Are I-joists cheaper than lumber?
However, the low cost of producing fabricated wood products has made I-beams nearly as cheap as dimensional lumber. Also, engineered joists can be made to nearly any length – 2x10s only go up to 16'. You can find 20' or even 24' lengths, but be prepared to pay.
How much does AI joist cost?
I-Joists, LVL Beams & Glue LamsWe cut custom lengths, use $/ LFTRUSS JOISTS (I-JOIST)$/LF20 FT9 1/2″$5.47$109.4411 7/8″$6.18$123.5316″$8.36$167.1518 more rows•Feb 28, 2022
How far can you span an I-joist?
Span refers to the length of the I-joist. The L/480 table with a 40 per square foot live load and a 20 per square foot dead load with a depth of 11 7/8 inches will give you spans according to joint weight. With these factors, the lightest joist will have a maximum span of 17 feet, 8 inches.
Are I-joists stronger than timber?
Are I joists stronger than timber? I joists are specifically designed to offer strength in areas that dimensional lumber is incapable of. They can span greater distances, and are considered to be 50% stiffer than dimensional timber under traditional frame spacing.
Can I make my own I-joist?
1:224:40What is an I-Joist and How are They Made - Did You Know? - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe veneers are laminated together 14 layers thick under extreme heat and pressure this laminatingMoreThe veneers are laminated together 14 layers thick under extreme heat and pressure this laminating oven is nearly 100 yards long and produces a continuous sheet of flange stock.
What is stronger LVL or I-joist?
The LVL keeps the I-joists in place and gives additional support for the floor. Like the I-joists, the LVL will not bow, crown, or split. The composition of the wood is much stronger than traditional lumber, and therefore can be relied on more.
How much does a 40 foot I beam cost?
Installing steel I-beams costs $100 to $400 per square foot for labor and materials. Materials alone will be less expensive, so if you have the time and skills for a major DIY project, that can help to cut costs. A 10-foot steel I-beam alone will cost $60 to $180, while a 40-foot beam will cost $240 to $720.
How big of a beam do I need to span 20 feet?
What size beam to span 20 ft:- as per general thumb rule and guidelines, a 4 nailed 2×16 or 4-2×16 or 8×16 size of wood beam can allow to span 20 ft. Thus, for a 20 foot span, you will need atleast 4-2×16 or 8×16 size of wood beam.
How much weight can an I-joist hold?
That means the joists can support a minimum of 40 pounds per square foot live load. Though, by consulting the 50 pounds per square foot live load/10 pounds per square foot dead load table, you can see the joists' span would need to be reduced to 11 feet 11 inches to support heavier weight safely.
Are I-joists any good?
I-joists can be a great product for a new home project. Your carpenters will like them because they are lighter…which makes it possible for one person to install. And similar to the floor truss, I-joists can span greater distances than 2×12's.
What are advantages of I-joists?
LP® SolidStart® I-Joists are more versatile than open web floor trusses, and more uniform and dimensionally stable than lumber. They can be trimmed on-site, and long lengths allow ceilings and floors to be designed with fewer pieces, saving installation time.
Are I-joist stronger than 2x10?
Aside from providing longer spans, I-joist and TRIFORCE® floor systems are superior in strength and precision to solid sawn lumber. They are stiffer, lighter and more easily maneuverable. They also provide a bigger nailing surface to attach the floor membrane than the commonly used 2 x 10.
Common I-Joist Applications
I-joists are used extensively in residential floor and roof framing. They are ideal for long spans, including continuous spans over intermediate su...
Fire Protective Assemblies For Wood I-Joist Floors
Learn about several options that enhance the fire performance of I-joist floor systems and comply with the 2012 and 2015 International Residential...
White Paper: Basis of IRC Membrane Protection Provisions
APA, AWC, and WIJMA jointly developed this paper that describes the history, background, and intent of the IRC provisions for fire protection of fl...
White Paper: Code Requirements For Prefabricated Wood I-Joists
APA, AWC, and WIJMA jointly developed this paper that describes the basic code recognition for prefabricated wood I-joists and the need for product...
White Paper: Fire Protection of I-Joist Floors With Factory-Applied Solutions
APA developed this paper that describes the basic fire protection requirements for prefabricated wood I-joists with factory-applied fire protection...
Product Specifications
Learn why LP SolidStart I-Joists are the right choice for your upcoming job.
How It's Made
Gorilla Glue Technology® helps build one of the strongest, stiffest sub-floors in the industry.
Can Engineered Lumber be used in concrete?
Engineered lumber must not be installed in direct contact with concrete or masonry construction per code and shall be used in covered, dry-use conditions only (moisture content less than 16%).
Do all I beam joists have OSB?
All Wood I Beam joists have an enhanced OSB web. Referenced dimensions are nominal and used for design purposes. Not all products are available at all distribution centers; contact Georgia-Pacific for product availability.
US East
To download our VERSA-LAM ® span and size chart PDFs, click on the links below.
US West
To download our VERSA-LAM ® span and size chart PDFs, click on the links below.
BC Calc
BC Calc ® performs engineering analysis to help our customers size beams, joists, columns, studs and tall walls for their building projects. It is simple to use, yet flexible enough to analyze a variety of common applications. The user enters the member geometry, adds loads, holes and other relevant data and then selects a product for analysis.