b'6. Finishing and TrimOPTION 1- OPTION 2-Seal Inside If foam sealing with Low tape is not used, Expansion fill gaps with Spray Foam Spray Foam where Foam and cover withSealing Tape Sealant.is not used,and coverwith Sealant if needed. OPTION 2-Seal Outside and Cover with TrimDo not cover more than 1/2 of the window frame on any side allowing clearance of 1/2 from all materials, operators and hinges, etc.The clearance between the window frame and therough opening to which the window is anchoredshould be between 3/8 minimum and 5/8 maximum.If slow expansion foam tape is used on all 4 sides, no other sealant or insula-tion is necessary - on theinside or the outside. Youmay use sealant to finish the trim if you wish.If no slow expansion foamtape is used on any side, sill, or header, then lowpressure PU foam sealantcan be injected between the Insulation Insulation Insulationwindow and the rough open- Backer Rod Backer Rod Backer Roding, and finished with backer Sealant Sealant Sealantrod and sealant as required.Window Fitters Guide to Window Installation 121 Contents 2020-Do not reproduce without permission'