Floor Thickness Wood Construction

Such methods use a 4 foot design module which governs a 16 inch spacing of joists.
Floor thickness wood construction. 3 4 inch solid this is a 3 4 inch thick solid piece of hardwood floor and what you might typically think of for hardwood floors. There are two main types of subflooring plywood and oriented strand board or osb. The national wood flooring association s brett miller explains why minimum building code for joists and subflooring isn t always sufficient for wood flooring. Some newer homes have manufactured i beam shaped joists.
A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals. Construction adhesive is used between the joists and the subfloor but it does not measurably add to the thickness of the floor. The building code requires 5 8. Keep in mind that for mechanically fastened floors osb doesn t hold fasteners as well as plywood so you need to use a thicker material to get the same holding power.
Depending on if what the floor finish will be tile hardwood or carpet there are different recommendations for the actual thickness of the plywood you ll need. Laminate floors with a thickness of 12 mm to 15 mm feel more like hardwood floors than thinner laminates. The first approach to achieving a strong durable struc ture involving economical use of materials is to follow a basic modular plan for layout and attachment of framing members. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home.
Because solid floors expand more when exposed to moisture than engineered floors you can only install them over a plywood subfloor at or above ground level. Wood construction data 1. The heaviest rating is for 7 8 inch thick panels for which joists can be spaced 32. Usually manufactured in 4 by 8 foot sheets plywood panels and osb are acceptable subfloors for hardwood flooring as long as they are the proper thickness.
Details for conventional wood frame construction. Is 23 32 inch osb or plywood. For joist spans 16 inches or less nwfa recommends minimum panel thickness of 5 8 inch plywood or 23 32 inch osb. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s.
For retrofitting older construction 23 32 and 3 4 inch thick panels can be used over 24 inch on center joists. Joists in home construction are usually made with 2 by 10 or 2 by 12 lumber. Both come in 4 by 8 sheets and feature tongue and groove installation.