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JOISTS
A distinctive window in the centre
of the Alpa Joist eliminates the need for old fashioned bridging, reducing
the possibility of squeaking. The traditional I-Joist requires traditional
bridging to hold it securely in place. This means many short sections of
timber must be toe nailed to each joist. Hammering the nails in on such an
angle reduces their strength by 17%, increasing the likelihood that in time
the nails will work their way loose and cause squeaking.
The Alpa Joist's patented window
system solves that problem by allowing for fast and efficient strongback
installation. Long timbers slide quickly through the centre openings, and
are then easily nailed in place at the desired 90 degree angle. Strongback
installation is recognized as the most effective bridging method for
vibration reduction because it introduces a continuous stiffness in the
transverse direction of a floor system.
The Alpa Joist is comprised of more
wood than the standard I-Joist because its openings are reinforced with
double flanges, top and bottom. The double flange configuration provides
additional stiffness at the critical section. While most Joists are made so
that openings can be cut into them, the Alpa Joist is the only one with
engineered openings, guaranteed to maintain the structural integrity of the
joist for the life of the home.
We can provide I Joist packages
based on individual housing or commercial units or provide truckload
quantities with engineering to fit almost any application
