Acc Boss 363 50Y White Sealant Acrylic Latex 10.1 oz.

BOSS® 363 Sealant Acrylic Latex Caulk with Silicone is mildew resistant and designed for
both interior and exterior use. BOSS® 363 Sealant Acrylic Latex Caulk with Silicone forms
a tough, flexible resilient bond to all building material surfaces. It has excellent resistance
to water, weathering and moisture vapor. BOSS® 363 cures to produce a flexible seal that
is non-yellowing.
• Sealing around window and
door frames
• Sealing around baseboards
• Sealing around trim
• Sealing anywhere a weathertight
seal is desired
• Sealing corner joints
• Sealing where siding meets trim
• Air seal and weatherization
• MANY MORE...
BOSS® 363 Sealant Acrylic Latex Caulk with Silicone should only be used where moderate
joint movement is anticipated. In joints exceeding 1-1/2” in depth use a foam joint filler.
Tooling is recommended and, if possible, should be completed in one continuous stroke.
Tool joints within 10 minutes of application. If masking tape has been used to obtain a
cleaner joint, it should be removed before the tack-free skin forms.
CAUTION: Do not apply when building material or air temperature is below 40°F. BOSS®
363 Sealant Acrylic Latex Caulk with Silicone is not recommended for continuous water
immersion or vehicular or foot traffic.
A minimum of 2 hours dry time is required before painting with latex or oil base paint. Allow
extra dry time during periods of high humidity and/or cool temperatures.
• ASTM C-834-76
Excess caulk should be cleaned off tools and nonporous surfaces while it is in the uncured
state, using a wet cloth. Cured compounds should be cut away.