Using plywood in built-up beams - Fine Homebuilding
Jan 1, 1995 · To compare built-up wood beams, I multiply beam width by beam depth squared, and then I divide the product by 6. A triple 2×10 beam has a bending-resistance factor of 64.2; add plywood between the 2x10s, and the factor increases 15% to 73.7. A beam of four 2x10s and no plywood has 18% more bending resistance than three 2x10s with plywood, but ...
1/2" VS 5/8" Roof Decking - Fine Homebuilding
Mar 28, 2005 · 1/2″ VS 5/8″ Roof Decking. My builder is essentially over-building the framing on our new house – which I am not complaining about. However, he started the roof decking over the weekend and is using 15/32″ plywood. Rafters are 16″ on center. Roof will architectural composition shingles.
Roof Sheating: 1/2″ or 5/8″? - Fine Homebuilding
Feb 2, 2007 · Granted, 1/2" plywood, or maybe even 3/8 OSB, might be plenty strong enough for the application, and meet code. But to blindly say that if it's TO CODE it therefore is as strong or long-lasting as any other alternative flies in the face of the mentality that this board represents - namely that the CODE is the MINIMUM ACCEPTABLE, but not ...
How to Cut Window and Door Openings With a Router
Jul 18, 2018 · Here’s how to do it. First, install the panel pilot bit in a router with a 1/2-in. collet, a plunge base, and at least a 1-3/4-hp motor. Then, set the bit depth so the bit’s tip will penetrate entirely through the sheathing, the pilot will ride against the framing, and the cutter (or cutters) will contact the full depth of the sheathing.
1/2" CDX Ply or 7/16"Oriented Strand Brd - Fine Homebuilding
Apr 7, 2003 · Regaurding your original choice between 1/2" plywood and 7/16" osb-----I would have to narrowly prefer the 7/16" osb.-----but really thats choosing between 2 un-appealing choices. sort of like choosing between being slapped with a 2 day dead fish-- …
How to Install Wall Sheathing - Fine Homebuilding
Jan 31, 2017 · Wall sheathing starts with making sure the underlying wall framing is square. The first sheet should hang below the bottom wall plate to tie into the framing below. A line snapped across the studs orients the top of this sheet. The second row of sheathing should be offset at least three stud bays from the first.
How to Get Sturdy Walls Without OSB - Fine Homebuilding
Jul 6, 2022 · In addition to costing less than OSB or plywood at present, continuous exterior foam insulation slows thermal bridging through framing members, adds an R-value of R-4 or R-5 per inch, and simplifies vapor control. In my case, 1-in. of R-5 foam with R-15 cavity insulation performs better than a 2×6 wall with R-19 cavity insulation.
Flooring Over Plank Subfloor - Fine Homebuilding
Sep 10, 2019 · If the board subfloor is in poor condition, use plywood as a clean, flat surface to glue down 1 ⁄ 2 -in.-thick engineered flooring. If the subflooring is in good shape, nail it down without the plywood, assuming the engineered wood is of good quality and 1 ⁄ 2 -in. thickness or more. If the current subfloor has tongue-and-groove hardwood ...
Reshingling an Old Roof Sheathed in Boards - Fine Homebuilding
Sep 30, 2022 · Most instructions that I checked allow their shingles to be installed over a solid-wood-plank roof deck, provided that the boards are nominal 1 in. thick (3/4 in.) but no greater than 6 in. nominal width (5-1/2 in.). It looks like Jeff_40’s roof planks are 8 in. wide so they would not meet this requirement.
How to Prep a Plywood Subfloor for Tile - Fine Homebuilding
Plywood is one form of underlayment the Tile Council of North America‘s handbook allows for in homes with joists that are spaced 16 in. O.C. The go-to product is 1/2-in. void-free underlayment-grade panels, which both stiffen the existing floor and provide uniform support to …