Henry 925BES 10.3 Oz. Black Sealant

Premium, moisture cure sealant for construction joints subject to dynamic joint movement. This one-part, low odor, moisture cure product provides excellent weathering resistance, flexibility, very low VOC, through use of a silyl-terminated polyether (STPE) polymer. Upon curing, it is paintable with latex based paints. This product is fully compatible with Henry air barrier, flashing, roofing and waterproofing systems. Features: Provides excellent weathering resistance, flexibility and very low VOC through use of a silyl-terminated polyether polymer (STPE). External joint sealant for Henry air barrier, waterproofing and roofing systems. Alternative to silicone and moisture cure urethanes in above-grade construction applications. Can be used for construction joints up to 1" width, subject to dynamic joint movement of +/-25%. Building envelope sealant for self-adhered air barriers. Approvals and Certifications: Meets ASTM C719 35%. Meets Fed Spec TT-S-00230C, Type II, Class A. Meets ASTM C920 Type S, Grade NS, Class 35. Granted SWR Institute Certificate of Validation. Storage: Shelf life of 12 months from date of manufacture when stored in original unopened container at or below 80F. Containers should always be kept sealed when not in use.