1Prepare the Opening:
A.Prepare the rough opening.,WPXVWEHWKHFRUUHFWVL]H ZLQGRZIUDPHSOXVLQERWKZLGWKDQGKHLJKW VTXDUHSOXPE and the sill must be level. If needed, block in the rough opening on both sides, the top and the bottom.
Note: If installing new blocking, install the blocking so it’s flush with the exterior sheathing of the house. DO NOT attempt to install a window in an undersize opening.
B.Apply sill flashing tape #1.&XWDSLHFHRIŶDVKLQJWDSHORQJHU than the opening width. Apply at the bottom of the opening as shown
% )RURSHQLQJVZKHUHH[WHULRUWULPZDVUHPRYHGDSSO\WKHWDSHVR LWRYHUKDQJVRQWRWKHH[WHULRUVKHDWKLQJRUZDWHUUHVLVWLYHEDUULHU
Note: The tape is cut 12" longer than the width so it will extend 6" up each side of the opening.
C. Tab the sill flashing tape and fold. &XWZLGHWDEVDWHDFKFRUQHU IURPHDFKVLGHRIFRUQHU & )ROGWDSHWRWKHH[WHULRUDQG press firmly to adhere it to the water resistive barrier.
Note: This step is not required if the exterior trim has not been removed.
6" | 1B |
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1" | 6" | 1B |
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D. Apply sill flashing tape #2. &XWDSLHFHRIŶDVKLQJWDSHORQJHUWKDQWKHH[LVWLQJRSHQLQJ ZLGWK$SSO\DWWKHERWWRPRYHUODSSLQJWDSHE\DWOHDVW'RQRWDOORZWKHWDSHWR H[WHQGSDVWWKHLQWHULRUIDFHRIWKHIUDPLQJ '
E.Install and level shims. 3ODFHŔZLGHE\~ŔWKLFNVKLPVRQWKHERWWRPRIWKHRSHQLQJŔ IURPHDFKVLGHEHQHDWKWUDQVLWLRQEDUVDQGPXOOLRQMRLQWV.HHSVKLPVEDFNIURP interior face of window. Adjust shims as necessary to ensure the sill is level. Once level, attach shims to prevent movement.
Note: Improper placement of shims may result in bowing the bottom of the window.
F.Test fit the window.
1D |
1E |
2Window Preparation:
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6"
EVERY
16"
6"
Single
Window
6"
EVERY
16"
6"
Multiple Windows
A.Casement:2QWKHURRPVLGHRIWKHZLQGRZGULOOGLDPHWHUFOHDUDQFHKROHVWKURXJK WKHKHDGMDPEVDQGVLOORIWKHIUDPH6SDFHWKHKROHVDPD[LPXPRIIURPHDFKHQGDQG DPD[LPXPRIRQFHQWHU
Note: On vent casements, place the holes so they do not interfere with the roto operator and the latch points on the lock side of the window.
Drill 1/8" |
clearance hole |
2A |
Casement Sill |
