According to their Technical Data Sheet, 1 can will extrude a 3/8” bead approximately 134.0 ft under ideal conditions. So the cubic volume is 0.375" x 0.375" x (134' x 12)" = 226.125 cubic inches. 1 cubic foot = 1728 cubic inches. Therefore it would take about 7.6 cans to produce a cubic foot.

Can i apply this on a hot surface like car exhaust? Doesn't it catch fire?

I've used RTV silicone for minor muffler holes, good to 650 F. But it is flexible and doesn't stick to anything so you need to get it globbed onto both sides so it holds. Unfortunately the portion of a muffler that usually fails is where the pipe comes in (due to welding). JB Weld might work better there.

If this is injected between sheetrock walls, will it reduce sound transfer?

If you want to insulate the walls between rooms, it would be better to remove the sheetrock and use a spray foam insulation product, rather than a spray foam sealant. Bats of heavy rock wool might also be good sound insulation. A spray foam product expands for a minute or two and you risk popping the nails/screws holding the sheetrock in place if there is not enough room for it to expand fully. Trying to deaden the sound without removing the sheetrock would require punching lots of holes in the walls and spraying the foam through the holes, and then patching all of the holes and repainting. This will deaden the sound between rooms, but it will require a lot of cans to do it.

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Loctite 2378565 Foam Sealant, 12-Ounce Can, White

Loctite 2378565 Foam Sealant, 12-Ounce Can, White

Product ID: 731878339

Details

Brand
Loctite
Item Weight
1 Pounds
Item dimensions L x W x H
6.5 x 6.5 x 20
Material
Plastic
Style
Foam Sealant

🌞UV resistant for long-lasting seal

🧱Fills gaps up to 3 inches

🛡️High density, durable foam

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934 kr

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Description

🛠️ Seal smart, save energy, and stay ahead of the draft game!

BUILT TO LAST - High-density foam ensures superior durability and consistent insulation performance.
WEATHER WARRIOR - UV resistant formula guarantees long-term protection against sun damage.
FLEXIBLE STRENGTH - Adapts to building movements without cracking or losing adhesion.
BIG GAP NO PROBLEM - Seamlessly fills and seals cracks up to 3 inches wide for ultimate insulation.
UNIVERSAL BONDING POWER - Strongly adheres to wood, concrete, metal, PVC, and more for versatile use.

Loctite 2378565 Foam Sealant is a professional-grade, polyurethane-based spray foam designed to fill and insulate large gaps up to 3 inches. Featuring high-density foam with superior flexibility and strong adhesion to multiple building materials, it provides durable, UV-resistant sealing for both indoor and outdoor applications. Ideal for eliminating drafts, moisture, and pests, this 12-ounce can delivers quick, mess-minimized application with lasting performance.

Specifications

ASIN	B07Q3WPB6B
Amazon Bestseller	#118,262 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #118 in Hardware Sealers
Brand Name	Loctite
Color	white
Compatible Material	Ceramic, Glass
Customer Reviews	4.2 4.2 out of 5 stars (10,906)
Global Trade Identification Number	00079340652385
Included Components	Loctite TITE Foam Insulation Foam Sealant, Large Gap, 12-Ounce Can
Item Dimensions	6.5 x 6.5 x 20 cm
Item Form	Spray
Item Type Name	Foam sealant, large gaps
Item Weight	1 Pounds
Manufacturer	HENKEL ADHESIVES
Material Type	Plastic
Model	2975888
Number of Items	1
Part Number	2975888
Style Name	Foam Sealant
Surface Recommendation	Floor
UPC	079340652385
Unit Count	1.0 Count
Water Resistance Level	Water Resistant

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934 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Denmark.

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TrustScore 4.5 | 7,300+ reviews

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