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Joists

What goes underneath a floor is as important as the finish material. Ceramic and stone may require additional subfloor support. Vinyl and carpeting may tolerate truss systems with larger joist spacing. Wood and laminate floors work well on a plywood or OSB subfloor installed over wood joists or a slab foundation.

Articles

Selecting a Subfloor

Selecting a Subfloor

material. Not all types of joists and subfloors are appropriate tolerate engineered floor truss systems with larger joist spacings, such as 24 Council recommends using joists that are 16 inches on OSB subfloor over wood joists or a slab-on-grade

Computing the Spans

Computing the Spans

better Southern pine or Douglas fir Joist : 2x6 If joists are spaced: 16" Span: 9-1/2' Joist : 2x6 If joists are spaced: 24" Span: 8' Joist : 2x8 If joists are spaced: 16" Span: 13' Joist

Choosing Fasteners

Choosing Fasteners

framing hardware. Attach joists to the side of a ledger or beam using joist hangers . At the corner either cut a joist hanger in half using tin snips an angle bracket . Angled joist hangers accommodate joists that attach at a 45-degree

Choosing Fasteners

Choosing Fasteners

framing hardware. Attach joists to the side of a ledger or beam using joist hangers . At the corner either cut a joist hanger in half using tin snips an angle bracket . Angled joist hangers accommodate joists that attach at a 45-degree

Choosing Deck Hardware

Choosing Deck Hardware

anchors help secure joists to beams. Post anchors posts in concrete. Joist hangers offer a secure pocket for joists , while post caps allow screws and bolts, joist hangers, etc.) is s heavy lifting - truss hangers, strap and

Plumbing Codes

Plumbing Codes

may require that you reinforce joists that have been cut to accommodate fixtures. Cutting a notch in a joist greatly weakens it. So whenever possible bore holes through joists instead. This calls for careful long spans may need doubled joists . Codes call for cleanouts at

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Slide Shows

Installing Joists

Installing Joists

on the ledger Materials Joists , joist hangers, screws or nails to attach it to an end joist . Attach to the other joists in the same way. Make inches shorter than the joist spacing to fit between the joists . For instance, if joists

Angled Corner and Joists

Angled Corner and Joists

screws. Cut and install the joists with the crowns up. Attach joist hangers at the ledger is in the way, notch the joists . Cut a joist to length and hold it in of blocking between the joists . Cut a joist to run from the header to

Hanging Joists

Hanging Joists

Measure and cut the rim joists to length. Set one edge of a rim joist on the beam with ends to hold the joists flush at the top. Set the joist on the marks, then place. Attach the joists to the ledger using joist hangers, then tack

Building Beams, Headers, and Outside Joists

Building Beams, Headers, and Outside Joists

with T-brackets and joist -hanger screws on Cut the two header joists to length. Use the the headers with the joist locations indicated Draw an X on the joist side of the line. Cut the outside joists to length -- usually

How to Cover a Ceiling

How to Cover a Ceiling

above the bottom of the joist . A drywall lift takes panel tightly against the joist before you drive the fastener screw the panel to the joists . Work from the center ceiling consists of a truss system, place inexpensive first screw in the truss joist 12 inches from the wall

Framing an Interior Wall with Wood Studs

Framing an Interior Wall with Wood Studs

blocking between the joists . Shifting the wall directly under a joist eliminates the blocking inside faces of the joists where the wall will the center of each joist , then use a utility a surface on the joist onto which you can place between the joists . Space the pieces

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