Ib pvc roofing membranes have passed stringent fire testing standards at both ul and fm and are approved for use in low steep and unlimited slope.
Pvc membrane roof life years.
Aramid fiber is woven into the fastening side of all full rolls of pvc membrane.
Pvc vinyl membrane roofing costs the most of the three but provide the best energy efficiency because of its uv resistance and white color.
An epdm roof is designed to have a service life of 12 25 years when properly installed.
The membranes have evolved since then with the introduction of pvc membranes in the 1960 s the latest generation using longer lasting phathalate plasticisers and the introduction of tpo s in 1990s which do not contain plasticisers.
There are many reasons why building owners choose to trust a proven pvc roof membrane over a tpo membrane.
The average rubber membrane roof life expectancy if properly installed and maintained properly can reach up to 40 years.
This membrane product comes in different colors and thicknesses with different projected lifespans.
One of the most important reasons is that most if not all tpo manufacturers are on their third or fourth formulation of the membrane while pvc boasts 50 years of real world performance.
However epdm rubber roofs often begin to leak and even fail prematurely way before the projected end of their service life for reasons outlined in the second part of the comparison guide.
Meets the requirements of astm d 4434 type iii.
Ib pvc roofing membranes can be used in many ul class a roof assemblies.
These membranes show excellent resistance to spread of flame and self extinguish when the source of the flame is removed.
The american society of testing and materials astm requires a roofing membrane to have a minimum breaking strength of 200 pounds per inch.
It s commonly used for commercial roofs because it s low cost easy to apply and last 25 30 years or more.
Advanced solid phase polymer formulation.
Single ply membranes are often considered to be new technology when in fact the first single ply roofs were installed over 6o years ago.
Longevity of epdm vs pvc.
Pvc polyvinyl chloride single ply membranes have provided dependable protection and proven performance since the 1960s making them a popular and economical choice among roofing consultants and specifiers.
Pvc flat roof membranes last 20 years plus and are a solid choice.
Uses the optimal amount of dupont elvaloy kee ketone ethylene ester polymer to ensure plasticizer retention extend roof life and reduce maintenance costs.
Pvc s resistance to chemicals grease fire and punctures make it an ideal choice for a wide variety of buildings.
Cost per square meter epdm is cheap to manufacture because it uses recycled materials.
