In 1967, building contractors and installers of
sheet metal heat and air duct systems approached Kroy Industries to
develop a product for heat and air installation to eliminate the
corrosive problems occurring from water infiltration and leaks in
metal ducts under the slab.
recommended SDR81 PVC pipe as an alternative to spiral sheet metal.
This pipe was a superior alternative eliminating their existing
problems. The product was immediately accepted for under-slab
installation and has meet with continuing success. Since its
introduction, more than ten million feet have been placed in service
without a single failure.
Kroy Industries furnishes a complete system
from the PVC plenum to the end boots. This system offers cost
efficiency, ease of installation, increased heating and cooling
efficiency and lowering of injuries from installation.
Kroy PVC duct pipe and fittings comply with
requirements of the International Code Council (ICC), formerly The
Council of American Buildings Officials (CABO), which is nationally
recognized in writing plumbing and mechanical codes.