Floor Joist Alternatives

Also called dimensional lumber these floor joists are easy to get and require no special design for installation.

Floor joist alternatives. With the wide range of joists used in house construction i thought i would show three common alternatives to traditional timber joists. These are the right choice for both residential and non residential floor and roof joist construction. Joists are horizontal supports that span from wall to wall wall to beam or beam to beam. It has the added benefit of being adjustable onsite.

Sistering is the process of installing a second joist to each existing joist and is the best method for reinforcing an existing floor. Dimensional floor joists are the old method for framing floors. Let s examine three of these materials. Engineered floor joists a better alternative ad 1 modern technology has improved the materials available to the construction industry.

Other than engineered joists which are also made of wood products the only alternative are steel i beams with a wood nailer. Modern alternatives are lighter use less wood and can span greater distances than the solid joists. Open joist triforce. That is of course you want to go complete commercial with steel and concrete panel floors.

Basically a tree is cut down and milled to produce 2 10 s or 2 12 s. These composite joists are lighter and use far less timber than a solid joist for an equivalent span. Generally newer home floor joists are made from 2x8s or new engineered i beams older homes however may have 2x6s instead. Engineered floor joists are one of these new wonder products that give the architect.

Using the same size material and using one size smaller. Engineered wood products have pushed the design boundaries to lengths that seemed unachievable a few short years ago. While it is a good idea to replace rotted material with 2x8s it may require some notching to fit between the sub floor and ledger board. A compelling engineered wood floor alternative triforce costs less than open web trusses yet is as strong and as rigid.

There are 2 ways to sister joists. You better have a very fat wallet and an engineer to sign off for the modification in mass. Here are some alternatives to floor joist replacement that will save money and keep you from tearing up the entire floor. Engineered joists are straighter more uniform resist warping and twisting and provide a larger nailing or gluing surface when compared to standard dimensional lumber used for wood floor joists.

The installation methods are pretty standard and are therefore known by most carpenters. I joists provide a high performance alternative to dimension lumber joists for floor and roof applications.