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 Tite Foam Big Gaps Spray Foam Sealant, 12 fl oz Can, 1 Pack - Polyurethane Expanding Insulation

Loctite Tite Foam Big Gaps Spray Foam Sealant, 12 fl oz Can, 1 Pack - Polyurethane Expanding Insulation

Product ID: 160614683

Details

Brand
Loctite
Item Weight
16 ounces
Item dimensions L x W x H
2.56 x 2.56 x
Material
Plastic
Style
Foam sealant

🌞UV resistant for outdoor use

↔️Expands up to 3 inches

🛡️High density & durable foam

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Description

🛠️ Seal Smart, Live Comfortable — Don’t Let Gaps Ghost Your Space!

BUILT TO LAST - High-density foam with uniform cells ensures superior insulation and long-term durability.
WEATHER WARRIOR - UV resistant formula keeps your seal intact and looking fresh, indoors or out.
UNIVERSAL BONDING - Strong adhesion to wood, concrete, metal, brick, PVC, and more for versatile applications.
GAP FILLING POWERHOUSE - Expands precisely to seal gaps up to 3 inches, eliminating drafts and pests.
FLEXIBLE SEAL NO CRACKS - Adapts to building movement without losing its airtight, moisture-proof hold.

Loctite Tite Foam Big Gaps is a premium polyurethane spray foam sealant designed to fill, seal, 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, weather-resistant protection against air, moisture, and pests. Ideal for both interior and exterior use, it’s sandable, paintable, and UV resistant, making it the go-to solution for professional-grade insulation and sealing.

Specifications

ASIN	B07Q3WPB6B
Best Sellers Rank	#4,684 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #67 in Hardware Adhesives & Sealers
Brand	Loctite
Brand Name	Loctite
Color	White
Compatible Material	Brick, Concrete, Metal, Polyvinyl Chloride, Stone, Wood
Customer Reviews	4.4 out of 5 stars 11,372 Reviews
Global Trade Identification Number	00079340652385
Included Components	Loctite TITE FOAM Insulating Foam Sealant, Big Gaps, 12-Ounce Can
Item Dimensions	2.56 x 2.56 x 7.87 inches
Item Form	Spray
Item Type Name	Foam Sealant, Big Gaps
Item Weight	1 Pounds
Item dimensions L x W x H	2.56 x 2.56 x 7.87 inches
Manufacturer	HENKEL ADHESIVES
Material	Plastic
Material Type	Plastic
Model	2975888
Number of Items	1
Part Number	2975888
Style	Foam sealant
Style Name	Foam sealant
Surface Recommendation	Floor
UPC	079340652385
Unit Count	1.0 Count
Warranty Description	Warranty
Water Resistance Level	Water Resistant

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VT4981

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