Are there different types of EPDM?

The three types of EPDM installation are ballasted, fully adhered and mechanically attached.
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Is all EPDM the same?

EPDM can be used in a variety of different ways, as we'll see shortly, but it's really come into its own in the flat and low-pitched roofing sector due to its strength and resistance to weathering, as well as the fact that EPDM sheeting allows for a consistent application and thickness across the entire roof area.
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What are the two types of EPDM?

White EPDM Roofing vs Black EPDM Roofing

EPDM membranes are available in black and white. The color is determined by compounding different ingredients used to enhance UV resistance. To make a black EPDM membrane, carbon black is added which converts UV rays into heat.
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What thickness of EPDM is best?

An EPDM roof with a thickness of 45 Mils should last around twelve years. If your roof is 90 Mils thick, it might last more than twenty-five years. However, continued exposure to hot humid weather or sub-zero freezing temperatures may negatively impact the life of your roof.
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Which EPDM is best?

Our Roofing Solutions
  • The One-Piece ClassicBond system is our most popular EPDM and is ideal for small to medium sized flat roofs up to 100m2. ...
  • The Resitrix Self Adhesive EPDM system is perfect for larger commercial flat roofs & gutter lining.
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EPDM vs TPO Flat Roof - What's The Difference?



Does EPDM have to be glued down?

When you are fitting an EPDM roof, you need to make sure that it is glued down properly. During the membrane application process, you will need to apply two different types of adhesive. The first is a water-based adhesive. Use Permaroof deck adhesive for the best results.
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What type of roofing is best for a flat roof?

The 4 Best Materials for a Flat Roof (& How Much They Cost)
  1. EPDM membrane roofing. EPDM (ethylene propylene diene terpolymer) is a synthetic rubber black membrane commonly used in commercial and medical facilities. ...
  2. TPO membrane roofing. ...
  3. PVC membrane roofing. ...
  4. Standing seam metal roof.
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Can you double layer EPDM?

For flat roofs, materials such as EPDM and TPO are usually approved for use up to two layers.
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What do you put under EPDM?

EPDM should be bonded over 5/8" plywood, 5/8" OSB board, or polyisocyanurate board with a fiberglass backing.
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How long does 60 EPDM last?

EPDM roof membranes remain stable over time and can have a life expectancy of over 50 years.
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What is the difference between reinforced and non reinforced EPDM?

EPDM is available in both black and white and is sold in a variety of widths and thicknesses. Non-reinforced EPDM membranes do not have a reinforcement scrim and are designed for use in adhered assemblies.
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What is better EPDM or TPO?

TPO has better dimensional stability than EPDM. EPDM is more likely to shrink which can cause a variety of problems on your roof.
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What is difference between EPDM and nitrile rubber?

EPDM rubber sheets are made with chemicals ethylene, propylene, and diene monomers that give ethylene propylene rubber its unique outdoor resistance and chemical resistance properties. Nitrile, contrastingly, is a synthetic rubber that is “derived from acrylonitrile (ACN) and butadiene” (Wikipedia.org).
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What is the difference between rubber and EPDM?

EPDM vs. SBR: Ethylene propylene rubber performs better than Styrene-Butadiene rubber (SBR) in nearly every way. EPDM has a lower compression set, a higher tensile strength, a better resistance to heat aging, and high weathering resistance.
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Will silicone stick to EPDM?

Not all Dicor caulk is designed for EPDM roofs. You have to read to label. Silicone will NOT adhere to rubber. You can peel it right off.
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Can EPDM be installed directly on plywood?

What Can EPDM Be Installed On? EPDM rubber roofing can be installed to a few different surfaces, but it works best when it adheres to timber deckings such as roofing grade plywood or OSB sterling board.
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What are common problems with EPDM roofs?

Common EPDM Roofing Problems
  • punctures in, or damage to, the membrane.
  • shrinkage.
  • incorrectly installed or improper flashing.
  • wrinkles extending into roof seams.
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What thickness EPDM for shed roof?

What Thickness of EPDM for a Shed Roof? An EPDM shed roof should be at least 1mm thick. Rubber roofing can come in thicknesses up to 2.5mm or more, but these are designed for industrial roofs that will experience considerable foot traffic.
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Can you stick EPDM to EPDM?

Overlap the two rubber membranes by 75mm (3inches)

Overlap the two rubber membrane sheets to be joined by 75mm (3inches). It is common on long runs to overlap the two sheets by more than 3" and then cut back the top sheet of rubber membrane once the splice tape has been stuck to the bottom sheet.
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Can you lay new rubber roof over old rubber roof?

Anyone with a rubber roof that needs replaced. The two requirements to install the new membrane directly over top of the old rubber is 1) that the existing insulation not be saturated with moisture and 2) that the deck is not rotten or rusted to the point that it cannot hold a screw.
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What is the longest lasting flat roof material?

EPDM, or Ethylene Propylene Diene Monomer, is known as the longest-lasting flat roof material. It's designed to withstand the most extreme weather conditions that a flat roof can face, and this durability can help it last at least 30 to 50 years.
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What flat roof lasts the longest?

If you are looking for flat roof materials with long lasting ability, EPDM is your answer. EPDM or Ethylene Propylene Diene Monomer, to give it its full name, is a flat roofing material designed to be able to stand up to the most extreme conditions that a flat roof will face.
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What is the most common flat roof material?

Of all these membrane types EPDM synthetic rubber is the most common single-ply membrane roof material in both residential and commercial use.
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