If necessary fasten top felt to deck using approved mechanical fasteners.
Foam roof blister repair.
Blister buckles wrinkles and fishmouths shall be removed and or fastened.
Add simplex type nails or screws and plates in a 5 point pattern if in question.
Keep reading to understand how these.
A roof blister is a raised area where there is a loss of adhesion of the roof.
Roof recondition roof repair spray foam roof duration.
Foam roofs take a beating from our phoenix sun.
Roof coating blisters in areas of adequate drainage are usually coming from below.
If left untreated a blister can grow larger and allow more moisture to get in so that the problem gets worse until more extensive repairs and possible replacement.
The majority of blisters do not pose a threat to the integrity of the foam roofing system.
Use the screws and plates on occupied buildings.
If you have a foam roof on top of your business then you should know that this type of roof requires maintenance and the occasional repair like any other roofing material.
What to watch for roof coating blisters in ponding water areas are due to moisture permeation from above.
Sprayed in place foam roof patch roof repairs duration.
Verify existing roofing material is secured to the deck.
If you recoat your roof over exposed foam you risk trapping moisture into the foam which will cause gases to form and blisters will start to form and erupt ruining the whole roofing system.
If you notice bubbles on your flat roof then it is time for some serious maintenance to be performed.
Causes of blisters all conventional low slope roof systems experience blisters in some form.
The decision to repair unopened blisters has typically been left up to the judgment of the contractor.
If repairs are warranted it should be left to the roofing contractor to properly repair them.
With proper care and repair your foam roof can virtually last forever.
Part 5 blister repair considerations the desirability and or necessity to repair sprayed polyurethane foam blisters will largely depend on the type of blister.
Unnecessary repair attempts can result in leaks and premature roof problems.
This can cost you much more than simply hiring a licensed contractor to take care of the problems in the first place.
This article provides some guidance on whether or not to repair blistered areas on different types of conventional low slope membrane systems.
Tips on foam roof blister repair.
Moisture trapped in spray down foam due to deterioration or loss of protective coating.
This area can fill up with air or water to form a blister which looks like a bubble on your roof.
