ITS Directory of Listed Products

ROOF/CEILING, FLOOR/CEILING, BEAM & COLUMN ASSEMBLIES

OPEN JOIST 2000, INC./SOLIVES AJOUREES 2000, INC. - Trois Rivieres, PQ CANADA

DESIGN NO. OJ/FCA 45-01

DESIGN NO. OJ/FCA 60-01

DESIGN NO. OJ/FCA 60-01
FLOOR/CEILING ASSEMBLY RATING: 60 Minutes
Acoustic performance for 11-7/8" depth joist with 3/4 Gypcrete 2000.

Required Components	STC	IIC
With carpet, pad and isolation	53	72
With carpet, pad without isolation	52	67
With vinyl flooring and isolation	53	50
With vinyl flooring without isolation	52	---
Bare Gypcrete and isolation	53	---
Bare Gypcrete without isolation	52	---

Note:
-Carpet and pad are 37 oz., 7/8" carpet with woven polypropylene backing and 40 oz. Felt pad.
-Vinyl flooring: Armstrong Starstep.

1.	Topping is optional can be lightweight or proprietary topping.
2.	Sub-Flooring: 5/8 tongue & groove plywood or OSB or Equivalent.
3.	Structural Members: Open Joist 2000, 9 3/8" depth minimum & 16" maximum, installed up to 24" o.c., with structural graded 2 x 3 or 2 x 4 chords per NLGA grading rules. Structural member should bear the Warnock Hersey certification mark.
4.	Bridging: Continuous 2 x 4 Lumber nailed to the bottom chord and the sides of the diagonals with 2" long nails.
5.	Resilient Channel: Galvanized Steel 24 gauge spaced 16" o.c. & attached to the bottom chord by means of 2 Type W screws. Channels overlap 10" at the end & are attached to each other by 1-1/4" Type S screws.
6.	Gypsum Board: 2 layers 1/2" thick Type X. Long edges located between joists perpendicular to the resilient channels. Short edges are staggered by 4'. Sheets are fastened to the resilient channels by means of 1-1/2" Type S screw located 1-1/2" away from the edge & 3" from the long edges. Screws are spaced 6" o.c. Joints are taped & finished with 2 layers of compound.
7.	Insulation material is optional for acoustic and/or thermal protection.

DESIGN NO. OJ/FCA 60-02

DESIGN NO. OJ/FCA 120-01

Evaluated to the following...