Question

what flooring will be used everywhere except the bathroom?

select one:
a. otaki stone
b. 19mm untreated eco ply
c. 10mm gib
d. 6mm hardies tile and slate underlay

Explanation:

Analyze the question and options

The question asks: "What flooring will be used everywhere except the bathroom?"
Let's evaluate the given multiple-choice options based on standard construction terminology and the context of the materials listed:

• a. Otaki Stone: The text snippet at the top describes "Otaki River Stone Interior Wall" specifications, indicating this is a wall cladding material, not a general flooring material.
• b. 19mm untreated eco ply: Plywood (eco ply) of 19mm thickness is a standard structural subfloor or finished flooring material used throughout dry areas of a residential building.
• c. 10mm GIB: GIB board (plasterboard) is a wall and ceiling lining material, not a flooring material.
• d. 6mm hardies tile and slate underlay: This is a specialized fiber-cement underlayment designed specifically for wet areas (like bathrooms) to support tile or slate finishes, meaning it would only be used in the bathroom rather than everywhere else.

Apply building specifications knowledge

Using the Building Specifications and Information Extraction knowledge points, we can deduce the correct material:

• "Otaki Stone" is specified for an interior wall.
• "10mm GIB board" is specified as a wall lining fixed to studs.
• "6mm hardies tile and slate underlay" is a wet-area underlayment specifically suited for bathroom tiling.
• Therefore, the general flooring used everywhere else must be the structural/finish plywood layer, which is 19mm untreated eco ply.

Answer:

• (a. Otaki Stone
• b. 19mm untreated eco ply (Correct answer)
• c. 10mm GIB
• d. 6mm hardies tile and slate underlay