RetroTread Stair Remodel – Landing Tread to Carpet Floor Transition

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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:

  1. How to Remodel Carpeted Stairs with Wood RetroTreads
    RetroTread remodeling overview, installation options, staining and finishing.
  2. Carpet to Wood Stairs Remodel – Saw off Old Stair Nosing
    Remove the carpet, saw off the old stair noses and sanding the stairs.
  3. 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.
  4. 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.
  5. 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 landing nose must be removed to install the Young Mfg. RetroTreads and Risers per my installation diagram as described in the project introduction.

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:

Carpet to Wood Stair Remodel - Cut Landing Step Nosing with Jigsaw

Carpet to Wood Stair Remodel – Cut Landing Step Nosing with Jigsaw

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:

Chisel Stair Nosing off Wood Screws

Chisel Stair Nosing off Wood Screws

A Dremel tool and cutoff wheel is used to cut off the screws:

Cut Stair Nose Screws using Dremel Tool Cutoff Wheel

Cut Stair Nose Screws using Dremel Tool Cutoff Wheel

The screw shanks are then ground flush with the riser:

Grind Wood Screw Shanks Flush with Stair Riser

Grind Wood Screw Shanks Flush with Stair 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:

Young RetroTread Install - Undercut Door Jamb with Oscillating Multi-Tool

Young RetroTread Install – Undercut Door Jamb with Oscillating Multi-Tool

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:

Stair Landing Tread Cardboard Template for Fitting Young RetroTread

Stair Landing Tread Cardboard Template for Fitting Young RetroTread

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:

Young RetroTread Stair Landing Door Jamb Template

Young RetroTread Stair Landing Door Jamb Template

The RetroTread to carpet transition diagram illustrates how the landing step is assembled:

RetroTread - Top Stair Landing to Carpet Transition Moulding Diagram

RetroTread – Top Stair Landing to Carpet Transition Moulding Diagram

And the mockup using scrap pieces:

RetroTread Stair Landing Fitting at Door Jamb using Cardboard Template

RetroTread Stair Landing Fitting at Door Jamb using Cardboard Template

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:

RetroTread - Stair Landing Tread Cardboard Template to Fit Door Jamb

RetroTread – Stair Landing Tread Cardboard Template to Fit Door Jamb

The stair landing tread is ready for dry fitting:

RetroTread Stair Landing Tread Notched to Fit Under Door Jambs

RetroTread Stair Landing Tread Notched to Fit Under Door Jambs

A perfect fit! The RetroTread spacer blocks are needed because the risers rest on the tread:

Young RetroTread Install - Door Jamb Dry Fitting at Stair Landing

Young RetroTread Install – Door Jamb Dry Fitting at Stair Landing

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.

Young RetroTread Stair Landing - Threshold Moulding Transition to Carpet Floor

Young RetroTread Stair Landing – Threshold Moulding Transition to Carpet Floor

Next up: Carpet to Wood Stair Remodel: How to Install RetroTreads and Risers.

Take care,

Bob Jackson

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