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Why Do Flat Commercial Roofs Leak More in The Winter?

Most flat commercial roofs, flat industrial roofs, flat institutional roofs, and flat apartment roofs that are in poor condition tend to leak more in the winter than in the warmer months. Since the heaviest rainfalls often occur during the warmer months of the year, it seems logical that older flat commercial roofs would also [...]

Why Do Flat Commercial Roofs Leak More in The Winter?2024-03-30T15:24:52+00:00


TPO (Thermoplastic Olefin), EPDM (Ethylene Propylene Diene Monomer), and PVC (Polyvinyl Chloride) are three common types of single-ply roofing membranes used in commercial and industrial applications. Each material has its own set of characteristics, advantages, and considerations. Here's a brief overview of each: TPO (Thermoplastic Olefin): Composition: TPO is a blend of polypropylene and [...]

About PVC, TPO, EPDM2024-03-30T14:55:05+00:00


Astec reinforced fluid-applied roofing system: Often the least expensive fully-warranted waterproofing system for metal roofs Astec® is the #1 purchaser of Dow® Chemical's highest-quality roofing polymer resin ISO 9001-2008 Registered Over 400 million SF installed world-wide Installed only by authorized contractors Manufacturer direct/no distributer markup Energy Star® rated Astec® Website -



GAF is the largest roofing manufacture in the US: Offers all major low-slope roofing technologies, including repair and maintenance products and roof restoration systems, as well as new roofing systems (BUR, MB, TPO, PVC, and composite systems). EverGuard Extreme® high-performance TPO is formulated for the most extreme applications (including solar), and was recognized with a [...]



Duro-Last is a custom pre-fabricated reinforced PVC single-ply system: 15 YR No Dollar Limit transferable labor & material warranty std. with no exclusion for ponding water or consequential damages 80-85% of seams are welded at the factory Self-extinguishing membrane w/time-tested formulation Single-source provider of all system components Year-round installation Manufacturer’s rep inspection before, during & [...]



RCI is an international association of professional consultants, architects, and engineers who specialize in the specification and design of roofing, waterproofing, and exterior wall systems.  Oak Ridge National Laboratory  conducts basic and applied research & development to create scientific knowledge and technological solutions that strengthen the nation's leadership in key areas of science; increase the [...]

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