Spray foam inside cab roof?

[Richard H.]

Well if it helps any for confidence ,I am shooting mine with body wax first and still looking for the foam ford uses to fill with. If nothing comes up I will use Great stuff.

[Beuford]

X2 with Red69. I would use minimal expanding foam because it may hump up your roof and there is no way of getting it out short of cutting the roof. I put a good headliner in my truck and it's quiet enough.

[tonypaul]

All very good points..... I just painted my cab on saturday, came out pretty good. My cab roof is black and being here in Texas (always hot) I doubt moisture would ever have time to develope inside the roof. Im mostly worried about expansion. I think I will do some research into various spray foams and give it a shot. I only wish I would have done this before paint most of those spray foams are really messy....

[ChevLoRay]

All those questions and all those comments still don't answer your question, do they? All points were valid and thought-provoking. As the owner of a truck that suffered because of the wrong RTV material, the idea that the foam might absorb moisture or react with the metal and cause rust to form, were not lost on me. Seeing the scalped cab makes me think that there's so little room that it almost wouldn't be worth the trouble. I can sympathize with the black and the heat, because that's what I'll have to live with when my truck is done.