Install First Tread and Riser

What happens in this clip

Start installing from the bottom step. Apply construction adhesive generously to the existing stair tread. Place the first new stair tread securely on top of the existing tread. Then, apply a bead of construction adhesive along the top back edge of the newly installed tread and along the front edge of the existing step. Insert a small scrap wedge of wood behind the bottom edge of the new riser to provide additional support, ensuring it resists kicks. Apply construction adhesive to the back of the bevel-cut riser and secure it in place with a nail gun. Use finishing nails spaced evenly along the top and bottom edges. The construction adhesive provides the primary bond, while the nails hold the pieces in place until the adhesive cures.

Goal: Securely attach the first new stair tread and riser

What's used

Tools

• Caulk Gun
• Nail Gun Porter-Cable
• Brad nailer

Materials

• Bevel Cut Riser
• modified for fit.
• Construction Adhesive PL (Polyurethane)
• Gorilla Glue Construction Adhesive
• Finishing Nails
• New Stair Tread
• Scrap Wood Wedge

About the full video

This project provides a detailed guide on how to install pre-fabricated stair treads and risers onto an existing wooden staircase. The process involves precise measurement, cutting, and custom fitting of the risers to accommodate the new treads, followed by securing them with construction adhesive and a nail gun. The aim is to upgrade the appearance of a staircase by covering existing unfinished steps with new, decorative wood pieces.

Step 6 of 8: Apply Adhesive and Fasten Treads

Apply a generous bead of high-quality construction adhesive along the top surface of the existing stair substrate, ensuring full coverage. Carefully place the new tread onto the adhesive. For added security, fasten the tread from the top using wood screws. Predrill pilot holes to prevent splitting the wood, and countersink the screw heads so they can be filled later. If you have access from below, you can also use screws driven upwards into the tread, or specialized angle brackets.

Open this step in the guide

Every video in How to Install Treads on Stairs with a Mid-Stair Landing

1. Step 1: Assess Existing Stair Treads

   • 0:00–0:13 Assess Existing Stairs and Planning
   • 0:01–0:04 Remove Stair Covering
   • 0:00–0:56 Assess and Remove Old Stair Treads

2. Step 2: Measure and Template Treads

   • 0:55–1:13 Measure and Mark Tread and Nosing
   • 0:57–1:16 Measure Treads and Mark Laminate
   • 0:29–0:45 Mark and Cut New Stair Treads

3. Step 3: Cut New Stair Treads

   • 1:16–2:13 Measure and Cut New Stair Treads
   • 4:34–5:55 Measure and Cut Treads
   • 2:07–2:42 Mark and Cut Your Treads

4. Step 4: Prepare Tread Surfaces

   • 0:51–0:57 Strip Old Finish from Tread Surfaces
   • 2:06–2:59 Sand Solid Oak Treads
   • 0:33–0:39 Cut & Sand New Treads

5. Step 5: Test Fit New Treads

   • 2:13–2:35 Test Fit and Adjust Treads
   • 1:35–1:41 Dry Fit Tread and Nosing
   • 19:07–19:52 Dry-Fit and Test Treads

6. Step 6: Apply Adhesive and Fasten Treads

   • 2:32–3:28 Install First Tread and Riser (this video)
   • 1:24–1:35 Apply Adhesive and Install Treads
   • 9:53 Install New Treads

7. Step 7: Install Risers (if applicable)

   • 1:24–2:00 Install Risers
   • 0:04–0:08 Measure, Cut, and Install New Risers
   • 3:28–6:52 Install Remaining Treads and Risers

8. Step 8: Fill Screw Holes and Finish

   • 4:25–4:47 Fill Gaps and Nail Holes
   • 5:31–6:06 Apply Finish & Clean Up
   • 1:28–1:50 Clean Up and Finish