#Attaching deck rails install#
The deck board was removed to better align the guard post and install the bolts and hold down anchor. The upper 1×2 strip is fastened with a single screw so I can rotate it vertically to slip it between the pickets, then turn it horizontally so it rests against the pickets to keep the post from falling outward. The lower 1×2 block holds the guard post at the required height and bears the weight of the post on the 2×10 beam. I solved the problem by fastening 1×2 support braces with Simpson Strong-Tie SD #9 x 1-1/2 inch screws to hold the guard post in place until I installed the 1/2 inch bolts (see next photo). I’m working alone and needed three hands to install the guard posts. Simpson Strong-Tie DTT2Z deck tension ties.Tape measure, hammer, spirit level, clamp (to hold the post against the beam so it doesn’t move while drilling through the beam).I’m using 10 inch long bolts although 8 inch bolts would be long enough. 1/2 inch galvanized bolts with washers and nuts.The tools and materials needed to install the guard post are: Simpson Strong-Tie DTT2Z deck tension ties (“hold down anchors”) are installed so the post and rail will resist a 200lb load per Figures 30 and 31 on page 16 of the Georgia Prescriptive Deck Code. The guard posts will be fastened to the deck with 1/2 inch galvanized bolts with washers and nuts spaced not more than 6 feet apart. The drill guide made straight holes through the post which I couldn’t do freehand. Build Deck Rail – Drill Bolt Holes with Wolfcraft Drill Guide
#Attaching deck rails code#
See Figure 29 “Guard Post Attachment Detail” on page 15 the deck building code link (above) for guard post bolt placement requirements.
Two holes are drilled using the Wolfcraft Drill Guide with a wood spade bit.
The guard posts were cut with my DEWALT compound miter saw then I measured and marked the positions for the 1/2 inch bolts with a combination square. Deck beams and rim joists are two different framing elements in the deck building code (see Figures 2 & 3 on page 4) although the 4×4 guard post attachment with bolts and Simpson deck tension tie connectors is the same. The measurements are explained in this deck rail profile drawing: Wood Deck Rail Profile Drawingĭeck Beam vs Rim Joist terminology: My deck was built using 2×10 lumber for the deck beams that also serve as rim joists. This gave me two 4×4 guard posts per 8 foot piece of lumber with scrap. I measured and sawed 46-1/4 inch long guard posts that ran from the bottom edge of the 2×10 beams to the rail cap. The existing deck rail is 37-1/2 inches high so I was able to install the guard posts before tearing off the rail cap and pickets. The minimum height from the deck boards to top of the guardrail is 36 inches per the Georgia deck code (see Figure 27 on page 15). I bought 8 foot long #1 grade pressure-treated Southern Yellow Pine 4×4 posts from a local lumber yard. Two 4×4 guard posts were removed to fix the sagging deck and I needed to make repairs, so I decided to tear off the old deck rail in sections and build a new rail in compliance the deck building code with a nicer looking 2×6 rail cap. The house was built in 2000 and the deck rail predates the current deck code construction requirements.
#Attaching deck rails how to#
Also see the project introduction at How to Repair a Sagging Wood Deck. This project is continued from How to Drill Accurate Holes for Deck Post Bolts. The old deck rail is torn off and rebuilt to the current deck code requirements per the Georgia Amendments Prescriptive Deck Details based on the 2012 International Residential Code for a safer deck.
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