To start this procedure i have already marked the wall at 36 up from the floor again see here for the basics of trim installation.
How to hang trim on wall.
How are you going to do that.
The first step in your shiplap accent wall is to remove everything from the wall including any nails use a putty knife to gently pry and remove baseboards crown moulding and trim.
Use something that pulls off easily and doesn t leave residue such as blue painter s tape.
These measurements will prevent frames that are too large or small.
Determine where you d like your wall frame molding to hang and mark on the wall.
Although i know this wall is a 45 degree angle wall i m still going to measure it anyway.
Dry fit the baseboard back onto the floor.
To ensure your frames look scaled to the rest of your room measure the length of the wall and decide how many frames you d like per wall and how far apart you d like them to hang.
For a more traditional look add cap molding to the top of the baseboards.
Using sandpaper sand the bevel away to create a level cut at the marked line.
At the location of each stud nail a finish nail through the trim and the plaster wall into the stud.
Set cap molding atop baseboard trim placing it flush against the wall.
I m going to use a t bevel to help me identify the angle of the wall.
It s easy to install baseboard trim to a concrete wa.
Make sure it lines up evenly with the chalk line on your wall.
How to install trim on odd angles.
How to trim a door.
Remove wall plates and outlet covers.
When you lay wall molding such as baseboard trim against a wall and see gaps between the top of the wall trim and the drywall it s usually because of a misaligned stud or a built up ridge of taping compound over a joint.
Use scarf joints to splice trim pieces on long walls.
This will allow you to paint the trim quickly without going over the edges.
Both will create bulges that cause gaps around floor trim.
Trim the board along the penciled line.
Use the same technique to install the cap molding as you would with the shoe molding.
Set the circular saw blade depth to the depth of the board and on a 5 degree bevel with the face of the cut toward the wall.
Tape the wall and floor above and below the trim optional.
The first time you do it it will take longer but once you get the hang of it you ll be trimming out doors like a pro.
Travis larson senior editor at the family handyman will show you how to trim a door in about 10 minutes per side.