Base attachments — the plates and fasteners that secure the membrane around roof penetrations — are required for both mechanically...
Low-Slope Roofing Mistake No. 9: Short Flashings
Low-Slope Roofing Mistake No. 8: Missing Cut Edge Sealant
Low-Slope Roofing Mistake No. 7: Missing T-Joint Patches
Low-Slope Roofing Mistake No. 6: Not Meeting Minimum Weld Width
Low-Slope Roofing Mistake No. 5: Angle-Change Voids
Low-Slope Roofing Mistake No. 4: Inadequate half-sheet fastening
Low-Slope Roofing Mistake No. 3: Welding start-and-stop voids
Low-Slope Roofing Mistake No. 2: Not cleaning the membrane
Low-Slope Roofing Mistake No. 1: Not Probing Your Work
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The industry standard specification for flashing height is 8 inches. It’s an important safeguard against water backing up on the...
Cutting the edges of a reinforced membrane, whether on the roof or in the factory, exposes the reinforcement scrim to...
One of the most notorious leak points on a roof is at the T-joint, where multiple layers of membrane come...
Is there anything more frustrating than being called back to a completed job because an inspector has found welds that...
Experienced thermoplastic membrane welders know how important it is to get angle changes right. If the flashing isn’t tight at...
When installing TPO or PVC, the corners and perimeters of a building require more fasteners than the field due to...
Robotic welders are a terrific way to ensure consistent, durable welds. But they do leave occasional unwelded voids where the...
When patching a single-ply membrane, whether it’s to reinforce or repair, step one should always be cleaning the surface. Patches...
When you’re working on a single-ply roof, do you probe your seams every day, or wait until the job is...
Recent Comments
[Post was edited to remove commercial names etc.] PVC is inherently rigid and must be blended with plasticizers to make it flexible. Yes, plasticizers give […]
I live in the Central Valley of California. I had a PVC roof installed on my flat roof home 6 years ago from !@#$%& (on […]