Products / Sikalastic-624 WP
Sikalastic-624 WP
Class A fireSikalastic-624 WP is a cold-applied, single-component, alkaline-resistant, aliphatic, moisture-triggered polyurethane resin used with fiberglass mat or polyester fleece reinforcement to form a seamless membrane and flashing system. It is typically covered by a separate wearing course but is UV resistant without a protection board. It ships in 5 gal (19 L) pails. Its data sheet lists Miami-Dade County and ASTM C836, prints a Class A ASTM E108 external fire result, and reports an SRI of 109 for white.
Manufacturer
Material
Product line
Sikalastic
Fire rating
Class A
Solar reflectance index
109Warranty
1
Standards met
Miami-Dade CountyASTM C836ASTM E108
Status
active
Spec sheet
Related
Related guides
Sources
- usa.sika.com verified 2026-10-15
- usa.sika.com verified 2026-10-15