What Is Floor Sheathing

Sturd i floor is a specialized engineered wood structural panel expressly designed for single layer flooring installations on upper floors where carpet will be laid directly over the subfloor.

What is floor sheathing.

They are not the same. Floor and roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. Uniform load deflection limitations 1 180 of span under live load plus dead load 1 240 under live load only. Plywood sheathing is most often used to construct the structural sub floor.

Rated sheathing or sturd i floor may be used with an underlayment for vinyl ceramic tile or fully adhered carpet. A span rating is stamped on each piece of material you purchase. Sheathing is the board or panel material used in floor wall and roof assemblies of both residential and commercial construction. Plywood is usually used as subfloor today.

2015 michigan building code 23 wood 2304 general construction requirements 2304 8 floor and roof sheathing 2304 8 1 structural floor sheathing 2308 4 7 wood structural floor sheathing structural floor sheathing shall comply with the provisions of section 2304 8 1. A subfloor is a wooden structural substrate to which durable finished flooring is attached. These strands of wood are arranged in layers that are bonded together with resin which helps produce a strong product osb or oriented strand board is unlike traditional plywood in that it has no laps gaps knots or voids. Used for sub floors exterior walls and roof decking osb sheathing is a structurally engineered board that is made up of compressed wood strands.

Determining the correct floor sheathing thickness is important to the strength performance and longevity of your structure. Not required to provide structural support but often provides a type of supplementary support. Floor covering or finish floor this is the visible floor the one you see and walk on and can be changed out. Plywood sheathing can either be osb or all plywood.

Plywood sheathing osb or plywood is often mistaken for plywood underlayment. Different plywoods use various materials and methods of manufacture depending on the application for which they re intended. When you remove the floor covering you will see more flooring underneath possibly underlayment definitely subfloor. We will discuss these types of plywood sheathing sub floors and plywood underlayment in this blog post.

The material that you use on your floor must have a span rating. An underlayment is optional for rated sheathing or sturd i floor when used with hardwood. The most basic function of sheathing in any application is to form a surface onto which other materials can be applied.