Seams are heat welded to avoid adhesive failures.
• White Surface reflects 85% of harmful U.V. rays to extend
the lifespan of white TPO.
• TPO is a fully adhered roof membrane secured by
screwing through the underlying wood decking, making it more secure
than modified roofing. Adhesive can be used to assist bonding, especially
TPO Surface bonding to the reinforced mesh has been a manufacturing
problem with many manufacturers. The most reliable product that
has proven stability is manufactured by Carlisle.
• TPO is vulnerable to impact from hail.
• Reinforcement in TPO is a lot less than in reinforced PVC
woven reinforced membrane.