KalsiCTU is a 6mm thick autoclaved cellulose fibre-reinforced cement sheet available in the following sizes: 900mm (w) x 1200mm and 1800mm (l).

IBS supplies KalsiCTU fibre cement board (KalsiWAB) for use as

• Internal dry wall
• Internal and external ceiling panel
• Floor and wall substrate lining (over an existing structural floor) and wall framing for wet areas

KalsiCTU is a base for laying ceramic tiles over a timber floor or reconstituted wood-based substrate.

• in applications where a Material Group Number is required (clause C3.4(a)), the Kalsi fibre-cement board is at least 6mm thick and any waterborne or solvent borne paint coating is not greater than 0.4mm thick

Kalsi fibre-cement boards shall be installed in accordance with the installation instructions provided by IBS in its Installation Guide

If designed, installed and maintained in accordance with all IBS requirements, the KalsiCTU product will meet the following provisions of the NZBC:

• Clause B1 Structure — B1.3.1; B1.3.2; B1.3.3(b); B1.3.4 (B1.3.3(b) applies to KalsiCTU used as a tile floor underlay)
• Clause B2 Durability — B2.3.1(b); B2.3.1(c) (B2.3.1(b) when used as a substrate for tile)
• Clause C3 Fire affecting areas beyond the fire source — C3.4(a)
• Clause E3 Internal moisture — E3.3.3 (contributes to); E3.3.4 (contributes to); E3.3.5 (contributes to); E3.3.6 (contributes to)
• Clause F2 Hazardous Building materials — F2.3.1
• Clause G3 Food preparation and prevention of contamination — G3.3.2(a) (Contributes to)