Model # 1305812

Internet #202057907

OSI SC-170 28 fl. oz. Black Vapor and Acoustical Sound Sealant (12-Pack)
0028756985426

OSI

SC-170 28 fl. oz. Black Vapor and Acoustical Sound Sealant (12-Pack)

$7776 /package
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Product Overview

OSI SC-170 Vapor and Acoustical Sound Sealant are specifically designed for reducing sound transmission in all types of wall partitions to maintain specified STC values. Sealant is non-hardening, non-staining and very tacky. It adheres to drywall, wood, metal, masonry, polyethylene and other building materials. SC-170 provides an air tight vapor barrier when used with polyethylene sheeting to help prevent air infiltration and the formation of condensation. SC-170 was developed primarily for commercial construction utilizing light weight cavity walls and floor systems. The sealant is used for unexposed applications at perimeter joints, floor and ceiling runners (either wood or metal), and cut-outs in gypsum board, veneer plaster systems and other areas where a sound rated assembly is required. It can also be used as a buck frame, threshold or bedding sealant when applied to metal or glass surfaces.

California residents: see   Proposition 65 information

Info & Guides

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Specifications

Dimensions

Individual size (oz.)
28

Details

Caulk Features
Fire and High Heat Resistant,Moisture Resistant,Mold and Mildew Resistant,Permanently Flexible
Caulk Form
Standard Tube
Caulk Type
Synthetic rubber
Color/Finish
Black
Coverage (linear ft.)
85
Cure time (hours)
24
Dry color family
Black
Dry to touch (min.)
120
Indoor/Outdoor
Indoor
Longevity (years)
20
Paint Product Type
Sealants
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
ASTM Compliant
Manufacturer Warranty
None

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Customer Questions & Answers

The specs say it has a life of 20 years. So, does that mean that the seal starts to break down a...

The specs say it has a life of 20 years. So, does that mean that the seal starts to break down after 20 years?
Asked by: Jo
This is only a guess after reading specs from several brands. Probably firms up and is no longer soft which seems like minor issue.
Answered by: BuffaloJohn
Date published: 2017-01-18

What is equivalent to osi sc-1170.

Asked by: rc
There is a osi latex version that I have not used. I checked out several other "equivalent" brands and found specs to fall short of osi brand. They cost more also.
Answered by: BuffaloJohn
Date published: 2017-01-18
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Customer Reviews

SC-170 28 fl. oz. Black Vapor and Acoustical Sound Sealant (12-Pack) is rated 3.8 out of 5 by 5.
Rated 4 out of 5 by from used before, fantastic does what it suppose to do. seals great. spreads easy
Date published: 2016-09-28
Rated 4 out of 5 by from Half the price of Green stuff. I'm sound proofing a room and using this in conjunction with double drywall layers. It does double duty as a caulk/sealer and as a non-curing elastomeric interlayer. Super sticky (the SC means Sticky Cr*p) and will always stick to your fingers and clothing for eternity. But once you encase this stuff, no issues. It's half the price of the green stuff and at 2 tubes per drywall sheet, it saves a lot of money compared to the green glue. I recommend it, but just be aware how sticky this is. It does give off organic vapors for awhile - you'll need to ventilate. The bottle said use acetone for clean up, but lighter fluid works MUCH better.
Date published: 2015-06-09
Rated 5 out of 5 by from Beware! This stuff is sticky, and by "sticky" I mean the stuff of nightmares sticky. One minuscul... Beware! This stuff is sticky, and by "sticky" I mean the stuff of nightmares sticky. One minuscule drop will produce a looping sting of stickiness that will keep spreading, creating a new little loop of stickiness with every attempt at getting it to stop. I guess this is great news though, because it actually sticks to a polyethylene vapor barrier when nothing else will. To remove it from metal, I used WD40, and to remove it from plastic and my skin--yes, I wore gloves and eye protection; one of those drops feel on my forehead though--I used Goo Gone.
Date published: 2017-01-24
Rated 5 out of 5 by from It works as described goes down smooth, seals well and binds to all clean surfaces. It’s intended... It works as described goes down smooth, seals well and binds to all clean surfaces. It’s intended to stay soft forever and therefore is a mess to work with. The solvent base requires paint thinner or mineral spirits to be nearby. There is a latex version, but I prefer old school while it’s still made. Odor of product not an issue. I found that just in time application before being covered by vapor barrier or wall board works best works best because it stick all over when trying to fit in.
Date published: 2017-01-18
Rated 1 out of 5 by from SPEC SHEET IS WRONG - BE SURE YOU CHECK AGAINST OSI WEBSITE SPEC SHEET SAYS 120 MINUTES DRY TO TOUCH, AND 24 CURE TIME. AFTER 7 DAYS PRODUCT HAD NOT DRIED. SPOKE WITH HENKEL INDUSTRIES WHO THEN INFORMED ME THIS IS A NON-CURING PRODUCT. I HAD TO REMOVE BASEBOARDS, VINYL SOUND PAD, AND HAVE A HUGE MESS TO CLEAN UP.
Date published: 2014-09-03
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