Is Lack Of Ventilation A Tpo Roof Problem

During the summer one of the most common problems roofing contractors deal with isn t shingles siding or gutters.

Is lack of ventilation a tpo roof problem. In february the midwest roofing con tractors association s mrca s technical and research committee issued an advi sory bulletin that raised a possible correla tion between some reported problems with localized high heat deterioration of tpo. At 1 66 per square foot generic tpo is 13 more expensive than high quality brand name pvc so the price war is lost. Tpo also lost its competitive advantage by using peel stick flashing. Problems caused by inadequate roof ventilation can also result in uncomfortable and unhealthy living conditions.

Now tpo is more like epdm rubber with heat welded field seams. More issues are caused by poor attic ventilation than all of these components combined. Problems are usually related to high relative humidity inside the building and the lack of proper ventilation insulation or vapor retarder says rodger russ north american sales manager of roofing at butler manufacturing. Dict tpo membranes abilities to withstand conditions in high heat regions of the u s.

It s no longer a truly heat welded system but is a hybrid of welded plus glued roof. With weather changes roof blisters may pop up on your commercial flat roof. Causes prevention and repair as weather changes from season to season it s important to keep up with your maintenance plan to keep your roof in working order. The name is a bit misleading because rather than being a plastic tpo is actually one of a few different types of rubber usually a blend of polypropylene and ethylene propylene rubber.

Specific levels of maintenance are required to prevent voiding the warranty. But if the owner of the property is better educated the whole industry does better and less problems occur explains chris mooney gafmc care national training manager care wayne nj. Tpo roofing can save you a remarkable amount of money on your energy costs and make your home or office building cooler but when the heat gets too high it can cause serious problems. The problem in roofing is a lack of education on all levels.

Southern states that are generally warmer over the course of the year than northern states show this to be the case. Metal roofs on pre engineered buildings don t have a solid deck so their problems are more envelope related. In the warm months poor roof ventilation means there is no way for the heat that is created by the sun beating on the roof and the heat that rises from the rest of the house to escape. If temperatures are pushed to a tremendously.