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

IBS supplies IBS FIBRE® CTU board 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

IBS FIBRE® CTU is a base for laying ceramic tiles over a timber floor or reconstituted wood-based substrate.

• iSheets must be finished with a protective layer within three months of installation or before the area is used.

IBS FIBRE® CTU 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 IBS FIBRE® CTU 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 IBS FIBRE® CTU 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)