someone in a few hours to be able to install this type of rubber membrane.
      4. EPDM Rubber is quicker to install and is less labor intensive, that alone is a huge saving to the roofing contractor.
      5. A crew of two people can do an entire roof.

      There are several reasons why roofing contractors don’t install TPO or Torch Down Rubber membranes.

      1. It takes an experienced person to be able to handle a torch or heat welder for TPO. There are not many around.
      2. It takes longer to install these membranes.
      3. The equipment is more expensive. In the case of a TPO Membrane, the equipment and tools will run over $12,000 before you can start installing it.
      4. Torch Down comes in three foot wide rolls, and therefore there are more seams on the roof. The reason why it is only three foot wide is that the membrane is four times thicker than that of TPO or EPDM.
      5. To keep an experienced crew around that installs TPO or Torch Down, becomes expensive.

      I hope these points cleared up the questions you had.

Submit a Comment

4 Comments

  1. The extreme heat on a flat roof, over 160 degrees F, breaks down the bondingproperties and compromises the roof. Liquid EPDM rubberis not damaged by Ultraviolets, water heat or other problems over time.

    • Hi Nicole – Thanks for the correction

      You are correct, that the “extreme heat” is what breaks down the bonding properties. But, the ultraviolets also cause the EPDM Rubber to lose its elasticity. I have videos on my site where you will notice how the material shrunk and was putting stress on the seams and the wall transition.

      Thank you for correcting me. The Ultraviolet was not the cause of the Adhesive failure but rather the heat. Good catch.

  2. Why do most roofing contractors choose to install EPDM Rubber than the TPO or Torch Down?

    • Hi Johny
      EPDM Rubber Roofs have become the norm for most roofing contractors. There are several reasons that this can be attributed too:
      1. It is a very thin material and therefore the rolls can be as wide as twenty feet. Installing materials from eight feet to 20 feet wide makes for fewer seams.
      2. EPDM requires minimum tools. Because of a glue down process, all you need is a utility knife, paint brush, rollers, and scissors to be able to install EPDM Rubber on a prepared surface.
      3. Requires little skill – you can train someone in a few hours to be able to install this type of rubber membrane.
      4. EPDM Rubber is quicker to install and is less labor intensive, that alone is a huge saving to the roofing contractor.
      5. A crew of two people can do an entire roof.

      There are several reasons why roofing contractors don’t install TPO or Torch Down Rubber membranes.

      1. It takes an experienced person to be able to handle a torch or heat welder for TPO. There are not many around.
      2. It takes longer to install these membranes.
      3. The equipment is more expensive. In the case of a TPO Membrane, the equipment and tools will run over $12,000 before you can start installing it.
      4. Torch Down comes in three foot wide rolls, and therefore there are more seams on the roof. The reason why it is only three foot wide is that the membrane is four times thicker than that of TPO or EPDM.
      5. To keep an experienced crew around that installs TPO or Torch Down, becomes expensive.

      I hope these points cleared up the questions you had.

Submit a Comment