How do you dry this product? It stays sticky.

product doesn't dry stays pliable. Taillight gaskets etc.

Can this strip-calk be used for sealing gaps in sheet metal duct work in home's heating and conditioning system?

It could be used, but the color is black. They make duct sealant that is applied with a caulk gun that is meant to seal sheet metal duct work and the color is grey.

How many strips in the package?

i am pretty sure there are 60...the package is about 12 inches wide and on the side it says the material is 20 yards (60 feet)

Has anyone used this to seal a 3rd brake light in the roof of a late model pickup truck like a 2015 Ram?

This would certainly do the job, BUT it stays sticky forever. It could make removing the light to replace a bulb down the road difficult. On my 2014 Ram, I used MD Weatherstripping 01033 from the local hardware store. It's 5/16" H x 19/32" W. I had to cut wedges from the inside corners to shape it around the light. I used Permatex UltraBlack RTV (the UltraBlack is more flexible when cured than the standard black RTV) at the end joint (centered on the bottom) that I let cure for 24 hours before installing, so it took longer, but so far so good.

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Strip Calk, 08578, 1 ft Strips, Black, Soft Butyl Rubber, Permanent Elasticity, Joint Filling, Trunk Seams, 60 Pack

Strip Calk, 08578, 1 ft Strips, Black, Soft Butyl Rubber, Permanent Elasticity, Joint Filling, Trunk Seams, 60 Pack

Product ID: 5288603

Details

Brand
3M
Specific Uses For Product
Flooring Tile
Material
rubber
Item Form
Strip
Special Feature
Non Slip

⚡Fast Application

🔥High Temp Resistance

🛠️Permanent Elasticity

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$98.21

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Details

Brand
3M
Specific Uses For Product
Flooring Tile
Material
rubber

Description

🔧 Seal it, don’t feel it! The ultimate solution for seamless joints.

PAINT READY - Get creative! Paintable immediately without the worry of hardening.
SEAL THE DEAL - Experience permanent pliability for all your sealing needs.
SOFT YET TOUGH - Engineered to resist shrinkage and brittleness, ensuring long-lasting seals.
INDUSTRIAL STRENGTH - Designed for high-temperature applications, perfect for demanding environments.
NO MESS APPLICATION - Easily thumbs into place and smooths out with just a finger.

The 3M Strip Calk 08578 is a versatile sealing solution made from soft butyl rubber, designed for permanent elasticity and high-temperature applications. Each pack contains 60 one-foot strips, ideal for filling joints, seams, and gaps in industrial settings. Its easy application and paintable surface make it a go-to choice for professionals looking to ensure durability and efficiency.

Specifications

ASIN	B000PEZ1L4
Best Sellers Rank	#10,931 in Automotive ( See Top 100 in Automotive ) #79 in Automotive Sealants #641 in Oils & Fluids
Brand	3M
Brand Name	3M
Color	Black Color
Customer Reviews	4.4 out of 5 stars 1,081 Reviews
Full Cure Time	24 Hours
Global Trade Identification Number	00051135085783
Included Components	Automotive Accessorie3M Strip Calk, 08578, 1 ft Strips, Black, Soft Butyl Rubbes
Item Form	Strip
Item Type Name	3M Strip Calk
Item Weight	1.4 Pounds
Liquid Volume	3 Milliliters
Manufacturer	3M
Material Type	Rubber
Model	8578
Number of Items	1
Part Number	08578
Surface Recommendation	Plastic
UPC	753956449750 051135085783
Unit Count	60.0 Count
Warranty Description	Manufacturer Warranty
Water Resistance Level	Water Resistant

Reviews

J**S

1.08.2018

J**J

12.07.2017

H**R

6.12.2025

M**E

31.08.2023

F**K

16.09.2012

M**A

22.05.2020

T**S

1.12.2012

B**H

3.02.2026

A**R

4.04.2025

M**.

18.01.2026

A**R

19.01.2026

M**W

16.05.2017

F**N

8.10.2018

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