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Roofing-gravel-ballast, the gravel can be applied in far less time than using a specially designed screw and plate fastening pattern. the ballast is used to keep the roofing system cool and of out of the sun’s harmful rays, thus keeping energy costs down. the gravel top coat is also extremely resilient to heavy foot traffic and high-wind scenarios.. The removal of gravel ballast or stone roofing can be a time-consuming and tedious process without the right equipment. breault roofing has the trucks and vacuums needed to speed up this removal process in preparation for your roof replacement., ballast is commonly used with roofs made of tar-and-gravel roof alternatives, including ethylene propylene diene monomer (epdm), polyvinyl chloride (pvc) and thermoplastic polyolefin (tpo) single-ply flat roofs. single-ply roofing materials aren’t self-adhered, nor are they sealed together in any way..

A ballasted roof means that the roof membrane is not anchored or adhered in any way to the decking material. it is, however, ballasted, generally with gravel. when the concept first came to the u.s., plenty of roofers scratched their heads and wondered how the roof stayed on without being anchored, especially during high winds or storms., non-surfaced membrane with overburden . the paradiene protected membrane specification incorporates two plies of paradiene 20 fully adhered in pa-100 asphalt or paradiene 20 tg applied by torch to a poured-in-place structural concrete deck..

A tar & gravel roof guide for beginners (updated for 2020) a built-up tar and gravel roof has an average lifespan of 20 to 25 years, white ballast a1-grit ballast is a natural, smooth, water-worn and screened large gravel used for many applications. white ballast can range in size from 2 1/2 - 3/4 inches and can be made to meet various astm standards.. Built-up roofing training and education. take advantage of industry-leading training and education though care - the center for the advancement of roofing excellence., the experienced professionals at roberts roofing provide reliable solutions for commercial roof repairs, replacement, maintenance and restoration..

Description: complete removal of existing roofing - gravel ballast - rigid insulation - existing sheet metal work - new built-up bituminous roofing - bituminous base flashing - rigid insulation documents in this project. the full project report includes up to ...