How to cut and fit the top stair landing tread to fit under the door jambs to make the wood stairs to carpet transition. A cardboard template is made to cut the RetroTread to fit under the door jambs.
Table of Contents
This is a multi-part series:
- How to Remodel Carpeted Stairs with Wood RetroTreads
RetroTread remodeling overview, installation options, staining and finishing.
- Carpet to Wood Stairs Remodel – Saw off Old Stair Nosing
Remove the carpet, saw off the old stair noses and sanding the stairs.
- Carpet Stair Remodel – Measure and Saw Wood RetroTreads
Stair tread template/gauge tool, miter and table saw work, dry fitting the new treads and risers.
- RetroTread Stair Remodel – Landing Tread to Carpet Floor Transition (you are here)
Fitting the final tread under the upstairs door jambs and carpet floor transition moulding.
- Carpet to Wood Stair Remodel: How to Install RetroTreads and Risers
Install the new treads and riser with polyurethane construction adhesive and brad nails.
RetroTread Stair Remodel – Landing Tread to Carpet Floor Transition
Remove the Stair Landing Nose
The nose is fastened to the riser with screws driven in the from the back. Remove the nose by cutting it in sections with the jigsaw, then spin off the pieces:
Two screws held the nose at stringers, so I couldn’t just spin off these pieces. The solution is to break the nose in pieces with a wood chisel and flat blade screw driver. The screw driver is able to reach where the chisel can’t and I wanted to avoid damaging the chisel by hitting a screw:
A Dremel tool and cutoff wheel is used to cut off the screws:
The screw shanks are then ground flush with the riser:
Undercut the Door Jambs
The door jambs and casing must be undercut to fit the RetroTread. An oscillating multi-tool blade is set on a scrap RetroTread block to get the correct height, then the jambs are cut. Shims were needed to level the block on the plywood riser because it was a bit lower than the subfloor:
RetroTread Top Stair Landing Fitting
I made a cardboard template for the stair landing tread. Mark the top/front of the template so you don’t get it backward when marking the RetroTread for sawing.
Fitting the template was a bit of trial and error as I fine tuned the notches to fit around the 2×4 wall sole plate with scissors. Scrap pieces of treads and risers will be used for the mockup:
The cardboard template is checked for fit around the 2×4 sole plate while ensuring it’s even with the Riser. A 1/8″ gap between the template and sole plate allows for fine adjustments when installing the wood tread:
The RetroTread to carpet transition diagram illustrates how the landing step is assembled:
And the mockup using scrap pieces:
The door jamb notches are traced on back the RetroTread, then the notches are cut. I made most of the cuts on the table saw then finished the interior corners with a handsaw:
The stair landing tread is ready for dry fitting:
A perfect fit! The RetroTread spacer blocks are needed because the risers rest on the tread:
Oak threshold floor moulding will be used for the wood stair to carpet transition. The carpet was cut on the long side when it was pulled off the stairs. It will be trimmed to fit under when the RetroTreads are installed with adhesive and brad nails.
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