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Final Sanding and Finishing — Attach Handles and Finish

Intermediate4 mins

Part of project

Under Stair Storage · Step 7 of 7

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Perform a final sanding on all exposed wooden surfaces, especially the drawer fronts and handles, to ensure a silky-smooth finish. Then, apply two coats of water-based polyurethane. This finish will protect the wood from wear and tear, moisture, and help maintain its aesthetic appeal over time.

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FAQs

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.