Epdm Rubber Roofing Coventry | Certified Rubber Roofing Installers
Certified Installer Rubber 4 Roofs. Rubber Roofing Training Service And Rubber Roofing Supplies
Epdm Roofing Coventry | Rubber Roofing Coventry | Rubber Flat Roofs Coventry | Coventry Rubber Roofs | Rubber Roofing Repairs Coventry
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EPDM Rubber Roofing Specialists
EPDM sheet rubber is supplied in 45m lengths on a roll. We are trained installers of this superb product that has been used throughout the USA and Canada for the past 40 years.
The life expectancy of EPDM rubber is 40+ years and it comes with a 20 year manufacturer’s guarantee.
When installed by us we can offer a full insurance backed guarantee on the labour and materials.
EPDM rubber roofing dramatically lowers the carbon footprint of a structure in a number of ways. The lifespan of a rubber roof is up to 5 times that of a felt roof and 2-3 times longer than asphalt roof. EPDM is installed in an exceptionally more eco-friendly way, without the lengthy and dangerous use of heat and flames. Combined with these properties are the facts that EPDM rubber sheet roofing provides excellent thermal properties and is an outstanding sealant against water penetration. It’s no wonder EPDM rubber is also used extensively in many other industries.
Rubber Flat Roofing
Ethylene Propylene Diane Monomer is a synthetic rubber most commonly used in single-ply roofing because it is readily available and relatively simple to apply. EPDM as a roofing membrane has advanced significantly over recent years. Problems previously associated with it included moisture gain under the membrane by vapour drive (occurring on roofs with air conditioned space beneath), and that EPDM did not like to adhere to itself and seam problems occurred. Simply adding a vapour barrier, such as a DPM will resolve vapour drive.
Seaming has become simple with the addition of Factory Applied Tape, resulting in fast installation & perfect joins every time. The addition of these tapes has reduced labour by as much as 75%. Rolls of EPDM are available with Factory Applied Tape pre-applied to one edge. This is an uncured EPDM tape. The other edge is marked to indicate the appropriate overlap. The Factory Applied Tape is laid into the primed overlap and rolled with a little pressure. The resulting seam is stronger, neater and highly unlikely to fail. Any details are taken care of with the appropriate tape. The process involves applying primer with a brush, allowing it to flash off to touch dry (this takes moments), then applying the tape and rolling to ensure it’s watertight. It’s a low cost membrane, but when properly applied in appropriate places, its current expected life-span has reached 50 years and this continues to rise with every year that passes. Typically, there are three installation methods. Ballasted at 1,000 lbs/sq or 10 lbs/sq.ft. With large round stones. Mechanically attached is another method and is suitable in some applications where wind velocities are not usually high. Fully adhered is the most expensive installation method but proves to give the longest performance of the three methods.
The new generation of EPDM, Fleece Back, has been combined with a polyester fleece backing and fabricated with a patented hot melt adhesive technology which provides consistent bond strength between the fleece backing and the membrane. This has resulted in largely eliminating shrinkage of the product, whilst still allowing it to stretch up to 300% and move with the building through the seasons. The fleece improves puncture and tear resistance considerably and .045 mil EPDM with a fleece backing is 180% stronger than .060 mil bare EPDM.
The EPDM Roofing Association (ERA) announced that new data regarding the life cycle impact of EPDM demonstrates it produces a significantly lower environmental impact than previously recorded in public databases. The data also indicates that both black and white EPDM perform better than many other single-ply and bitumen-based membrane materials in key categories such as global warming, acidification and smog generation. The data was reviewed by the ATHENA® Institute, an international non-profit organization that evaluates the environmental impacts of new and existing buildings through life cycle assessment (LCA). The new EPDM data is now available on the ATHENA Impact Estimator for Buildings 4 building software.
The study, conducted by the Green Team Inc. of Tulsa, Okla. and reviewed and analyzed by TEGNOS Research, found that the global warming potential (GWP) of a black EPDM or white TPO roofing membrane was approximately half that of a white PVC or un-surfaced SBS membrane.
The findings also suggest that roof system service life may be a critical factor in determining a material’s overall environmental impact. As an example, the non-EPDM systems studied would require up to 54 years to produce an equal annual distribution of the initial embodied GWP impact that EPDM systems achieve in only 15 to 20 years.
“The data in this study corrects previous misconceptions about the life cycle assessment of EPDM,” said Mike DuCharme, director of product marketing, Carlisle SynTec, and chairman of the board for the EPDM Roofing Association. “It also produces new evidence that the long service life and durable performance of EPDM provides environmental as well as economic benefits.”
The study provides an overview of LCA as applied to low-slope roofing systems used widely throughout North America. LCA is a scientific approach to evaluating the environmental impact of a product or system throughout its life cycle. The objective of the study was to establish up-to-date life cycle data based on a critical review of previous LCA studies and new life cycle inventory data acquired from industry and public sources. The study examined roofing systems employing a variety of roofing membranes, including EPDM, TPO, PVC and SBS modified bitumen, installed via a number of common roof system attachment methods, including ballast, fully adhered and mechanically attached.
“This study not only corrects what appeared to be inaccurate data on the life cycle performance of EPDM, it provides a thorough comparison of other leading roof systems,” said Bill Tippins, EPDM marketing manager for Firestone Building Products and a member of the ERA Technical Committee, “We believe these results confirm EPDM’s leadership in this category through detailed, third-party analysis.”
“It would be prudent for building design professionals to fully incorporate the data produced by this study into their research methods,” said TEGNOS Research founder Dr. Jim Hoff, a 25-year veteran and executive from the building materials industry. “Now available through the Athena Impact Estimator, it will also be important for other public sources of LCA information to consider this data and make any necessary updates to accurately reflect the environmental impact of EPDM,” noted Hoff, a consultant to public agencies, trade associations and private equity investors, including ERA.
The Green Team is a strategic environmental consulting firm specializing in building industry issues. Its founding principles are nationally and internationally recognized design professionals and are active in many building industry-related organizations and associations. Mr. David Reisdorf of the Green Team is a Life Cycle Assessment Certified Professional (LCACP) as recognized by the American Centre for Life Cycle Assessment.
The Athena Institute Impact Estimator is a whole building, environmental life cycle based decision support tool for use by building designers, product specifies and policy analysts at the conceptual design stage of a project. The Impact Estimator provides a cradle-to-grave Life Cycle Inventory profile for a whole building over its expected life, and is capable of simulating over 1,200 different assembly combinations for approximately 95% of the building stock in North America.
With nearly 50 years of success as a roof system of choice for low slope applications, EPDM is the leading roofing choice of architects, roof consultants and contractors for both new construction and replacement roofing projects. To date, more than 20 billion square feet of EPDM roof systems have been installed on more than 500,000 warranted rooftops
info from the EPDM Roofing association
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