Final Adjustments and Finishing
From Under Stair Storage · Step 7 of 7 · Video by The Wood Whisperer

Showing 8:36–9:13 of the source video. Watch the full video with every moment.
What happens in this clip
Perform final adjustments to ensure all drawers and the door operate smoothly and have even gaps. Use a hand plane to finess the edges of the drawer fronts as needed, creating consistent reveals. Add subtle chamfers to the edges of the case and the drawer fronts for a softer, more finished look. This can be done with a hand plane and then smoothed with a scraper or sanding block. Once all surfaces are prepared, apply a hardwax oil finish to all wooden components of the cabinet (case, drawers, door). Use brushes to apply the oil, ensuring even coverage. Allow the finish to soak in for the recommended time, then wipe off any excess with clean rags.
Step 7 of 7: Attach Handles and Finish
Measure and mark the placement for the handles or pulls on the front of each drawer or cart. Drill pilot holes and attach the hardware. If you plan to paint or stain the wood, do so now. Apply primer, followed by your chosen paint or stain, and a protective topcoat for durability. Ensure adequate ventilation during finishing.
Every video in Under Stair Storage
Step 1: Measure Under-Stair Space
- 0:18–0:19 Measure Cubbies and Acquire Drawer Components
- 1:06–1:52 Measure Cabinet Interior
- 0:17–0:37 Measure Closet Space
Step 2: Design Storage Units
- 0:00–0:08 Plan and Design the Storage System
- 0:56–3:20 Planning the Layout and Design Considerations
- 1:52–2:27 Design Pull-out Specifications
Step 3: Select Materials
- 0:00–0:09 Material and Tool Gathering
Step 4: Cut Components
- 0:21–3:56 Rip and Cross-Cut Drawer Components
- 0:40–2:20 Cut and Dimension Wood Components
- 0:29–0:54 Crosscut Plywood for Drawer Components
Step 5: Assemble Storage Units
- 7:16–8:26 Assemble Drawer Boxes
- 5:10–5:34 Assemble Drawer Boxes
- 3:10–4:31 Construct Drawers and Pull-out Trays
Step 6: Install Storage Units
- 12:07–12:15 Insert Pull-out Shelves
- 9:51–10:15 Install Drawer Boxes into Cabinet
- 0:58–1:07 Install Drawer-Side Slides and Insert Drawers
Step 7: Attach Handles and Finish
- 12:49–13:28 Final Sanding and Finishing
- 8:36–9:13 Final Adjustments and Finishing (this video)
- 6:31–6:47 Attaching Drawer Pulls (Knobs)
Questions about Under Stair Storage
The project summary lists an estimated time of 4 minutes, but it seems more complex. How long should I realistically expect this project to take?
The 4-minute estimate is likely a typo. Given the design, cutting of plywood, assembly of units, and installation, this intermediate project typically requires several hours to a full weekend, depending on your experience and the complexity of your design. Plan for at least 8-16 hours of work spread across multiple sessions.
What are the most important safety precautions I should take when building under-stair storage units?
Always wear safety glasses when operating cutting tools to protect your eyes from flying debris. Use gloves to prevent splinters, and ensure your work area is well-ventilated if using adhesives or finishes. When installing, securely anchor the units to the studs or solid framing to prevent tipping.
What kind of wood is best for these storage units, and how can I estimate material costs?
For durability and a good finish, 3/4 inch birch plywood, as listed in the materials, is an excellent choice. You'll need to precisely measure your under-stair cavity to calculate the exact amount of plywood, drawer slides, and caster wheels required. Expect material costs to vary, but budget a few hundred dollars depending on hardware quality and wood choice.
How do I accurately measure and design the storage units to fit my unique under-stair space, considering the slope?
Start by measuring the height, width, and depth of your stair cavity at multiple points, as walls are rarely perfectly square. Account for the stair's slope by creating a template from cardboard before cutting your final materials, ensuring your units will slide in and out smoothly without catching.
What are common mistakes DIYers make with under-stair storage, and how can I troubleshoot them?
A frequent mistake is inaccurate measurements, leading to units that don't fit or operate smoothly. Double-check all measurements before cutting and create a detailed cutting plan. If drawers stick, check if slides are level and plumb, and ensure there's enough clearance around the units.
Are there alternative materials or drawer mechanisms I can use if plywood and standard slides aren't ideal for my project?
Yes, for a different look or budget, you could consider solid pine boards for a rustic feel or MDF for painting, though MDF is less durable. Instead of traditional drawer slides, you could build simpler pull-out bins directly on caster wheels, or opt for fixed shelving if full drawer access isn't a priority.
Why are items like 'Designer Stencils' and 'Primed Baseboard Moulding' listed, and how are they typically used in this project?
These items are for aesthetic enhancements. Designer Stencils could be used to add decorative patterns to the drawer faces or the inside of the units. The Primed Baseboard Moulding would likely be used to trim out the exterior opening of the under-stair cavity, giving the installed units a more finished, built-in appearance.
Under Stair Storage
This project involves designing and building custom drawers or pull-out carts to maximize storage space within the often-underutilized area beneath a staircase. The process includes measuring the space, designing the storage units, selecting appropriate materials, cutting and assembling the components, and installing them into the stair cavity.
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