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Integral water repellent

Split Face Concrete Masonry Units | Trenwyth Industries | an Oldcastle Company ...BN – Bull Nose T – Top Ground B – Bottom Ground C – Chamfer Ground U – Bond Beam All Trenwyth concrete masonry units are manufactured with an integral water repellent admixture to resist moisture. DETAILING TO KEEP MOISTURE OUT All exterior mortar joints must contain an approved water repellent additive. click to enlarge detail. See #1. E. Dillon & Company ...complying with ASTM C90, Grade N, Type I moisture controlled. B. Minimum compressive strength: 2, 000 PSI for average net area. C. Water repellency: Units manufactured with integral water repellent. D. Freeze/thaw durability: No separation, spalling, cracking, or disintegration of facing when tested in accordance with ASTM C1372. E. Polished... See #2. 1: http://www.trenwyth.com [c1002231] 2: http://www.edillon.com [c1030424]