using 2x4 for deck joists Deck Joist Sizing and Spacing

The layout term for joists is On Center, which is the center-to-center measurement from one joist to the next. Most decks use 16" on center spacing for joists. Most decking is not strong enough to support longer spans than 16". Some builders .

How to Select Lumber for a Deck | Better Homes & Gardens

We'll walk you through the best ways to select lumber for a deck, examine quality, and more. . Use lumber rated for ground contact for posts and framing members within 6 inches of the soil. . 1-1/4" 2x2 1-1/2" x 1-1/2" 2x4 1-1/2" x 3-1/2" 2x6 1-1/2" x 5-1/2" 2x8 1-1/2" x 7-1/4" 2x10 1-1/2" x 9-1/4" 2x12 1-1/2" .

Decking joist size & supports | DIY Doctor UK DIY Forums

I do not want to cover the airbricks and so plan to put a joist just below these but it only leaves me enough space for a 10cm hight. The joists will be 4.2m long. Can I use 10cm joists (2x4's) as the instructions I have read .

Sizing Posts | Professional Deck Builder | Foundation, Framing .

With higher decks, I build the frame on temporary 2x4 posts so I can plumb down to find the exact pier locations. . using the same methodology with 2x12 framing, I'd allow 4x4 posts at heights of about 4 feet for southern pine or Douglas fir .

2 x 4 for floating deck using Deck Block Possible? -

17 Mar 2013 . If I absolutely have to use 2 x 6's, is it okay to bury the extra 2 inches of the deck block in the soil? I live in Seattle where . Secondly you will have to have many, many deck blocks along the length of each 2x4. In fact you may .

How to Attach a Beam to a Post for a Deck - YouTube

22 May 2015 . Jason is a contractor, host of decks, Docks & Gazebos on Cottage Life TV and fan of the channel, so we asked .. Why would you use washers on a carriage bolt? .. So by notching the 4x4 post you basically made it a 2x4.

Building a Deck on Grade | JLC Online | Decks

Helical piers and a trenched beam provide solid support for a curved ground-level deck. . Double-band construction, using joists attached with hangers to a double rim, would require the least height. .. Before installing the mid-span blocking, he laid a straight 2x4 on edge, across the deck and perpendicular to the joists, .

building a low (on the ground) deck - Community .

15 Apr 2006 . One idea that I have is to cover the area (about 10'x10') with gravel and build a 2x4 treated wood frame on the gravel. And then use . Use a decking that will span 24" O.C. to reduce the amount of plastic lumber you need. .. Redwood 2X6 will span 24", so lay your joists at 24" O. C. Select your joist size.

Low Profile Deck Using 2X4 Joists -

26 Jul 2009 . I want to build a low profile deck at the back of my house but I don't have enough room from the door sill to the ground to use 2X6 joists. Would 2x4.

How to Buy Decking Boards Lumber The Family Handyman

Pressure-treated lumber is the logical choice for the structural part of your deckthe posts, joists, beams and other .. If your joists are spaced at 24 in. or you're running your deck boards at a diagonal, you may need to use 2-by (1-1/2 in. thick) .

Two Decks, Many Lessons | Professional Deck Builder | Codes and .

1 Mar 2010 . The original decks were framed with 2x6 joists, and I saw no reason for change. . That seems to be true even if you use the latest guardrail-post connectors from Simpson Strong-Tie (800/999-5099, or USP .. Instead, I simply screwed my 2x4 top and bottom rails to the deck side of the posts.

The ABCs of Deck Building | Better Homes & Gardens

To achieve that, if you're using 2x4 decking, your joists should be placed 24 inches apart. If you purchase wider deck boards, such as 2x6s, you can plan 36 inches between joists. joists. The heftier the lumber you use for joists, the longer the .

Estimate and Build a Deck in 7 easy steps | Dengarden

5 Apr 2016 . In the future we can use these posts (under the deck) to build a frame with lattice. Or using our .. We could make our own joist hanger by screwing a 2x4 along the bottom of the ledger and cutting a notch in each joist to fit.

Are Joist Hangers Necessary - 2017 Joist Hangers Tips - YouTube

13 Mar 2017 . using rafter hangers and jiffy simpson strong tie z max 2 in18 gauge galvanized h1z 18 hurricane how to build a simple deck prescriptive residential wood construction guide. Place the beam above and use joist hangers to .

Steps to Build a Ground-Level Deck at The Home Depot

Follow our steps to building a ground-level deck, which can greatly expand your outdoor living area. . Use manufacturer-approved hardware and fasteners for all wood products. . Attach joists angle brackets - Build Ground-Level deck.

Joist Layout for Stronger Decks | Professional Deck Builder .

20 Mar 2013 . (The most common cause of deck collapses is the structure pulling away from the building, not joist failure.) Even a . Another option for determining spans is to use the span charts in the American Wood Council's DCA6-09, .

Can I build a deck from reclaimed 2x4's? - Home Improvement Stack .

Unless it is cedar, you likely won't get much life out of it as a decking material--unless you have plans to . The 2x4 also wouldn't make for a sufficient floor joist, so you'd have to use new structural lumber for that anyways.