Installing A Window Sill Extender

A sill extender is shipped with your order to allow height adjustments and is field trimmable.

Installing a window sill extender.

Use sandpaper to make sure the edge is flush and that it is smooth as well. 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. Determine your window sill horn overhang. Measure the distance between the two wall marks then add 1 1 2 inches to factor in your overhang on each side.

Press the sloped sill adapter onto the sill of the window. Casements and awnings are not compatible with a sill angle or head extender. 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. Mark a reference line on the wall on each side of the window.

Install vinyl sill extender by sliding the extender up into the frame channel. Check this dimension against the shorter pieces of frame pocket filler. Sill extender is field trimmable for any necessary adjustments. 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. One piece for the head and one for the sill. To see hands on demonstrations of techni. If filler is too long trim to the measured length.

This measurement is your window sill length. Apply firm pressure to the adapter at the tape location to ensure proper adhesion to the window frame. Measure across window from jamb to jamb at the head and sill. Install filler by snapping leg of filler into.

Use a saw and cut the window sill flush with the wall on either side of the window. A permanent extender requires the installation of brackets into the wall studs beneath the window.