Tpo Roof Condensation Problems

Apple technical specialist with professional roof consultants.

Tpo roof condensation problems.

First there is little air movement within the roof system to pump moisture laden air into the roof. Tpo roofing membranes have been noted to have an issue of accelerated weathering when subjected to high thermal or solar loading. It is made up of a single ply synthetic membrane used to cover flat and low slope roofs. Genflex installation instructions are unclear about the use of perimeter sheet.

Cool roof temperatures may increase the possibility of condensation if warm moist air from the interior comes into contact with the assembly. Of all the tpo roofing problems there are this is the one that is probably the most problematic. In the case of the timber trusses and purlins they will rot and eventually lose their stability. And second the roof deck and rigid insulation form a reasonable interior vapor barrier.

While this roofing system can be walked on and it is both flexible and lightweight the membrane itself can be easily punctured. This applies to both the timber and steel trusses. Half rolls are used for perimeter sheet. This problem has been specifically documented in the southern states that get a lot of heat and sun throughout the year.

The biggest problem with good quality tpo that. We will need 2 rolls of 10 100 of tpo and 3 full rolls of ib 6 90 and 2 half rolls of ib 3 90. Since the roof in question is 1575 s f. Although condensation in roofs may not seem like a serious problem it actually is.

Experienced professionals can check areas that are locations of common weaknesses in the roof assembly and identify problems early on before they cause damage to your roof and the structure of the building. And even shingles explains dale w. Single ply membranes like tpo pvc and epdm. Additionally the billowing effect of a mechanically attached roof can exacerbate the potential for condensation because more air is drawn into the roof system.

Structural damage and improper installation cause a lot of the tpo problems. Cool roofs can include asphalt built up membranes like fiberglass modified bitumen and torchdown. These roofs have few inter material condensation problems for two reasons. It is the leading cause of the deterioration of trusses.

A professional roofing contractor or roofing consultant should review your roof system on a regular basis. In cold climates that may lead to significant amounts of condensation in and around those penetrations.