STI Firestop SNS120W Smoke & Sound Acoustical Sealant White (20oz Sausage)


STI Firestop Sealant

STI Firestop SpecSeal® Smoke N Sound spray is a high quality acrylic latex spray designed for static or minimally dynamic linear joints or gaps.

SpecSeal Smoke N Sound spray is formulated to adhere to all common construction surfaces and may be applied using airless spray equipment or with a brush (for small applications and touch ups).

STI Firestop is manufactured by Specified Technologies Incorporated, which is a leading expert in developing innovative fire protection systems that help stop the spread of fire, smoke, toxic fumes, and hot gases.


Physical Properties
Leakage 1 CFM per UL1479
Color White or Safety Yellow
Odor Mild Latex
Specific Gravity 1.56
Solids Content by Weight 83%
Solids Content by Volume 71%
pH 7.0 -7.5
VOC (ASTM D3960 OR EPA Method 24) 20 g/L (.17 lb./gal)
ASTM C834 Complies
ASTM D217 260 77°F
In-Service Temp. Less than 185°F (85°C)
Storage Temp. 40°F (4°C) – 95°F (35°C)
Flame Spread 5
Smoke Development 0
STC Rating 62 (Relates to specific construction) (ASTM E 90-04/ASTM C919)
Shelf Life 2 Years
Weight 2 lbs
Dimensions 2 × 2 × 10 in

SKU: SNS120W Category: Tags: , , , , Barcode: 730573111512.
Weight 2 lbs
Dimensions 2 × 2 × 10 in