One way This Old House general contractor Tom Silva ensures that mason's strings and deck framing are square when he is building a deck is by employing the 3-4-5 rule .
To cut the beams to the right length, start by setting the end of a straight joist against the house at the edge of the deck layout. Square it by marking the house 6 feet from the deck corner and marking the joist 8 feet from the corner. Adjust the joist until the diagonal between the marks measures 10 feet. Mark and cut the beams.
How to Square Up Deck Framing + Plumb & Level Deck Design-Build Online Guide. DECK LEVEL PLUMB SQUARE-UP - CONTENTS: how to get a deck or porch framed square, plumb .
Make sure that the outside dimensions of the deck frame - from corner to corner - are exactly the same. It is a good idea to have the dimensions of your frame in multiples of the deck board width. For instance, with 150mm deck boards, the frame should be built to match.
How to Build a decking frame - design and construction. . This will ensure that you have your deck base square, level and with no bumps or hollows in the joists.
The single most-important framing member is the ledger board. Once installed, it acts as a guide for a deck frame that’s level and square. It’s a good idea to mark joist locations on the ledger and on the front-facing rim joist before installation, when you can lay the framing members side-by-side on a pair of sawhorses.
How to Build a Deck: Post Holes and Framing. . the house at the edge of the deck layout. Square it by marking the house 6 feet from . the frame on the beams with .
How to Lay Deck Boards on a Deck That Isn't Square. . all of the joists to the same length and re-install the rim joist on the ends so that the frame is square. .
How to build a deck. Follow our step-by-step DIY guide to building a raised timber deck for your garden. . Check the frame is square by measuring from corner to corner.
Build a Deck - Lowe's. Learn some deck-building basics - good information to know whether you do it . Measure 3 feet along one side, 4 feet along the other. if the .