I'm looking to adhere fabric to styrofoam and upholstery foam. Will this work? I used 3m 77 and it melted the foam then failed

I know it will work on Styrofoam but I have not tried it on upholstery foam. It will not melt Styrofoam and I have been using it on all sorts of Styrofoam panels.

What is the amount of coverage area for one 17.9 oz can?

On the can it says 100 square feet. There are two methods of using it. On just one surface, or on both surfaces for the best bond. If you do the recommended both surface method you would have to cut the area in half, so 50 sq/ft

Will this bond Owens Corning Foamular pink board rigid insulation to metal frame? Will not melt it?

I used the adhesive to bond owens corning pink polystyrene board to a corrugated steel deck. I applied the adhesive to both the board and the steel deck and then mated the two surfaces. In my case, the steel deck was the ceiling, so I supported the PS board against the steel deck with two wood T's to give the adhesive to come up to strength. worked fine.

can I use this to seal the area between a wall air conditioner and the sleeve it sits in?

No do not use this. This is an adhesive, won't seal gaps. Better using foam panels or something called "GREAT STUFF" which is a gap filler and also insulates.

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3M 78 Polystyrene Foam Insulation Spray Adhesive, Translucent 17.9 Oz. Aerosol Can

Product ID: 337554024

Details

Material
Foam
Item Form
Spray
Special Feature
translucent
Colour
Translucent
Item Package Quantity
1

🕒10-15 sec tack time - quick repositioning window

🧪translucent foam spray - precise, clean application

🧴17.9 oz aerosol can - generous volume

€ 101.97

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Description

🧴 Stick with the best: 3M 78, where precision meets power!

TRANSLUCENT FINISH - Clear adhesive ensures a clean look, perfect for visible craft or insulation projects.
RELIABLE STRONG BOND - Bonds XPS foam instantly with a durable hold—no more failed glue attempts.
GENEROUS SPRAY VOLUME - Large 17.9 oz can covers up to 60 sq ft double-sided, saving time and money.
ADJUSTABLE NOZZLE SETTINGS - Three spray patterns let you control coverage and minimize waste.
FAST TACK TIME WITH FLEXIBILITY - 10-15 seconds to reposition before permanent set—work confidently and efficiently.

3M 78 Polystyrene Foam Insulation Spray Adhesive is a translucent, aerosol foam adhesive designed for strong, instant bonding of polystyrene foam boards, especially XPS types. With a large 17.9 oz can and adjustable nozzle, it offers quick tack time and a clean finish, making it ideal for professional insulation and craft applications where reliability and precision matter.

Specifications

ASIN	B001EUOAGK
Brand	3M
Brand Name	3M
Colour	Translucent
Compatible Material	Foam
Container Type	Aerosol Can
Country of Publication	USA
Customer Reviews	4.7 out of 5 stars 263 Reviews
Global Trade Identification Number	00021200415937
Item Form	Foam,Spray
Item Package Quantity	1
Item Weight	1.15 Pounds
Manufacturer	3M
Manufacturer Part Number	62495149502
Material	Foam
Material Type	Foam
Model	78
Number of Pieces	1
Other Special Features of the Product	translucent
Special Feature	translucent
UPC	021200415937
Unit Count	508 Grams
Volume	24 Fluid Ounces

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