How To Add New Exterior Door To Plastic Siding

This renders the siding vulnerable to moisture and voids the warranty even if you seal the hole.

How to add new exterior door to plastic siding.

Mark the perimeter of the opening for the new door onto the vinyl siding with a carpenter s pencil in the location where the door will go. To provide a moisture barrier apply building paper to the exposed areas of the walls and door frame. Part 2 installing the new vinyl siding. From the outside of the exterior wall use a builders level to mark a plumb line vertically from holes drilled in step 1.

Measure the top of the door s rough opening height from the bottom line and mark a level horizontal line to complete the perimeter of the cut line for the opening. Cut a piece of the drip edge to fit the width of the rough opening. From that point forward it s all a matter of sealing the door and addressing the cosmetics. Cut a mounting block out of 1 inch lumber to mount a fixture on vinyl or clapboard siding.

The block should be rectangular and large enough to accommodate the base of the fixture. There are at least three alternative ways to do it. If you re looking to add a new exterior door to your home whether it s a pair of french doors that swing out onto your patio or a dutch door that brings cottage charm to your front entry you ve come to the right place. Using a staple gun staple the moisture barrier to the new exterior wall.

Score the flat sections of the. Mark a level horizontal line 2 inches below drilled holes to define the bottom of the new opening. Pry off trim molding surrounding the existing door if applicable with the flat end of a pry bar. Shown is the new back door before installing drywall and adding paint and trim.

Cut the thin plastic sheet to appropriate dimensions so that it will cover the entirety of the new exterior wall. We ll walk you through the entire process of framing for an exterior door including cutting through drywall assembling new studs and building a new door frame. Do not nail the drip edge. I used some lexel sealant to double seal the exterior side of the door and then installed drywall and decorative trim filled the fastener holes and repainted everything.