Tpo Roofing Wrinkles
Wrinkles within the membrane will eventually fatigue and crack.
Tpo roofing wrinkles. Wrinkling is not something anyone wants to see on their roof membranes given it can be a sign of undue stress and may lead to premature failures such as opening of laps abrasion of the raised surface and ponding of water. Because they are raised above the surface of the roof they are more prone to traffic damage scuffing and surfacing loss than the rest of the roof. Tpo has the reinforcment so no. Specifically 2 ply styrene butadiene styrene sbs modified bituminous roof membranes seem to be susceptible.
Also very hard to put wrinkles in anything reinforeced. If the laid tpo contains any wrinkles or is not straight you will need to adjust this by securing one end of the tpo and pulling tight on the other end to remove the wrinkles. I did not view the roof upon installation and was told that the wrinkles formed once the weather warmed up. 10 nov 2014 messages.
I live in the mid atlantic northern va. Now tpo is more like epdm rubber with heat welded field seams. Failure to cut the material into 12 to 18 foot lengths before installing it 3. Temperature was around 60 degrees.
When the contractors were done i climbed up and noticed a whole lot of wrinkles. Regular epdm that would have been a challage. Approximately 5 or 6 days after they installed it i noticed a large amount of bubbles. It s no longer a truly heat welded system but is a hybrid of welded plus glued roof.
I recently observed a roof on a project in which i am involved that has many 3 4 high wrinkles. Wrinkles in new tpo roof. I mean you almost have to try. Unusual contraction of the substrate wrinkles or buckles usually wear prematurely and are common failure points.
The day they came to install it started raining in the afternoon. Discussion in roofing and guttering started by gragus 10 nov 2014. Tpo wrinkles in a fully adhered will not work them selfs out. Tpo also lost its competitive advantage by using peel stick flashing.
They said they finished the install before it started raining. Epdm none reinforced yes. It is a flat roof above my sunroom. At 1 66 per square foot generic tpo is 13 more expensive than high quality brand name pvc so the price war is lost.
Depending on the ply in which the wrinkle occurred the fishmouth can be a tunnel for water to get down into the building. After the tpo has been set and is straight it will need to be secured down to the insulation boards and roof surface. Failure to allow the material to relax before installing it 2. Concerns during the 2009 international roofing expo gaf materials corp wayne n j conducted an educational session during which company representatives identified based on their research key performance indicators for tpo mem branes.
This roof is a mechanically fastened 60mil tpo roof and was installed sometime during the winter 2014 in the mountain west region. I recently had a new tpo roof installed. I had a contractor replace my old epdm roof with a gaf tpo roof. The research illustrated.