Vapour from contact bonding adhesive.
Rv roof bubbles after put on sealant.
Flex seal liquid flex seal spray and flex seal shot.
Use a roller to smooth the surface and remove any new air bubbles.
Liquid roof provides a protective barrier from the sun s uv rays and from rain and debris.
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.
This can easily be done with a utility knife.
Tom bubbles in epdm rubber membrane are typically caused by improper preparation during installation water intrusion or the use of incorrect adhesives.
Flex seal comes in three forms.
Weight the patch until it s dry.
With only one bubble on your roofing material i would suspect that spot was contaminated somehow or not prepped thoroughly enough prior to the installation of the membrane.
Pressure wash or scrub with a deck brush the entire roof surface using warm water and tide powdered laundry detergent.
One common type of rv roof coating called rv liquid roof and it can give your rv s roof a nice new shine as well as protecting it from the weather and elements.
Flex seal liquid and spray both come in black white and clear.
Flex shot comes in white and clear.
It s critical to thoroughly clean the area you re patching so the adhesive will bond with the roof.
Four types of flex seal and how to use them on an rv roof.
You ll want to cut the holes in an x shape so you can fold each flap down into the opening and screw it down.
After you ve cleaned it apply the primer let it dry and then use the adhesive sealant to attach the patch to the roof.
Caulking or sealants that are in good condition and adhering well can remain in place.
The same may be true for painting instead of painting it might be better to cover the sealant with eternabond or some other tape that can be painted.
The great thing is that you can use flex seal with many all rv roof materials.
Do not use liquid dish detergent solvents or rv roof cleaners.
Rv liquid roof is an epdm coating which you apply by painted onto the roof of your rv.
Contact bonding adhesive is used for bonding the rubber membrane on upstands and around the perimeter of the roof deck.
The adhesive is solvent based and must be allowed to gas off and become touch dry prior to bonding the membrane into position.
