PWT I-joists are finely tuned building components utilizing the highest quality materials and latest technology to create predictable and reliable structural members. Top and bottom flanges are made from our own durable Laminated Veneer Lumber (LVL) or finger-jointed, machine stress rated (MSR) lumber. All flange components are tested using a battery of machine grading technologies. PWT I-joists are more stable than dimensional lumber and more versatile than open web floor trusses. Long lengths, and the ability to trim in the field, allow for fast and easy installation. Our wide flange widths decrease subfloor deflection and create a stiffer floor overall.
This portion provides helpful answers to frequently asked questions about our company and products.
Don’t panic! There is technical staff available to help you. Contact the supplier you purchased the product from. They will help you through the process. Expect to fill out a damage report form, take measurements, and send pictures. They will run a calculation and let you know how to proceed.
PWT I-joists are a balanced product and do not have a top or bottom like an unbalanced glulam. However, the web does have pre-punched knock-outs that are closer to one flange. The knock-outs are easier for electricians to use when located near the bottom of the installed joist.
I-joists are used extensively in residential floor and roof framing. They are ideal for long spans, including continuous spans over intermediate supports. Because I-joists are straight and true, it’s easier for builders to avoid crowning and maintain a level framing surface. In addition, wood I-joists are typically stocked and readily available in depths that meet the needs of residential framing. (https://www.apawood.org/i-joist)
I-joists are strong, lightweight, “I” shaped engineered wood structural members that meet demanding performance standards. I-joists are comprised of top and bottom flanges, which resist bending, united with webs, which provide outstanding shear resistance. The flange material is typically laminated veneer lumber (LVL) or solid-sawn lumber, and the web is made with plywood or OSB. The robust combination of structural characteristics results in a versatile, economical framing member that is easy to install in residential and light commercial projects. (https://www.apawood.org/i-joist)
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