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Attaching Decking To House: The Right Way To Do It

If you’re attaching decking to house, it’s important to do it the right way. Using nails instead of bolts is a common mistake that can lead to a deck collapse and serious injuries. In this article, we’ll walk you through the steps for attaching a deck, depending on whether you’re working with a new or old one.

The Benefits Of Having An Outdoor Deck

Having a wood deck is a great way to enjoy the outdoors and relax in your backyard. A deck provides a space for you to entertain guests or simply relax with a good book. Additionally, a deck can add value to your home. If you’re thinking of installing a deck, be sure to choose a contractor who is experienced in deck construction. Building decks is no easy feat and having a team to help you attach the deck to a house is crucial.
simple deck attached to house

Attaching A Deck: Tools Required

Attaching Decking to House: An Existing Deck

Make Sure It's Safe

If you’re attaching an existing deck to your home, the process is a little more complicated. The first step is to inspect the ledger board for signs of rot or damage. If your deck has started to sag or shift, there are a few things you can do to brace it against the house temporarily. First, drive 2×4 stakes into the ground at the base of the deck. Then, attach 2×6 diagonal braces between the stakes and the deck. If necessary, you can also raise the deck back to its original height by temporarily installing 2×6 support posts beneath the deck. Just tap the posts into place with a sledgehammer. If the ledger board is in good condition, you can proceed to attach the joists. If the ledger board needs to be replaced, be sure to use bolts rather than nails.

Secure The Ledger Boards

In order to properly secure a ledger board to a sill plate, it is important to drill a clearance hole that is the correct size and position. The hole should be ½-inch in diameter and 3 inches below the upper edge of the ledger, with a slight upward angle. Once the hole is drilled, a galvanized lag screw can be placed into it, along with a washer. The screw should then be driven into the sill plate using an impact wrench. This process should be repeated for each joist bay until the ledger is securely in place. If there is a gap between the ledger and the house foundation, pressure-treated wood filler pieces can be used to prevent the ledger from splitting when it is bolted into place. By following these simple steps, you can ensure that your ledger board is properly secured.
wood deck attached to white house

Attach The Ledger To The Foundation

Attaching a ledger to a masonry foundation is a straightforward process, but it’s important to do it correctly to ensure a sturdy and long-lasting connection. First, use a hammer drill to bore holes through the ledger and into the foundation. Next, tap masonry wedge anchors into the holes and tighten the hex nuts with an impact wrench. Space the anchors 36 to 48 inches apart. Finally, if the existing joist hangers are undersized or corroded, reinforce them with engineered-lumber joist hangers. Slip the hangers over the existing hangers and secure them with galvanized nails. By following these simple steps, you can be confident that your ledger is securely attached to your foundation.

Attaching Decking to House: Tips for Success

According to NADRA, whether you’re attaching a new or existing deck to your house, there are a few tips to keep in mind for a successful installation. First, be sure to use decay-resistant wood for your ledger board and joists. This type of wood will last longer and is less likely to rot or warp. Second, make sure the ledger board is properly anchored to the house.

This will help prevent the deck from becoming detached from the house. Finally, be sure to use galvanized nails or screws when attaching the joists and decking boards. These fasteners are designed to resist corrosion and will last longer than regular nails or screws. By following these simple tips, you can ensure that your deck will be safe and provide years of enjoyment.

attaching decking to house


Now that you know how to attach decking properly, it’s time to enjoy your new outdoor living space! If you have any questions or need help with the process, don’t hesitate to contact a professional. We’re here to help make your home improvement dreams a reality.