Step 8: Attach the Base and Lower Crosspieces

fitting the base onto the lower crosspieces
Photo: Kolin Smith
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Fit the base into the 3½-inch gaps in the legs so that the ends are flush with the outer edges of the legs. Check the base for level, from front to back and side to side, and make adjustments as necessary. Secure the base by driving 2-inch screws through the front and back of the base and into the inside faces of the legs. Cut all 2x4 crosspieces to size, and fit the lower ones into the gaps in the legs beneath the base. Secure them by toenailing 3-inch screws through the crosspieces and into the inside faces of the legs. Secure the legs to the post anchors with the supplied lag screws, adding shims if necessary.
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    Tools List

    • sledge hammer
      sledgehammer
    • miter saw
      miter saw
    • jigsaw
      jigsaw
    • drill
      drill/driver and 1-inch paddle bit
    • caulk gun
      caulk gun
    • four-foot level
      4-foot level
    • hand clamps
      clamps
    • combination square
      combination square
    • flexible curves
      flexible curve to draw profile for rafter tails

    Shopping List

    All lumber listed is western red cedar.

    2x4s Get twelve 8-foor boards.

    1x4s Get at least four 8-foot boards.

    1x2s Get at least nine 8-foot boards. 2x6s Get three 8-foot boards.

    2x2s Get two 8-foot boards or five 4-foot spindles for the purlins.

    ¼-inch spacers cut from scrap.

    Post anchors Get four.

    Construction adhesive

    Stainless-steel trim-head screws You need three sizes: 1¼ inch, 2 inch, and 3 inch.