SpecSeal SIL Self-leveling Silicone Firestop Sealant

SpecSeal SIL300 SL Silicone Sealant is a high performance silicone firestop sealant tested to resist the passage of smoke, flame and water through construction joints and through-penetrations. SIL300 Sealant cures to form a flexible seal and carries a Class 1 W Rating for water resistance (Per ANSI/UL1479).

Test Standards ASTM C920
ASTM E90
ASTM E119 (UL263)
ASTM E814 (UL1479)
ASTM E1966 (UL2079)
ASTM E2307
ASTM G21
CAN/ULC-S115

Third Party Approvals

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Features

Ozone and UV Resistant
Excellent recovery from joint extension and compression
Listed in over 175 UL Tested Systems!

Applications

Blank Openings

Busway

Cable Tray

Metallic Pipe

Multiple Penetrations

Wall-to-Wall

Head-of-Wall

Floor-to-Floor

Floor-to-Wall

Bottom-of-Wall

Properties

Permanent

Autobonding

Flexible

Joint Movement

Low VOC

Self Leveling

STC Rating

Water Resistant

Smoke Barrier

Silicone

Specifications

Property	Value
Consistency	Pourable
Density/(Weight per Gallon)	11.5 lbs/gal
Viscosity	25,000 cps
Storage Temperature	Less than 80°F (27°C)
Application Temperature	35°F (-37°C) to 140°F (60°C)
VOC Content	Less than 47 g/L*
Shelf Life From Date of Manufacture	18 months
Tooling Time	25 to 30 minutes
Tack Free, ASTM C679 (77°F, 50%RH)	50 to 60 minutes
Storage Warranty Period	12 months from date of shipment if stored in original unopened container at 80°F (27°C)
Notes	*Per SCAQMD Rule 1168 (EPA Method 24)

Ordering Information

Catalog Number	UPC Number	Description	(UOM) Qty.	Case Qty.	Weight (Each)	Image
SIL305SL	730573013267	SpecSeal SIL305SL Self-Leveling Silicone 4.5 Gallon Pail 1,037 Cu In (17.0 Liters)	1	1	lbs
SIL320SL	730573013229	SpecSeal - SIL320SL Self-Leveling Silicone Packed in a 20 oz Sausage Tube	1	12	1.9 lbs

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