Installing Fascia Board & Fascia Trim Finishes a Deck
Installing fascia board is easy and an important step in building decks. A smooth finished 1x8 or 1x10 fascia board gives any wood deck a proper finished look.
But there are a couple of installation tips for fascia board you should follow to ensure there are no unsightly nails and to ensure the fascia stays flat against the joists and doesn’t separate at the corners.
The Front Section
Use a healthy dose of construction adhesive across the entire rim joist. Make sure you have measured twice, cut and dry fit the fascia board into position before the final installation.
Also, make sure you miter cut the corners at the appropriate angles – either 45 or 22.5 degrees in this case. Notice that adhesive is used along the joint of the opposing fascia board.
45 Degree Corners
Be sure to dry fit this piece of fascia as tightly as possible and then use adhesive all along the back and joints to ensure a solid secure fit.
For the final step of installing ascia board, use galvanized 2” finishing nails and set them into the fascia board about 1/8” of an inch. Use exterior wood filler and cover them up.
In addition to using adhesive, you could also cut ¼” rips at 2” apart down the entire length of the backside of the fascia to further reduce the chances of the fascia board ever cupping or pulling away from the underlying rim joist. It is more labor but made relatively easy if you use a table saw.
After installing fascia board securely in place, you are now ready to cut the over hanging deck boards to length. Mark the cutting line with a chalk line. Cut slowly and lightly sand the edges.
Now that you have learned the ins and outs of installing fascia board, you are ready to start installing the deck boards. Go to Installing the Decking material.
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