b'Installing Vinyl Windows in MasonryIn most masonry applications, the old frame willremain and installation will be as described previouslyfor wood or metal.In those instances where the win-dows to be replaced were installed in a block opening FLASHING BETWEENFlashingROUGH OPENING(block, brick or stone), the opening depth will be 6 to betweenAND EXTRUDEDJAMB LINERConcreteCREATING DRIP CAP9 and require a wood frame (wood buck) for installa- windowBlock SIMILAR ON JAMBStion.Also you must allow an additionalWoodand 1 1/2 in the width and 3/4 in height when youWindow buckmeasure.Order the smaller replacement window sizeto allow for the use of the wood frame to attach to the Flashingmasonry opening. under window isFLASHING BETWEENIf the old window is a metal window cemented in,Stone sill panROUGH AND SILLCREATING SILL PANit will need to be cut out as you would do with a steel Sillwindow.The installed wood buck will butt up againstthe remaining metal frame on the sides and top.If the old window is wood, it usually can be totallyremoved.A. FlangeOnce the old window is removed, clean opening and Application: A flange WOOD BUCKremove old caulk.Using 3/4 plywood or 1 x 6 orallows the unit to be FLANGE1 x 4 pine, install a wood frame across the top and applied against a wood Fon both sides using cut nails to anchor wood intobuck fastened to thethe masonry. rough opening.Flangemount is used most oftenIf desired, cover the wood buck with coil stockwith concrete block, suchbefore placing in opening.Also, the exposed outside as CBS construction.Theareas can be covered with wood trim or capping as window is mounted withnecessary.screws applied throughthe frame, into the buck.Using Aluminum angle or wood moldingEXTERIOR(1 x 1) create outside blindstop along outside of B. Fin Application:SHEATHINGwood frame leaving enough space (3 1/4) forA nailing fin on a vinyl FINreplacement window. window is integrally OPENINGaffixed to the frameInstall the window against the blindstop and trim between the outer and theoutside and inside as necessary for completed job. interior edge.Fin mount-ing is used in wood framePre-extruded shapes or available Snap-Trim can construction by nailingmake the job easier.Mount the angle of the snap trim through the fin into thewith pop rivet to the top of window.After placed in wood framing and sheath-opening, mount angle to other sides. ing. ROUGH OPENINGThe chief method of installation of new windows inC. Flush Application:a concrete block wall system is with a tapered wood When the unit does notbuck.The windows and doors are of a "flange"contain a flange or a fin,design, screwed to the wood buck usually with a it can be mounted flushsheetrock interior return and a stucco wash finishin the opening by usingon the outside.Where the upper stories are allowedmounting screws throughto be frame, fin design windows are used. the jambs into the roughopening frame.Window Fitters Guide to Window Installation732020 AWDI, LLC Do not reproduce without permission'