Attaching Deck to Concrete House Foundation
- Drop the ledger level to allow it at least 2″ gap between the deck boards top and the bottom side of a door. ...
- Then install the drip cap over the ledger top of entire length. ...
- Now anchor the deck joists with joist hangers to the ledger by filling the hole with joist hanger nails.
How do you attach a deck post to concrete?
Using that tiny L-bracket to attach a deck post to concrete is like using a piece of thread to hold a cruise ship to a pier. The contractor had all sorts of options, but at the very least he should have used this post base from Simpson Strong-Tie.
How do you attach a deck to a house?
Properly attaching a deck to a house requires a ledger board, flashing, and the proper fasteners to make the deck safe and meet code. The wood on the home has to be in good shape before attaching a deck to it. A ledger board is a piece of 2×8 material at the minimum that attaches the deck to the house.
Can you put a deck on a concrete footing?
It’s important to note that patios and pre-cast concrete piers do not qualify as proper footings for deck construction. To anchor posts to concrete footings, you need to use a post base connector.
How do you mount a deck frame to a concrete foundation?
The first, and probably most important, tool that you’ll need access to in order to mount the deck frame to the concrete foundation is a rotary hammer drill. A rotary hammer drill produces a pounding force while drilling that makes it an excellent tool for effectively drilling into (or through) concrete.
Do deck fasteners need to be approved?
The fasteners must be approved for a wet-use, exterior environment and must provide appropriate corrosion protection.
Can I attach a deck to a concrete block foundation?
Can I attach my deck to a hollow block concrete foundation? Yes, there are products available for anchoring a ledger board to hollow concrete block foundations (concrete masonry unit, CMU). There are a handful of manufacturers that produce epoxy and other adhesive anchors that are tested for use in hollow CMU.
Builder Mike Guertin outlines code-compliant ledger and lateral-tie details for all types of deck builds
Synopsis: Mike Guertin details the most common ledger and lateral-tie requirements for building decks on most homes, including location and spacing of lag screws, and attachment details for 1500-lb. and 750-lb. connectors to solid lumber and to web trusses and i-joists.
Ledger Basics
The specified location of the lag screws or through-bolts ensures there’s enough ledger wood above the top row of fasteners and enough rim-joist wood below the bottom row of fasteners to reduce splitting. In addition, there are minimum and maximum distances the two rows of fasteners can be spaced apart.
