ALLJOIST® series Click on the tabs ABOVE to find the specific information for your area.

The ALLJOIST® series (AJS®) I-joists have solid-sawn flanges made largely from black spruce, proven web stock and approved structural adhesives. These joists are designed to provide our customers with premium quality, high performance floor and roof systems that are priced competitively with traditional construction materials. Manufactured in Eastern Canada, the wide-flange ALLJOIST® series is available throughout the Eastern United States.

Features Benefits
Seven (AJS®) Series: (2½”) 140, 150, 20, 190 & (3½”) 25 with deeper depths (3½”) 25 and 30 A complete line of products to satisfy every home building need
Widest I-Joist product Line in the industry Easier to work with on the jobsite because of their wide nailing surface
Light weight Easier to handle; quick construction; lower labor costs
Available in long lengths Simpler floor/roof layouts; increases floor performance and seismic resistance
Consistent from piece to piece: Help keep floors flat and homes square Finish work can go faster with fewer problems; quiet floors
1½” Prestamped knockouts Wiring can be routed through the web; quicker construction, reducing labor costs; allowing airflow above insulation
Holes Allowed in Web Wiring, HVAC, plumbing and other large holes can be routed through the web; no unsightly soffits
“Eased” Smoothed Edges Framers are much less like to suffer splinters on the job
Clean appearance Pleases the structure’s owner which makes the builder look good
Field-Trimmable with carpentry tools Quick, easy job site modification without specialized skills or tools
Renewable resource Uses about half the wood fiber of dimensional lumber (build “green” into the product)
Lifetime warranty Instills confidence in the product, the builder and YOU!

ALLJOIST® Joists (AJS®) in Eastern United States are manufactured in St. Jacques, New Brunswick (Canada). For more information regarding this product, click on the links below.

Product/Specifier/Technical Guides
US ALLJOIST® and VERSA-LAM® Specifier Guide US AJS® 150-190 Product Guide
US ALLJOIST® and VERSA-LAM® Install Guide (ltr size) US AJS® 24 Product Guide
US ALLJOIST® Commercial Guide US AJS® 25 Deep Depths Product Guide
Code Reports
ICC-ES Report ESR-1144 AJS Fabricated Wood I-Joists
ICC-ES VAR Environmental Report VAR-1017
Tech Notes
IJ-1 Shear Transfer Equivalency IJ-2 Span to Depth Ratio IJ-3 Slope Cut Reinforcement Table
IJ-5 Joist to Hip Beam Connection IJ-6 2x Ceiling Joist Connection IJ-7 Drywall Storage
IJ-8 Glue Nail Floor Composite Action IJ-9 BCI® Header Table IJ-10 Rafter Cut Length
IJ-11 Fire Exposure IJ-12 Design Live Loads for Residential Floors IJ-13 Multiple Ply BCI® / AJS® Member
IJ-14 Minor Flange Cuts IJ-16 BCI® Web Stiffener Requirements IJ-19 Drywall Storage with Shoring
IJ-20 SawTek® Holes IJ-21 Flange Nailing at Bearing IJ-22 Add Joist Partition Wall
IJ-24 Multiple Web Hole Analysis IJ-25 Mineral Wool Installation Guide IJ-27 Web Hole Location Provisions
IJ-28 Drop-In GWB Installation Guide    
Fire Design and Install Guide
Fire Design and Install Guide

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