Sill extender is field trimmable for any necessary adjustments.
Installing a window sill extender.
To see hands on demonstrations of techni.
Measure across window from jamb to jamb at the head and sill.
Dows before window installation.
This measurement is your window sill length.
If filler is too long trim to the measured length.
I typically use for an overhang.
One piece for the head and one for the sill.
Install vinyl sill extender by sliding the extender up into the frame channel.
Press the sloped sill adapter onto the sill of the window.
The aluminum sill extender is sized for a 36 wide door narrower units will need to have the extender cut to the same size of the sill.
30 door 30 32 door 32 34 door 34 step 3 installing sill extender with the sill extender cut to the proper length attach the extender to the sill that is on the door system.
Casements and awnings are not compatible with a sill angle or head extender.
Mark a reference line on the wall on each side of the window.
Use sandpaper to make sure the edge is flush and that it is smooth as well.
A permanent extender requires the installation of brackets into the wall studs beneath the window.
Apply firm pressure to the adapter at the tape location to ensure proper adhesion to the window frame.
A sill extender is shipped with your order to allow height adjustments and is field trimmable.
Determine your window sill horn overhang.
Use a saw and cut the window sill flush with the wall on either side of the window.
Check this dimension against the shorter pieces of frame pocket filler.
Step 1 finishing the current window sill.
You can replace your entire window sill to get the space you want or you can simply extend the window sill you already have.