Information on using our Strong-Drive® SDS screws for joining multiple SCL (structural composite lumber) members together to make a beam.

Dec 14, 2025 · For fasteners, 16d nails are commonly used for attaching LVL beams together. Adhesive can also be used in conjunction with nails for added strength. Screws and bolts are other options, but …

5) Uniform loads in table represent the capacity of the fasteners. The capacity of the LVL or PSL beam may be less and should be checked by a qualified designer or with the manufacturer's literature.

Top and bottom rows of fasteners should be as shown in the fastener clearances detail. For staggered fastening patterns, the maximum end distance applies to all rows.

When properly connected, double the values for two-ply beams, triple for three. Minimum bearing lengths shown for one-ply will be the same for two-ply and three-ply.

Connections for wood members shall be designed in accordance with the appropriate methodology in Section 2302.1. The number and size of fasteners connecting wood members shall be not less than …

They should be hot zinc galvanized for ACQ treated lumber, or use a number 10 wood screw that's at least three inches long, set them at 16 inches on center distances from each other. You can use a …

Sep 6, 2024 · It is recommended to leave a minimum of 16 inches between each rafter. This will ensure adequate support for your roof. It is also helpful to mark the angle of each rafter on the top of the …

When making one beam out of more than two LVL beams, you’ll have to use a specific pattern to ensure cohesion and durability, as well as the appropriate length of nails or wood screws for the job.

FlatLOK delivers strong, code-compliant connections for multi-ply LVL, girder trusses, and multi-ply lumber beams. Approved for single-sided installation.