Yes, two different single-ply roofing membrane types can sometimes be tied together, but they should not be directly heat-welded or bonded together unless the manufacturers specifically approve that connection. A…
- August 14, 2026
What are peel and shear seam tests and when are they performed?
Peel and shear seam tests are quality-control tests used to evaluate the strength and integrity of seams in commercial roofing membranes. These tests are especially important for mechanically fastened, adhered,…
- August 14, 2026
What is a seam probe test and how often should seams be probed?
A seam probe test is a simple but important inspection method used to check the integrity of seams in commercial roofing membranes. It is commonly performed on single-ply roofing systems…
- August 14, 2026
How does heat-weld quality vary with temperature and humidity?
Heat-weld quality is a critical factor in commercial roofing systems that use thermoplastic membranes such as TPO and PVC. A properly heat-welded seam creates a continuous, watertight bond between membrane…
Coastal commercial roofs face a much harsher environment than roofs located inland. Salt-laden air, humidity, wind-driven rain, and frequent wetting and drying can accelerate corrosion of metal components, particularly at…
When selecting a commercial roofing system, the building’s surrounding environment matters just as much as its size, use, and budget. A commercial property located near a marina, waterfront, manufacturing facility,…
- August 14, 2026
What causes premature weathering of TPO membranes?
Thermoplastic polyolefin (TPO) roofing membranes are widely used on commercial buildings because they provide strong resistance to ultraviolet (UV) radiation, weather exposure, moisture, and temperature changes. However, even a properly…
Commercial buildings with swimming pools, spas, aquatic centers, and natatoriums create a roofing environment that can be significantly more demanding than a typical office or retail building. Pool chemicals can…
- August 14, 2026
What is scrim reinforcement and why does it matter?
Scrim reinforcement is a woven or knitted fabric layer embedded within a roofing membrane or coating system to improve its strength, stability, and resistance to movement. In commercial roofing, scrim…
When choosing a commercial roofing system, the membrane is one of the most important components to consider. Two common options are reinforced and non-reinforced roofing membranes. Both can provide reliable…