The adhesive is solvent based and must be allowed to gas off and become touch dry prior to bonding the membrane into position.
Liquid roof bubbles.
The most common cause of bubbles is the application of rubber to the deck or insulation board too soon before the adhesive is dry enough.
You probably won t need any patch material.
1 answer 242 views.
A few bubbles near the edges or where there is caulking is pretty normal but it should take years for any of them to get larger if at all and the footprints would be completely unacceptable to me.
Liquid rubber will withstand ponding water or immersion indefinitely and liquid rubber can be installed over lightly rusted surfaces without a primer.
What is the cause of bubbles shortly after appling epdm on motor home roof.
Most are about 1 inch wide and several inches in length.
Asked may 16 2016 in liquid roof by anonymous.
Just slit the bubble and glue it down.
Contact bonding adhesive is used for bonding the rubber membrane on upstands and around the perimeter of the roof deck.
Liquid rubber is ideal for recoating epdm roof membranes troweled concrete weathered metal roofing foam weathered siding and more.
Roof bubbles present one month after application.
I still have bubbles throughout the roof.
Will they go away.
What is the name of the colorant you add in epdm roof.
The most common cause of roof bubbling is poor installation of the roof.
It looks like the original roof bubbled after the liquid roof was applied.
This area can fill up with air or water to form a blister which looks like a bubble on your roof.
I applied the liquid roof to my heartland trailrunner one month ago.
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 is necessary unless it pops.
Vapour from contact bonding adhesive.
In some cases a contributing factor can be high pressure in the roof system.
A roofer joseph bublick responds.
Asked oct 31 2015 in liquid roof by valerie smith.
A roof blister is a raised area where there is a loss of adhesion of the roof.
Liquid rubber provides a seamless single coat roof coating that can be applied up to 6 times thicker than your standard elastomeric.
If the rubber is bonded prior to the adhesive drying then bubbles will appear under the membrane caused by the trapped vapour from the adhesive.
The rv manufacturer simply didn t apply the adhesive evenly or left some dirt on the roof that the adhesive couldn t stick to.
In most cases bubbles in epdm roofing are just a cosmetic problem as long as they aren t growing.
If there is water trapped within the roofing structure or the timber isn t completely dry when the membrane is applied this can also cause bubbles and blistering to form.
Bubbles in liquid roof.
Usually bubbles are not associated with leaks.
Tough to do much now.
Will they go away.
I suggest that you call the manufacturer of the membrane and talk to them about it if you can do so.
