Flush Fin Window Siding
The fin covers the old window frame.
Flush fin window siding. The siding is cedar and there is currently no trim around the windows. Flush fin also called z bar typically used in california and other markets where aluminum windows are in place and the exterior is stucco or masonry. The fin covers the old window frame no need to cut back stucco or siding refinish interior trim or replace blinds and window coverings. Innie vs outie will be determined by the window construction and sash location.
A flush fin window is designed to fit flush on top of the old window frame and when properly installed with a liberal bead of sealant between new and old frames you get a solid water tight seal. Our flush fin option allows our windows to be installed from the exterior of a home into an existing window frame. First order of business was making sure that any nails in the old nail fin were out of the way because we planned to remove the entire nail fin once the siding was cut out of the way we just bent them down to the sit flush with the window frame with a hammer. The new window or door with nail fin is sealed and attached to the wall in the opening left by the removal of the existing brckmould and window or door.
This provides a clean energy efficient result. No need to cut back stucco or siding refinish interior trim or replace blinds and window coverings. If you have wall siding it is just as important to leave the existing frame. Flush fin recommended for replacement this frame type allows our windows to be installed from the exterior into an existing aluminum window frame.
The nail fin location depends primarily on the cladding thickness and the op will be using shingles and stucco so it could be 1 to 1 5 16 which is typical. Full frame replacement after brickmould or trim removal or siding cut back for nail fin windows the existing window or door and wood brickmould or trim is removed. The integral exterior trim is decorative and covers the gap between the new window and the existing siding. Verify width and height of new window are each smaller than the minimum opening width and height of the existing opening.
Cutting away the siding will require that the replaced windows will have a 1 5 to 2 cedar trim moulding around the edges of the window impacting the aesthetics somewhat i guess. A vinyl window used for retrofit installation into an existing window frame. These windows have a large exterior flange that is designed to conceal the existing window s frame.