b"Finish the Job Inside and Outside For non-To complete the installation, carefully seal thecappedinterior against the weather and gap air infiltration. Installations,Repair any damage to the outside of the house.use suitableFill any old storm window holes or screen holessealing with putty. Use a paintable caulk so you'll be able to materials andre-finish the outside and seal it to the new window. procedures tocreate aFig. 19 weather-tightseal betweenthe newlyFig. 18 installed window mainframe,Caulk and the opening intowhich it isinstalled.If you damageChoose Your Sealant CarefullytheinteriorYou will be sealing the new window to the old framestops when you Capping and that will be your weather barrier. Make sure theremove them, orsealant you choose adheres to both the windowif old curtain rod material and the old frame material sufficiently tobrackets have make a lasting seal.them damaged, it may be wise to replace them.SealantMost lumberyardshave a selectionCaulkof mouldings thatwill match any-thing you mighthave. With thechoices of pre- Insulationfinished mouldingsnow available, itHeadis even easier to Expandercomplete the job -without painting or staining.Capping The Finished InstallationWherever possible, cover and seal the existing open-ing frame, and/or the cavity created between thenewly installed window and theexisting wall with properlyinstalled capping materials. Be sure to establish a drip cap to divert water from the top,around to the sides of theCaulkwindow installation.Capped Installations should integrate or seal to the perimeterof the new window or door to the Sillsiding in an air and water-tight Supportmanner.However, allow forventilation, and for moisture toescape from under the capping.Window Fitters Guide to Window Installation352020 AWDI, LLC Do not reproduce without permission"