Question 1

What materials are used in the composition of the cement board?

Accepted Answer

The 18mm cement board primarily comprises Portland cement, cellulose fibres, and refined sand, making it a durable and versatile building material.

Question 2

What precautions should be taken during installation?

Accepted Answer

Use specialized tools such as diamond-tipped saw blades for cutting. Ensure proper fixing with self-drilling screws and seal edges to prevent moisture ingress.

Question 3

Can the cement board be used outdoors?

Accepted Answer

Yes, it can be used outdoors for facades, soffits, and lightweight steel structures. However, proper sealing and installation techniques are recommended for long-term durability.

Question 4

What is the bending strength of this cement board?

Accepted Answer

The bending strength is approximately 9 N/mm², providing high structural integrity for load-bearing applications.

Question 5

What are the key features of an 18mm cement board?

Accepted Answer

The board is water-resistant, fireproof, pest-resistant, mould-proof, and dimensionally stable. It also offers sound insulation and can be painted or tiled for aesthetic purposes.

Question 6

Is the cement board fire-resistant?

Accepted Answer

Yes, it is fire-rated to standards like B-s1, d0 or Class A1, making it non-combustible and suitable for fire-prone areas.

Question 7

What is the thermal conductivity of this cement board?

Accepted Answer

The thermal conductivity is approximately 0.15 W/mK, ensuring good insulation properties for energy-efficient buildings.

Question 8

What are the primary applications of an 18mm cement board?

Accepted Answer

It is used for flooring, wall cladding, ceilings, wet areas, and external facades. It is suitable for both residential and commercial construction due to its durability and resistance to moisture and fire.

Question 9

What are the dimensions and weight of the 18mm cement board?

Accepted Answer

The board typically measures 2400mm x 1200mm (8x4 feet) and is 18 mm thick. Depending on the brand and composition, it weighs approximately 66.23kg per sheet.

Question 10

How should the 18mm cement board be installed?

Accepted Answer

Installation can be done using screws or nails, depending on the application. It is essential to follow manufacturer guidelines for securing the boards to ensure structural integrity and performance.

Question 11

What is the weight of the 18mm cement board?

Accepted Answer

An 18mm cement board typically weighs around 87 kg per sheet, which must be considered during installation to ensure proper handling and support.

Question 12

How does the fire rating of the 18mm cement board affect its use?

Accepted Answer

With a fire rating of A1 (non-combustible), this board is suitable for applications where fire safety is a priority, such as in commercial buildings or areas requiring fire-rated partitions.

Question 13

What are the typical applications for the 18mm cement board?

Accepted Answer

The cement board is commonly used for internal partitions, wall cladding, false ceilings, and elevated floors in both residential and commercial buildings.

Question 14

Is the 18mm cement board moisture resistant?

Accepted Answer

Yes, the 18mm cement board is designed to be moisture resistant, which makes it ideal for use in areas prone to humidity and water exposure.

Question 15

What are the key physical properties of the 18mm cement board?

Accepted Answer

This board has an apparent density greater than 1200 kg/m³ and is classified as non-combustible with a fire rating of A1, indicating its suitability for various construction applications.

18mm Cement Board

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