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Alpha Systems 1021 Self Leveling Caulk Sealant
1021 HIGH SOLIDS SEALANT is a one part all weather self-leveling sealant designed and formulated to provide excellent weather resistance.
It features high solids, low V.O.C. content, and no hazardous air pollutants (HAP).
This compound provides good adhesion to a variety of substrates.
This product has good low temperature resistance and will not crack at -40oF.
Typically used in RV applications where a long-term weather tight seal with good ozone and UV resistance are required.
Cured sealant is paintable.
Surfaces should be free of dirt, oil, or other contaminants. A solvent cleaned surface is optimum.
SHELF LIFE 1 year in unopened containers
VISCOSITY 80,000 - 200,000 cps
COVERAGE 380 lineal ft/gal
MINIMUM APPLICATION TEMP 60 deg
CAUTION: THIS MATERIAL MAY BE HARMFUL OR FATAL IF SWALLOWED. IF SWALLOWED, DO NOT INDUCE VOMITING. CALL A PHYSICIAN. THIS MATERIAL IN THE LIQUID OR VAPOR PHASES IS EXTREMELY FLAMMABLE. KEEP AWAY FROM SPARKS OR OPEN FLAME. DON'T SMOKE. Prolonged breathing of vapors may cause headaches and even unconsciousness. Avoid prolonged breathing and use good ventilation.
For information on installation of product
Alpha Installation Video
JManatee's & Family RVing Site - he removes old rubber roof and installs new
Why is the roof wrinkled around all the vents and skylights?
The solvents in the 1021 self-leveling sealant temporarily swell the roofing membrane. In the warmer months it takes 3-5 days to go away & 5-9 in the colder months.