I need to insulate some gaps in my metal building, the inside of the building is white. I would like to find a spray type foam to match the color (without painting). I remember using Great Stuff can spray but it was a dull tan color. I also need sugguestions for insulating the 5 foot gaps between the steel wall studs.
It all is. You have to paint
Sheets of foam. Either the white bead board (expandable polystyrene) or the extruded foams like Dow's Styrofoam. The materials are treated to be flame retardant, but code requires it to be covered with something like sheetrock.
One thing that won't matter here because it's inside a building, but I've found that the spray foam turns a dark orange-brown after a few weeks out in the sun. I also found that carpenter bees seem to love the stuff.
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