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How to Build a Built-In Bookshelf

Add warmth and character to a room by installing built-in bookshelves in an unused corner with these easy step-by-step instructions.

More in Remodeling

Step 1: Measure and Cut the Shelving

Determine the measurements for the shelves, and mark them on the plywood with a straightedge. Be sure to factor in the width of the saw blade: every cut is 1/8" wide. If you plan to attach crown molding, incorporate its dimensions into the overall height.

Use a table saw to cut out the pieces of shelving (Image 1), starting with the longest pieces. Rest the plywood on a roller table or sawhorses to help support and balance it. Use a circular saw if you don't have a table saw, but be sure to set up a fence as a guide for making straight cuts. Use a circular saw to cut out the kick-plate area on the bottom of the unit. Because a circular saw doesn't make a square stop at the end of its cuts, the cutting will need to be finished with a handsaw (Image 2).

Step 2: Cut the Rabbet Joints

Use a radial-arm saw or a circular saw to cut rabbet joints into the ends of the top shelf. Set the saw to make a 3/8" cut, then begin cutting a track into the end of the shelf. Cut straight across the shelf in 1/8" increments until the track is as wide as the thickness of the plywood. This permits the top shelf to rest squarely on the two sides for a more secure fit.

use radial arm or circular saw to cut rabbet joint

Step 3: Drill the Holes for Adjustable Shelving

Mark the location for the center shelf, and use the pegboard as a template for drilling holes for adjustable shelves. Clamp the pegboard in place so that the first holes will be 4" above and 4" below the center shelf. Draw reference lines across the holes in the pegboard to help you keep the holes even. Drill holes 2" from the edge in 2" increments. Use a drill bit of the same diameter as the shelf-support pegs. Drill approximately 1/8" deeper than the length of the pegs. Place a piece of tape or a drill stop on the bit as a guide for drilling to the correct depth. Be sure to adjust for the thickness of the pegboard.

use pegboard as template for drilling holes

Step 4: Attach Support Blocks and the Center Shelf

Attach 1" x 2" support blocks for the center shelf with glue and finish nails (Image 1). Drive the nails until each head is just above the surface of the wood, then use a nail set to drive it just below the surface.

Drill and countersink pilot holes for the top of the bookshelf. Attach it with glue and 2" wood screws.

Apply wood glue to the support blocks for the center shelf, and set the shelf in position. Drill and countersink pilot holes in the side of the bookshelf, and attach the shelf with 2" wood screws (Image 2). Be sure to drill the holes in an area that will be covered when the bookshelf is recessed into the wall.

Step 5: Attach Support Blocks and the Bottom Shelf

Attach support blocks for the bottom shelf with glue and nails. Drill and countersink pilot holes for the bottom shelf, then secure it with glue and wood screws.

Step 6: Attach the Back Panel

Make sure the bookshelf is square, then measure and cut the back panel. Fasten the back panel with 1" brads, starting with one corner to help the bookshelf stay square.

make sure bookshelf is square then cut panel

Step 7: Attach the Trim

Attach 1" x 2" trim pieces to the side and bottom edges of the bookshelf with sixpenny nails and glue. You may want to miter the corners of the trim pieces. The top 1" x 2" board will serve as a nailer for the top trim piece and will be attached during final installation. After the trim is in place, use a router with a 1/2" roundover bit to smooth sharp edges.

Glue and nail a piece of edge molding to the center shelf, being careful not to split the molding.

attaching the trim to edges of bookshelf

Step 8: Install a Kick Plate and Paint the Shelves

Drill and countersink pilot holes for the kick plate so the screw heads will be just below the surface of the wood. Attach the kick plate, then cover the screw heads with wood filler or spackling compound. If the bookshelf is to be placed over a heat register, cut a vent area in the front of the kick plate.

Prime and paint the bookshelf.

countersink pilot holes for kick plate

Step 9: Dry-Fit the Shelf and Prepare the Area

Remove any base molding from the area where the bookshelf will be placed, using a hammer and chisel to remove short sections (Image 1). If you don't have paint that matches the trim, take a piece of the base molding to the paint store to use as a color sample.

Dry-fit the bookshelf to make sure all the measurements are correct (Image 2). This will probably be a two-person job.

Step 10: Attach the Shelf to the Wall

Attach the shelf to the wall by drilling pilot holes through the back corner and into wall studs, then toenailing the shelf to the wall with screws. Don't drill through the inside of the bookshelf.

Step 11: Install the Nailer Board

Measure and cut the nailer board and trim for the top of the bookshelf. Attach the nailer to the top of the shelf with sixpenny finish nails. Use finish nails to attach the trim.

installing the nailer board

Step 12: Finish the Installation

Replace the baseboard trim, cover any nail holes, and touch up any areas that need attention.

Insert the pegs and install the adjustable shelves.

replace trim,cover nail holes and touch up areas

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