Installing A Window Sill Extender

I typically use for an overhang.

Installing a window sill extender.

To see hands on demonstrations of techni. Apply firm pressure to the adapter at the tape location to ensure proper adhesion to the window frame. If filler is too long trim to the measured length. Measure across window from jamb to jamb at the head and sill.

Casements and awnings are not compatible with a sill angle or head extender. One piece for the head and one for the sill. If an extender isn t permanently fastened to a wall or sill then position your plants carefully so the extender doesn t become stressed near an edge and collapse. Step 1 finishing the current window sill.

Use a saw and cut the window sill flush with the wall on either side of the window. 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. Determine your window sill horn overhang.

This measurement is your window sill length. 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. Measure the distance between the two wall marks then add 1 1 2 inches to factor in your overhang on each side. Install vinyl sill extender by sliding the extender up into the frame channel.

Check this dimension against the shorter pieces of frame pocket filler. A sill extender is shipped with your order to allow height adjustments and is field trimmable. 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. Sill extender is field trimmable for any necessary adjustments.

Press the sloped sill adapter onto the sill of the window. A permanent extender requires the installation of brackets into the wall studs beneath the window.