Tpo Roof Interior Condensation Problems

Moisture may also enter the roofing system via leakage through cuts punctures loose seams and many other discontinuities in the exterior waterproofing layer of the roof.

Tpo roof interior condensation problems.

You obviously should you the most insulated exhaust pipe that you can find. Cool roof temperatures may increase the possibility of condensation if warm moist air from the interior comes into contact with the assembly. Apple technical specialist with professional roof consultants. Single ply membranes like tpo pvc and epdm.

In the example shown above this would happen at 45 f and just inside the insulation layer. To recap the interior air has 40 of the total water vapor that it can support. As far as pellet stove. First there is little air movement within the roof system to pump moisture laden air into the roof.

Compositional problems tpo is mostly polypropylene and polyethylene but each manufacturer puts in different additives. It is the leading cause of the deterioration of trusses. This applies to both the timber and steel trusses. Cool roofs can include asphalt built up membranes like fiberglass modified bitumen and torchdown.

Obvious or unforeseen roof problems are always a pain and undoubtedly a significant expense. However tpo roofing is combustable it will burn by itself whereas pvc roof will not burn if you remove the source of fire. These roofs have few inter material condensation problems for two reasons. And even shingles explains dale w.

January 21 2020 at 3 53 pm does anyone know about ge silicone 3500 roofing system. 12 comments on problems with tpo roofing just the facts eric says. But as the air migrates up through the roof system it gets cooler until the point where it can no longer hold on to the water vapor and condensation occurs. I was going to do a tpo or pvc on an apt building but my roofer says he highly recommends this 100 silicone product over tpo or pvc.

The observation of liquid water within a roofing system does not necessarily indicate that vapor condensation has occurred. In the case of the timber trusses and purlins they will rot and eventually lose their stability. So maybe pvc is better for you. Roof condensation and roof leakage look the same.

This is not a self diagnostic guide but rather an informative list of some of the problems most often battled. And second the roof deck and rigid insulation form a reasonable interior vapor barrier. Triple wall should have no problem with tpo. Although condensation in roofs may not seem like a serious problem it actually is.

Buildings magazine examined which problems are most common and the conditions that can either cause or be the result of premature failure and reduced service life of low slope roof systems.