b'Coastal CMU Installation with Flush 2x8 Buck2 x 8 Step 1: 2 x 8 Step 3:To flush mount a Using flexible, finned window use adhesive-backed 2x8 pressure-treated flashing, create a sill-buck material fastened pan by applying theto the block with code flashing along the sillrequired fasteners and up the sidesproperly embedded into approximately 6 inches.the block.Apply bedding sealant Precastto the block to seal the Lintelbuck against the block Pouredwhen installed. Seal all Sillfour corner joints.2x8 Buckon AllSidesExterior Exterior2 x 8 Step 2: 2 x 8 Step 4:As with recessed Once the window ismounting, treat the mounted, flexible masonry opening with a adhesive-backed CMU sealer for theflashing andwire lathepurpose of sealing the as needed to be sureCMU window cavity the entire exteriorfrom absorbing liquid perimeter is well sealedwater. to shed surface water.Be sure to cover thebuck, and the block-inside and out to a dis-tance of approximately9 out from the openingin all directions.Exterior ExteriorWindow Fitters Guide to Window Installation1312020 AWDI, LLC Do not reproduce without permission'