FasciaCap on
a stair riserCover fascia miters on stair stringers
FasciaCap covers corner miters on fascia boards and stair-riser heights. Stairs are where small inconsistencies show the most, so this install rewards careful measuring and a sharp blade.
Confirm your framing is square
Make sure the stair stringer and riser are square cut to the edge of the stair-stringer framing member. If the framing is out of square, the FasciaCap will telegraph it — fix the framing first.
Measure the riser height
Measure the height from the underside of the deck board above the piece to the underside of the stair tread at the bottom. That dimension is the length of FasciaCap you'll cut for this riser.
Cut the FasciaCap
Cut the FasciaCap with a sharp carbide miter-saw blade or sharp tin snips. A dull blade tears the profile and makes the next step harder.
Trim to fit the tread
Trim the FasciaCap as needed to fit around the stair tread. Dry-fit, mark, trim, and dry-fit again — the FasciaCap is forgiving as long as you sneak up on the final length.
Fasten the FasciaCap
Install the FasciaCap with 1/4" head, 2.5" composite deck screws. Drive each screw so the head is below the surface — the plug needs room to sit flush.
Plug and finish
Align the grain of each plug with the grain direction of the FasciaCap, then press the plug in by hand so it sits flush. (FasciaCap plugs are designed for hand pressure — no hammer required.)
Stair-install pro tips
- Work top-down. If you start at the top riser and work toward the ground, sawdust and offcuts fall away from your finished work.
- Score before you snip. Light tin-snip cuts running 1/4" into the edge of the cap help your final cut land exactly where you want it.
- Take a step back every two risers. Eyeballing a full flight at once will catch any cap that's sitting proud before you plug it.