b'Coastal CMU Installation with Installed BuckStep 1: Step 3:The Opening must be Install a window buck, level, plumb and receptor or devicesquare, and the mortar which will act as aproperly applied to mounting surface onallow no voids, cracks both sides and the topor clumps that might for the seating of the allow water infiltration. window into theA proper sill must be masonry cavity.accommodated either Precast Apply a 9 mm with a pre-cast sill, or Lintel (3/8 inch) bead an applied buck with a of bedding sealant orPoured appropriate gasketsill pan installed as Sill under the buckshown. material to preventNote: Florida Building the passage of waterCode Requires thatbehind the buck.products tested for wind Align Head Buck withand debris - especially forhurricane and high wind Sill Detail. The outer-zones - be installed as most edge of the jambthey were tested.and header bucks willThis can mean anything align with the outer-other than a wood buck most edge of the sillsill can void hurricane buck and/or pan.and wind approvals. ExteriorExteriorStep 2: Step 4:It is recommended that Assure there are noinstaller treat the gaps between bucksmasonry opening with a when anchoring bucksCMU sealer for theto CMU openingpurpose of sealing theCMU window cavity Note: The number, type andspacing of fasteners requiredfrom absorbing liquid for installation of the bucks iswater.This application in accordance with local code. will be put on before The coatings will needthe installation of the to be extended onto thebuck materials.sill member, ensuringMark set-back for buck 100% continuityon jambs and header. between the buck andthe sill member, withno air or water gaps.Exterior ExteriorWindow Fitters Guide to Window Installation1272020 AWDI, LLC Do not reproduce without permission'