Go Back

DIY Outdoor Composite Decking Table

4.34 from 3 votes
Learn how to build a DIY outdoor table with leftover composite decking.
Print Tutorial
gray composite decking pile on top of deck being built with arrow pointing to gray composite decking outdoor table.
Prep:25 minutes
Active Time:5 hours
Dry Time:1 day
Total Time:1 day 5 hours 25 minutes

Equipment

  • Miter saw
  • Cordless Drill

Supplies

Instructions

  • Design table. Each outdoor table is 70 1/2 ” long x 32 1/4″ wide x 29 1/2″ tall.
  • Miter outside composite decking edges of the outdoor table to create a picture frame look.
    Mitered gray composite decking used to create DIY outdoor table
  • Cut your small pieces of composite decking to 21 1/4″. It took 11 pieces to fill our “picture frame”. We put our inside table pieces going horizontal to use the smaller leftover pieces of composite decking.
  • Dry fit table together.
    Composite Decking Table top planed out
  • Start to build base. Cut pressure treated posts to 29 1/2".
    Using a saw to cut pressure treated wood for posts for DIY outdoor table
  • Build frame out of 2 x 4s.
    Create the beginning frame out of pressure treated wood and place on top of composite decking
  • Attach frame to the legs using 3" deck screws.
    Long galvanize screw used to attach pressure treated wood post to outdoor wood table
  • Flip table frame over.
    Table Frame for DIY Outdoor Furniture
  • Add extra 2 x 4 supports inside frame.
    Add an extra 2' x 4' to the inside edge of outdoor table frame
  • Attach the ouside composite decking boards to the frame. You can screw in the top of from the bottom.
    Add mitered composite decking top to pressure treated wood outdoor table base
  • Attach horizontal decking boards with construction adhesive.
    Smaller gray composite decking placed inside mitered table top frame on pressure treated wood base
  • Flip over and prep for exterior stain.
    DIY Tables and bench being built
  • Use a brush to apply exterior stain to pressure-treated wood.
    Dark brown exterior stain being applied to pressure treated outdoor table base
  • Let dry and enjoy your new outdoor table.
    Gray DIY outdoor dining table and benches made with leftover composite decking
Author: Erin Nutter
Cost: $100