How to Make a Wood Beam with 2×8 Boards

A wood beam is a horizontal structural component that spans a space or supports weight in a building project. It is normally constructed from a single solid piece of wood or from a number of boards that have been laminated and bonded together to form a stronger beam.

How to Make a Wood Beam

To support the roof, floor, or walls, create a decorative accent, or give architectural interest to a space, wood beams are frequently employed in residential and commercial construction. A wood beam’s size and strength will be determined by the weight and span that it must support.

Different types of wood, such as cedar, pine, or oak, can be used to create beams with varying aesthetic and functional qualities. Wood beams can add warmth, character, and natural beauty to a building and are a popular choice for many architects, builders, and homeowners.

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How to Make a Wood Beam with 2×8 Boards

Making a wood beam with 2×8 boards is a simple process that can be done in a few steps. Here’s a basic guide to help you get started.


  • 2×8 lumber (the number of boards will depend on the length of the beam you need)
  • Wood glue
  • Clamps
  • Circular saw or handsaw
  • Chisel
  • Sandpaper


Measure and Cut

Measure and cut your boards to the desired length for your beam. Use a measuring tape to determine the length you need. If you are unsure, it’s always best to measure a few times before making any cuts. Once you have determined the length of your beam, use a circular saw or handsaw to cut your 2×8 boards to size. Make sure to cut the ends of the boards at a 90-degree angle so they fit together snugly.

Apply Glue

Apply a generous amount of wood glue to the long edge of one of the boards. Use a paintbrush or your finger to spread the glue evenly across the surface of the board.

Add Layer

Place another board on top of the glue and press them together firmly. Align the edges of the two boards so that they are flush with each other. Continue this process with the remaining boards until you have a stack of boards glued together.

Clamp Tightly

Use clamps to hold the boards tightly together. Place the clamps every 12-18 inches along the length of the boards. Tighten the clamps enough to hold the boards securely but not so much that you squeeze out all the glue.

Dry the Glue

Allow the glue to dry completely. This can take several hours, so be patient. Check the glue bottle for the recommended drying time. Don’t remove the clamps until the glue is fully dried.

Once the glue has dried, remove the clamps. Carefully inspect the beam to make sure it is solid and secure.


Use a circular saw or handsaw to trim any uneven edges on the beam. Use a square to mark the lines that you need to cut, and cut slowly to ensure a clean, straight cut. Be sure to cut evenly on both sides of the beam to maintain its symmetry.

Use a chisel to remove any excess glue that may have seeped out during the gluing process. Place the chisel at a shallow angle and scrape away the excess glue carefully, being careful not to damage the wood.


Sand the beam to remove any rough edges or splinters. Start with a coarse grit sandpaper and work your way up to a finer grit for a smooth finish. Sand the entire surface of the beam until it is smooth to the touch.

Your wood beam made of 2×8 boards is now ready for use in your construction project. Remember to follow proper safety precautions when working with power tools, and always wear protective equipment such as goggles, gloves, and a dust mask.

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Anyone with a basic understanding of woodworking can create a wood beam using 2×8 boards because of how easy it is to accomplish it. The steps include measuring and cutting the boards to size, joining them using wood glue, fastening them firmly, and letting the glue cure completely. The beam is then finished by trimming, chiseling, and sanding.

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