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Pecora AC-20′s elastomeric properties make it an excellent sealant for caulking interior concrete joints, hollow core ceiling and floor planks, window and door frames, vinyl, aluminum, steel and plywood siding, sheetrock, baseboards and bathroom and kitchen fixtures.


It may be used to grout marble and ceramic tile, repair mortar joints, and, under controlled conditions, to bed insulated glass units and storm windows. 

Pecora AC-20 is a pure acrylic latex sealant for general purpose interior and exterior caulking in architectural applications where slight to moderate movement is anticipated. Formulated with the highest quality ingredients including a silicone additive for greater adhesion and weatherability, Pecora AC-20 is completely compatible with premium-grade latex and oil paints and will not stain adjacent surfaces. Pecora AC-20 has superb color stability and resistance to ultraviolet rays, ozone and airborne contaminants. It is mildew resistant and has United States Department of Agriculture acceptance for use in meat and poultry processing plants. In addition to the substrates listed above, Pecora AC-20 is compatible with polystyrene, polyurethane, cork, foamed and fibrous glass and gypsum board.

Applicable Standards: Exceeds the requirements of ASTM C834 Specification For Latex Sealants.

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