STI BIOSTOP® 750, 5 Gallon
BIOSTOP® 750 is a water-based sealant that comes in three different grades (spray mastic, Self-leveling and Caulk grade) and two colors (red and white). Ideal for use in construction joints such as top of the wall, curtain wall perimeter, expansion, control, etc., and for general construction gaps and voids. The mastic spray is designed for spray application and a economical means of installation on long joint runs.
- Description
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BIOSTOP® 750 is a single component, general purpose fire rated sealant for construction joints such as top of the wall, curtain wall perimeter, expansion, control, etc. and for general construction gaps and voids. BIOSTOP® 750 is a water based sealant that comes in three different grades that can be caulked from a tube, brushed or troweled from the pail, applied with a spray pump or poured.
BIOSTOP® 750 mastic grade is designed for spray applications and provides a fast, economical means of installation on long joint runs. BIOSTOP® 750 Self-leveling (SL) sealant is made for horizontal applications where quick installation is necessary. BIOSTOP® 750 caulk grade is a non-sag sealant that is easy to apply from a caulk gun or troweled. It cures to an elastomeric membrane seal that is suitable where dynamic movement is expected. No dilution or mixing is required for use.
In the event of a fire, BIOSTOP® 750 will prevent the spread of flames, smoke, hot gases and water through the joint openings. BIOSTOP® 750 is rated for up to 3 hour conditions in accordance with the UL 2079 (Tests for Fire Resistance of Building Joint Systems) test standards. BIOSTOP® 750 has been cycled 500 times, meeting the new ASTM E 1399 standard. Also tested in accordance with ASTM E 814 (UL1479) for systems up to 2 hours. BIOSTOP® 750 is protected in a wet stage as well as in a dry stage against mold growth with a combination of biocides.
- Applied with airless spray equipment
- Highly flexible to accommodate for dynamic joint conditions
- Tested for up to 3 hr. fire resistance rating
- Freeze-thaw will not affect product
- Water based application
- Flexible - Elastomeric
- Paintable
- VOC compliant
- Excellent smoke seal
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