If you’re a homeowner with a low-slope roof, you’re probably well aware that your options for roofing systems do not include the most common type of material: asphalt composition shingles. Instead, your roof needs a waterproofing membrane like the single-ply options — TPO, PVC, EPDM — and the multi-ply option: torchdown modified bitumen. These membranes are needed for low-slope residential roofs because asphalt shingles have overlapping seams that are not perfectly sealed, which exposes them to moisture seeping beneath them by entering upwards from their lower edge. Waterproof roofing membranes don’t have this issue because their seams are welded, forming them into one cohesive unit. Each of the different types of low-slope membranes serve different purposes for
Fully Adhered or Mechanically Fastened? Yet another roofing debate that we find ourselves coming across here at Chase Construction NW, Inc. is whether to install TPO using the mechanically attached (MA) or fully adhered (FA) method. While both are fully warrantied, and everyone has a preference, it is still a subject that comes up quite often. So which one is better? Let me give a brief overview of each method using the most basic assembly components (membrane & insulation). Keep in mind typical specified assemblies will often include other components such as a vapor barrier, substrate board (fire rating), and or a coverboard (traffic, hail, protection). Mechanically Attached (MA) Mechanically Fastened is the most common, and cheaper of
Screws Or Glue? What Is The Difference? If you are in the roofing industry it is more than likely you have installed a TPO flat roofing system before. However, the question that comes to mind when you are facing a flat roofing project requiring a TPO membrane is whether or not to go with fully adhered or mechanically attached! What is important is that you know the difference between the two to ensure you install the appropriate roofing system for the project to guarantee it withstands time and our environment. Mechanically Attached A mechanically-attached roofing system is a membrane roof that is attached to the substrate; i.e., wood, concrete, steel, etc., by mechanical means. This
TPO Roof in Seattle, WA Chase Construction NW, Inc had the opportunity to roof an Orthodontic’s office in the heart of Seattle, WA. Dr. Greg Vaughn approached us and was looking to replace his existing asphalt roof with a new GAF Everguard® TPO 60 Mil mechanically attached roofing membrane. We were able to provide him with a free quote and complete the job in a professional and timely fashion. He was kind enough to provide us with a written testimony about his experience with working with Chase Construction NW, Inc. Testimony “I just wanted to take the time to recognize Chase Construciton NW, Inc. for the outstanding and professional roof replacement work they performed on
GAF Interviews Weatherholt and Associates, Inc. Chase Construction NW, Inc. had the opportunity to capture GAF’s Washington and Alaska’s Territory Manager Shawn Notle discuss the importance of hiring a Master™ and Master Select™ contractor when installing a flat or low slope roofing system on residential or commercial roofing projects. Standing in the heart of downtown Seattle you can see that commercial flat roofs are nearly on every corner. Shawn had the opportunity to interview Weatherholt and Associates, Inc. Principle and Senior Field Engineer Rob Card who reiterates the importance of not only hiring contractors who are qualified at the highest level of certification, but finding a manufacturer who holds themselves to a high standard.
Single Ply Roofing For Seattle, Washington When it comes to roofing in Seattle we all want to know what is the best type of roofing for our home or business. Low slope roofing systems (a roof with less than 3” of rise per lineal ft) can get even more technical with commercial and architectural specifications required by the city building codes. Its important that you use the best material for your roof design. As a commercial roofing contractor in Seattle we have seen a huge spike in the popularity of single ply roofing systems. What is single ply roofing membrane Single ply flat roofing membranes are sheets of strong, flexible material made of synthetic polymer.