PRODUCT: Dow Great Stuff Pro, Gaps & Crack Insulating Foam Sealant with STRAW Dispenser, ASTM E-84 Fire Rated. 24 oz. Cans. 12 Cans/Case. Price/Case. (Dow 341553 / 199028 / 298140)
Ground shipment only. Not air ship-able. No express shipping.
PACKAGING: Case of twelve 24 oz. aerosol cans, STRAW TYPE WITH STRAW.
DESCRIPTION & APPLICATIONS: An aerosol dispensed fireblock grade polyurethane foam. Orange Tinted.
- FIRE-RATED: GREAT STUFF PRO has been evaluated by ASTM E 814* in wood frame pipe penetrations. Conforms to the ASTM C557-93, D6464, CA25-4, and is UL Class 1 (Flame spread of 15, smoke of 20).
- Fills, seals and insulates gaps up to three inches.
- The most economical, convenient and effective method for installing Building Code compliant Fireblocking in wood frame residential construction.
- Fireblock is used to seal concealed penetrations from floor to floor or room to room.
- Forms a fireblock AND a durable, airtight and water-resistant bond.
- Not rated for use as a Firestop in commercial fire rated walls
- GREAT STUFF PRO is closed-cell foam. It forms a water-resistant outer skin when cured.
- Bonds to wood, drywall, metal, masonry, glass and most plastics.
- Tack free in six minutes. Trims in 30 minutes.
- Wide temperature operating range (25°F to 120°F). Most foams only work in 60°F to 90°F. Freeze/thaw stable.
- Foam elasticity allows for movement/shifting within a structure from winter to summer.
- Paintable, stainable and sandable.
- Can be used to replace acoustical sealants on interior walls. Acoustical Rating: Sound Transmission Class rating of 69.
- Mechanical spring valve of GREAT STUFF Pro foam is superior to rubber valve. Won’t glue shut after use. Use 1/4 of the can today, 1/4 in 30 days, and that can will be good for…another 30 days!
- Choose from three foam applicator gun models. Extended length gun barrel available for easier application, such as sub-floor construction.
- Orange colored foam allows easy identification by building code inspectors
Product overview and applications
Product data sheet
GREAT STUFF Pro™ is approved as a residential fireblock sealing material (see ICC-ES legacy report NER-645).
- Replaces E136 Caulks, Mineral Wools and Solid Materials.
- UL Classified R-13919 (Flame Spread 25, Smoke Developed 50)
- Also meets ASTM E-84 Class 1 specs.
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