What Is Sheathing Plywood? Uses, Thickness and Cost

Close-up view of exterior wall framing with plywood sheathing partially installed.

Sheathing plywood is a structural wood panel used for wall and roof framing. It strengthens the framing system, distributes loads, and provides a base for siding or roofing materials. It is commonly made from CDX-grade plywood and typically ranges from 3/8-inch to 3/4-inch thickness. If you’ve ever built a house, shed, or garage, you’ve probably … Read more

CAT Plywood Explained: PS1-09 Thickness Guide

Composite image showing plywood performance category stamp (PERF-CAT PS1-09), digital caliper measuring 23/32 inch plywood thickness, sanded vs unsanded panels, and structural subfloor installation

CAT plywood is the industry term used to describe plywood performance category ratings under the PS1-09 standard. If you’ve ever wondered why a sheet labeled 3/4″ actually measures 23/32″, the answer usually comes down to CAT plywood thickness tolerances. While many woodworkers focus on species or face grade, CAT plywood classifications control manufacturing consistency, thickness … Read more

Sawdust Uses: Smart Ways to Reuse Wood Dust at Home

Pile of clean sawdust on a woodworking bench next to basic hand tools.

If you work with wood even a couple of times a month, you already know how fast sawdust piles up. Sand a tabletop? Dust. Trim a sheet of plywood? More dust. Cut hardwood on the miter saw? Dust everywhere — in your hair, on your shoes, on that cup of coffee you forgot to cover. … Read more

Chipboard vs Plywood: Strength, Weight, Price & Uses

Side-by-side view of chipboard and plywood boards labeled for comparison, showing the difference in grain, texture, and color.

Plywood is a term used to describe all types of wood for residential construction projects, but, despite the different types available, it’s not the same as chipboard. Both chipboard and plywood use various materials and undergo different construction processes. This impacts the core density, load-bearing capacity, appearance, moisture resistance, and overall finish.  Choosing the best … Read more

Heat Resistant Plywood: Safe, Durable, DIY-Ready

The Moment I Learned Regular Plywood Has Limits Years ago, I trimmed out a wall beside a freestanding wood stove using “good” birch cabinet-grade plywood. Looked flawless for a month—then the edge nearest the stove started to darken. Eventually, the veneer bubbled like toast under a broiler. Nothing caught fire, but the message was clear: … Read more