Membrane Epdm Or Pvc Roof

A pvc roof is a premium single ply roofing membrane with superior durability longevity and performance and therefore costs more than an epdm rubber roof.

Membrane epdm or pvc roof.

The cost may be higher or lower depending on the tear off and removal cost of the existing roof insulation layers and the number of penetrations on your flat roof. Standard specification for epdm sheet used in single ply roof membrane. Epdm stands for ethylene propylene diene monomer. It is a synthetic rubber derived from oil and natural gas ethylene propylene.

Four 4 methods to re cover a metal panel roof the many options for attaching a single ply system to a metal panel roof an example calculation for wind uplift design pressures and appropriate fastener patterns that provide the necessary resistance capacity industry. This is because the system only requires a single layer of membrane to keep the roof watertight. What type of roof system is pvc considered pvc is considered a single ply roofing system. In part 1 retrofit single ply roof systems.

Polyvinyl chloride pvc roofs are commonly used thermoplastic membranes that come in light gray and white colors. When the ethylene propylene is combined with diene an unsaturated hydrocarbon alkene containing two carbon to carbon double bonds the flexible epdm membrane is born. Advanced solid phase polymer formulation. The term pvc stands for polyvinyl chloride.

Videos have been put together for many of these details and can be found below. Meets the requirements of astm d 4434 type iii. An assessment of wind resistance we provided information about the following. 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.

A debate that comes up is whether to install a pvc roofor an epdm roof. Epdm membranes are covered under astm d4637. Pvc s resistance to chemicals grease fire and punctures make it an ideal choice for a wide variety of buildings. Expect to pay between 5 50 and 9 50 per square foot to install epdm membrane on a typical flat roof or about 8 250 to 14 250 for a 15 square 1 500 square feet low slope roof.

Installation is important when it comes to putting a single ply roofing system on a building. Both flat roof systems have been around for a similar amount of time and have unique attributes that are beneficial or detrimental based on how your building is used. Hot air welded seams make the membrane pliable and watertight under a variety of extreme weather conditions. Uses the optimal amount of dupont elvaloy kee ketone ethylene ester polymer to ensure plasticizer retention extend roof life and reduce maintenance costs.

Sheets are available in a range of thickness from 45 mils to 90 mils but 60 mils is common. Other systems such as an asphalt based built up roof system bur involve multiple layers of asphalt soaked felt to make up the system.