DIY Stair Post Kid's Desk – HGTV

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DIY Stair Post Kid
Step up your space with this custom desk made from repurposed stair parts.

Get step-by-step instructions at


stain-grade plywood
stair posts
table saw
chop saw
tape measure
pencil and notepad
caulk and caulk gun
wood filler and putty knife
orbital sander
medium-grit sanding pads
semi-gloss paint
paint sprayer
extension cord
plastic sheeting
wood screws
spirit level
1×3 MDF trim
nail gun
damp cloth
high-gloss floor sealer


1. Determine dimensions: Using tape measure, determine proper height, width and depth for desk in relation to wall, child’s size and the room’s traffic flow. Mark desk’s desired height on wall with pencil. Jot dimensions down on notepad with pencil. Tip: Keep in mind needed clearance for doors and windows.

2. Cut plywood and trim: Referring to dimensions on notepad, measure, then mark plywood and trim pieces with pencil and spirit level. Use table saw to cut plywood to size. Cut trim to size using chop saw and miter corners.

3. Cut posts: Referring to dimensions on notepad, measure post, then mark with pencil. Cut posts to size using chop saw.

4. Attach plywood to posts: With help from a friend, firmly hold plywood still and in place perpendicular to post. Using drill, attach posts to plywood with wood screws directly through plywood and into top of post.

5. Add trim: Using nail gun, attach mitered pieces of 1×3 MDF to front of plywood.

6. Prep for paint: Fill gaps, nail holes and screw holes with wood filler using putty knife. Caulk spaces between trim and plywood with caulk gun. Once wood filler and caulk have fully dried, sand all surfaces using orbital sander and medium-grit sanding pads. Wipe dust from surfaces with damp cloth.

7. Prime, paint and seal: Load primer into paint sprayer, then spray in a steady, controlled manner keeping sprayer eight inches from surface of desk. Once primer is dry to the touch, clean out sprayer, load finish color, then spray two even coats in a steady, controlled manner, keeping sprayer eight inches from surface of desk. Once finish coat is dry, repeat painting steps using floor sealer. Tip: Allow at least 24 hours’ drying time before placing objects on sealed surface.

8. Create and install cleat: Create cleat by cutting one piece of 1×3 MDF approximately two inches shorter than width of plywood top. Place cleat below marked line on wall, attaching it to the wall with drill and wood screws.

9. Attach desk to cleat: Place desk directly on top of cleat. Fasten plywood top to cleat with wood screws driven through cleat into the underside of plywood.

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Source: All About Shawnee