Thread: Spray Foam Question

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Does anybody know if Great Stuff Expanding Foam sticks well to expanded foam sheets? Just wondering. Thanks.

Originally Posted by nightrideproductions

Does anybody know if Great Stuff Expanding Foam sticks well to expanded foam sheets? Just wondering. Thanks.

Great Stuff sticks to alot of things skin the best Be careful

Great Stuff sticks to foam very well.

Man that stuff sticks to everything...except silicone. I am about to use a couple of cans myself here in just a minute.

Well, guess I just didn't have very good luck because I used it about 2 years ago and it DID NOT stick to the foam sheets.

I even peeled the plastic coating off and stuck toothpicks into the sheet so "achors" but it fell off within 3 days

I was planning on using Great Stuff as "mortar" between the "bricks" on a stone archway I'm building for my FCG's home....thinking it would have a more realistic look than merely routing out the mortar lines with a dremel.

I see two opinions here...one says Great Stuff sticks to the foam, the other says it doesn't. This doesn't make me real confident my strategy is a good one....

Is there a specific type of foam sheet that it works with?

Is there a specific way you have to prepare the foam that makes the Great Stuff not fall off/out?

Originally Posted by bayork

I was planning on using Great Stuff as "mortar" between the "bricks" on a stone archway I'm building for my FCG's home....thinking it would have a more realistic look than merely routing out the mortar lines with a dremel.

I see two opinions here...one says Great Stuff sticks to the foam, the other says it doesn't. This doesn't make me real confident my strategy is a good one....

Is there a specific type of foam sheet that it works with?

Is there a specific way you have to prepare the foam that makes the Great Stuff not fall off/out?

Great stuff will work just rough this edges some to it has a texture to hold to if the foam is slick or not ever porous it needs some thing to ahear to.