Dura-Rib Wall Systems
 
  

Robertson Dura-Rib wall system is a functional and economical product that provides durability, cost efficiency and ease in erection.
 
Architecturally pleasing looks are achieved by the clean and simple profile that refracts light off its 1 1/8" high ribs on 12" centres. Precision roll forming ensures a flat surface and uniform definition of the profile. The attachment of the panel is made from the exterior with colour-matched fasteners.
 
Corner trim, base trim and metal closures are standard features of the Dura-Rib wall system. It is available with a complete line of self-flashing accessories including windows, doors and storefront window systems. Dura-Rib's unique design adds structural strength and provides superior load-carrying capacity.

Dura-Rib is available in a variety of colours. The finishes are virtually maintenance free with 10 and 20-year warranties against chalking, fading or blistering.
  

  
I. GENERAL

The wall system will consist of metal panels joined together with fasteners through overlapping sidelaps and secured to the structure with fasteners. Integral components such as corner trim, base trim and eave trim will be furnished as required.

2. PANEL DESCRIPTION

All Dura-Rib panels will be precision roll formed to provide 36" wide net coverage. Finished panels will have four major corrugations 1 1/8"  high at 12" on centres, with two minor ribs between each major rib.

3. PANEL DESIGN

3.1. Panel design will be in accordance with AISI "Specification for the Design of Cold-Formed Steel Structural Members", or CSA 5136 "Cold-Formed Steel Structural Members", and in accordance with sound engineering methods and practices.

3.2. The wall will be covered with Dura-Rib panels of 26 or 24 gauge, 50,00 psi minimum yield steel Aluminum-Zinc alloy coating (ASTM Specification A792).

4. PANEL MATERIALS AND FINISH

Factory coloured Dura-Rib panels of 26 or 24 gauge, 50,000 PSI minimum yield steel AluminumZinc alloy coating (ASTM Specification A792). Siliconized polyester coating can be applied, or an inorganically pigmented 70% polyvinylidene fluoride coating can be applied (70% Kynar).

5. PANEL APPLICATION

5,1 Structural system will be plumb before wall panels are attached.

5.2 Panels will be aligned and attached in accordance with erection drawings furnished by Robertson Building Systems.

5.3 All sidelaps will be at least one full corrugation.

5.4 Panels will be closed at the base with optional metal, foam or rubber closures.

6. FASTENERS

All connection of wall panels will be made with:

6.1. # 12 - 14 x 1 %" self-drilling screws, long life coated, painted to match wall colour, no sealing washer (structural fastener).

6.2. % - 14 x %8' self-drilling screws, long life coated, painted to match wall colour, no sealing washer (stitch fastener).

7. ACCESSORIES

7.1. Accessories, i.e, doors, windows, louvers, will be as standard with Robertson Building Systems unless otherwise noted, and furnished as specified.

7.2. Standard accessory locations will be as shown on erection drawings as furnished by Robertson Building Systems.

8. WARRANTIES

8.1. All wall panels will be warranted for a period of one year for defects in material or workmanship.

8.2. Panels finished with siliconized polyester coatings will be warranted for a period of 10 or 20 years against blistering, peeling and chalking according to manufacturer's standard warranty. Panels finished with 70% Kynar coating will be warranted for 20 years.