Mark a level line at this height along the house.
How to build a deck on my house.
Miter joints at the corners.
If you ve pre planned and are sure you will end with a full sized board you can start against the house and move outward.
Squeeze a bead of polyurethane marine sealant on the top edge of a side rim joist.
Mark the length and position of the deck on the wall of your house with a pencil.
The deck floor level should step down from the internal floor level by at least 75mm to avoid waterproofing problems that may occur due to driving rain.
Measure down the thickness of the decking plus the width of the joists and support beams.
Leave the area for the staircase free of railing.
Mark the width of the deck on the house as well to help you position the frame later.
This notes the top of the posts.
Scarf any joints in the run.
In other cases such as stuccoed houses many builders prefer to build a freestanding deck to avoid the mess and difficulty of cutting and flashing stucco.
Some decks can t be attached directly to the house using ledger boards because of a house cantilever or a brick veneer.
You will need to mark the finished level of the deck floor on the house cladding.
Measure the distance from the wall to the outside of the trim board and add 1 inch for overhang.
To start the decking so that it s parallel to the house align the edge of the first deck board so that it is parallel to the house and run the fasteners in.
Also for small doorstep builds.
To build a deck first you ll need to nail joist hangers in place on a ledger board and attach the board to your house.
The deck should be below the door threshold to keep water out of the house.
Then you ll have to cut the beam that will go opposite the ledger board to the same length and attach corresponding joist hangers.
Cut the deck boards to this length.
Build the deck flooring by laying down the treated decking boards parallel to one another on top of the elevated box frame and screwing down tight with the wood screws.