Will Spray Foam On Metal Sheeting Void Warrantee

Personally i am hard pressed to see how it is the application of closed cell spray foam insulation on the interior of the steel roofing would influence the life of coatings on the exterior.

Will spray foam on metal sheeting void warrantee.

I know proper venting is one possible solution but i am trying to keep the cost down. Test spray a section first to verify good adhesion. 1 will closed cell spray foam applied to the inside of steel roofing or siding panels cause panel deterioration and or void warranty of the panels. Metal roofing manufacturers typically extend a 25 year warranty.

Of course with this have come some concerns. Howdy and evening to you cathy cathy i know a lot of top builders across our grand country that use spray foam on the underside of the roof deck and they nor the owners of the homes have ever had a roof warranty void because of it being done. Gaf states that just because you added spray in foam insulation it does not automatically void the gaf warranty on the shingles. A hot roof is a roof that lacks ventilation because the roof sheathing is coated with spray foam insulation.

Gaf however does state very clearly that if the roofing system or shingles are damaged show damage due to overheating or they can pin it back to the fact that the shingle damage appears to be from overheating they will not cover this type of damage. The concern of manufacturer mbci is over who is going to verify that the foam will not cause corrosive damage over time to the roofing. Even the guys that do the tv show this old house have even used spray foam on the underside of the roof deck of homes they have worked on. Is there any way to spray with foam and not void the roof warranty.

Termite warranties on homes with spray foam are voided at a pest control company s discretion sometimes leaving homeowners they ve provided service to for ages without coverage. I recently posed a couple of questions to dr. Richard rick duncan p e. Technical director for the spray polyurethane foam alliance spfa.

Spray foam insulation for example often has a superior r value. Also check out that the foam does not void any warranty on the metal building. We remind people on the miracle truss website that the metal siding and roofing should be stored out of the weather because trapped moisture can cause the sheets to spot rust and that will void the warranty. Some companies such as butler do not warrant their metal if any fully adhered material coating of spray insulation is directly attached to their metal.

Of course everyone looks for an out when it comes to warranties and the reality is a good warranty protects the seller manufacturer far more than it. Doing this at a high setting can void the roof warranty because shingles are not designed to withstand the effects of close range pressure washing and the roofing granules can start to deteriorate or separate from asphalt shingles. Combining foam and metal roofing the challenge comes when you combine systems spraying foam onto the metal roofing itself.