Nail Trim To Vinyl Window

Some vinyl windows have quite a depth to the nailing fin which obviously causes the wood trim boards to rock on the high point.

Nail trim to vinyl window.

The nail needs to be long enough to go through the vinyl slot and into the wood window frame to a depth of at least 3 4 inch. Exterior window trim on vinyl siding if your home has vinyl siding and you d like to add vinyl window trim you will first need to remove the existing siding and j channel from around the windows. I m talking mostly about using hardi cedar or 5 4 trim nothing fancy. For a general vinyl framing nail choose a 1 1 2 inch size.

Brads for nailing to the jamb. Integral nailing fins are called integral because the nailing fin and the window frame are extruded as one solid piece. When nailing 3 4 in thick trim use 15 gauge 2 1 2 in. When the windows are assembled all four corners are melted welded together creating a sealed shell around the entire perimeter of the window.

Don t be shy with the hammer the trim will cover the hammer marks and you won t compromise the vapor barrier. To prevent splitting avoid nailing closer than 2 in. Trim out the biggest windows first. Integral fins are only found on vinyl windows.

However calculate your vinyl frame size before deciding on length. Do the pros really rip the back side of the trim board by a blade to avoid the rocking. That way you can reuse miscuts for the smaller windows and not run out of material. Nails for the framing and 18 gauge 2 in.