Acrylic Butter-Grade 221 is a water-based, high solids elastomeric sealant utilizing the latest advances in advanced acrylic technology. Acrylic Butter-Grade 221 is manufactured from a unique acrylic resin specifically designed to provide increased tensile strength and elongation. Acrylic Butter-Grade 221 is whipped and thicker than Brush-Grade 220.
- Excellent adhesion to multiple substrates
- Reflects 80-90% of heat caused harmful UV rays
- Easy to use, easy to clean up, and non-toxic
- VOC compliant and resistant to dirt pick-up
- Reduces daily expansion and contraction (thermal cycling) of roofing substrate
Acrylic Butter-Grade 221 is ideally suited for sealing mechanical fasteners and vertical seams on metal roofs, as well as around flashings, drains and penetrations on most roof surfaces. It has excellent adhesion to asphaltic roofing, metal, concrete, wood, and polyurethane.
- Metal
- Modified Bitumen
- EPDM
- Single-ply
- Smooth BUR
- Concrete
- SPF
- White
- Medium Gray
- 5-gallon pail
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