DOWSIL™ Smoke Seal 800SL
This self-leveling, one-part silicone sealant has excellent unprimed adhesion to many common, non-porous building substrates. A low-modulus sealant, with high adhesive strength and movement capability it has excellent fire resistant properties, which can help prevent the spread of smoke and flames in horizontal floor joints.
Uses:
- Sealing connection joints in fire-rated floors and gaps between fire rated walls and concrete floors
- Horizontal sealing where smoke tightness is important
Benefits:
- Up to four-hour fire rating
- Ready to apply
- No tooling required
- Cures at room temperature when exposed to moisture in the air
- Long service life
- Excellent weathering characteristics, including resistance to ozone, UV and high temperatures
- Non-corrosive to metals
- Tested and classified according to: EN 1366-4 and 13501-2 (joint design details on request)
- Tested and classified according to EN 11925 and EN 13510-1
Tested according to EN 1716, UL 2079 and EN 15651-4
Properties
These values are not intended for use in preparing specifications.
Typical Properties
- Appearance Yes No Black
- Certification Yes No Material
- Chemistry Yes No Neutral
- Density Yes No 1.3 grams per cc
- Durometer - Shore A Yes No 19 Shore A
- Elongation Yes No 400 %
- Modulus @100% Elongation, maximum Yes No 52.2 psi
- Movement Yes No High
- Shelf Life Yes No 365 Days
- Special Features Yes No Fire Resistance, High Temperature Resistance
- Substrate Yes No Non-porous, Porous
- Tensile Strength Yes No 174 psi
- Type Yes No Sealant
- Viscosity Yes No 28000 mPa.s
- Where Used Yes No Job Site
Fire-rated Sealants
How can we limit the spread of fire when it comes to building design? Including passive fire-protection in a building design helps contain fire and smoke, allowing more time for building occupants to escape. This is why building materials we select are so vital: the materials’ behavior in resisting fire is a key factor in determining how much time will be available to exit a building. Dow High Performance Building offers a range of DOWSIL™ brand solutions for vertical and horizontal applications as well as cable penetrations, fenestrations and building element connections, including DOWSIL™ Smoke Seal 800SL.
A distinct advantage
Sealants can help limit the spread of fire and smoke in passive, fire-protective building designs. Silicone technologies are non-flame propagating, do not produce flaming droplets and have a limited non-toxic smoke development. These material properties can be especially beneficial in fire-rated systems and designs and are found in DOWSIL™ Smoke Seal 800SL, developed for joints in floors and the gap between walls and floors. This product has a fire rating of up to four hours and benefits from the renowned characteristics of silicone sealants, such as movement capability, adhesion profile, UV and temperature stability and durability.
No Safety Data Sheets are available online for this material Please Contact Dow for additional information.
No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.
No Food Contact Letters are available online for this material Please Contact Dow for additional information.
No Food Contact Letters are available online for this material
Please Contact Dow for additional information.
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