If you have ever stared at a stamped sheet of CDX sheathing at the lumberyard, trying to decipher what numbers like 32/16 mean, you are not alone. A plywood span chart is one of the most important tools for selecting the correct panel thickness, joist spacing, and roof sheathing layout. Choosing the wrong sheet thickness … Read more
I learned this lesson about plywood thickness vs strength the hard way on a shed floor, not in a textbook. I framed it with 1/2-inch plywood because it was on sale, and three months later, it had a soft spot you could feel through your boots. Thickness and strength are related, but they’re not the … Read more
If you’ve ever stood in the lumber aisle staring at 1/4″, 1/2″, 3/4″, and 1″ plywood, wondering which one won’t sag, warp, or eat your budget — you’re not alone. I’ve built enough furniture (and fixed enough furniture I built wrong the first time) to tell you the honest answer: the best plywood thickness for … Read more
Choosing the best plywood thickness for shed floors is one of the most important decisions you’ll make when building a shed. Building or upgrading a backyard shed represents a major investment of time and money, yet one of the most common structural failures happens directly under your feet. Choosing an inadequate subfloor material or the … Read more
Roof sheathing thickness is one of the most important choices when building or replacing a roof deck. The right plywood or OSB thickness depends on rafter spacing, roofing material weight, snow load, wind exposure, and local building code requirements. Whether you are dealing with traditional asphalt shingles, heavy concrete clay tiles, or wide rafter spacing, … Read more