Question 1

1. What is white cement?

Accepted Answer

White cement. Also known as white Portland cement, is a specialised type of cement that boasts a bright, clean white colour, making it highly suitable for decorative and architectural jobs.

Question 2

2. What is white Portland cement used for?

Accepted Answer

White Portland cement is commonly used on jobs where an aesthetic, high-quality appearance is essential. Applications include creating vibrant facades, terrazzo flooring, decorative feature walls, and coloured concrete finishes. Its attractive finish and durability make it a popular choice for projects that demand both visual appeal and long-lasting performance.

Question 3

3. Is white cement waterproof?

Accepted Answer

White cement is water-resistant, but it’s not fully waterproof on its own. Like standard Portland cement, it can resist moisture when mixed, applied, and cured correctly, making it suitable for many internal and external uses. However, areas exposed to constant water pressure or heavy saturation will usually need additional waterproofing, for example with admixtures or concrete sealers. Proper curing is also important, as this improves strength, durability, and resistance to water penetration.

Question 4

4. How does white cement differ from regular cement?

Accepted Answer

The main difference between white cement and regular cement is the colour and the raw materials used during production. White cement is made with material containing low levels of iron and manganese oxides and undergoes a higher sintering temperature to achieve its bright white appearance. This refined manufacturing process results in a purer, more consistent colour but also increases production costs, making white cement generally more expensive than regular grey cement.

Question 5

5. Can you mix white and grey cement?

Accepted Answer

Yes, you can mix white cement and grey cement. In fact, builders often do this to achieve a lighter finish without using pure white Portland cement. The final colour depends on the mix ratio and the shade of the grey cement. Mixing the two can also reduce material costs on decorative concrete, pointing, and rendering jobs.

Question 6

6. Does white cement expire?

Accepted Answer

White cement does expire over time. Most manufacturers recommend using unopened bags within six months of manufacture if stored correctly. Moisture is the main issue on site. Once cement absorbs damp, it can form lumps and lose strength. Always store cement in a dry, covered area and keep bags off the floor. Cement that’s hardened or gone lumpy shouldn’t be used for structural or decorative work.

Question 7

7. Is tile grout and white cement the same?

Accepted Answer

No, tile grout and white cement are not exactly the same. White cement is a binding material used in renders, decorative concrete, and repair work. Tile grout is specially formulated for filling joints between tiles and usually contains additives for flexibility, water resistance, and crack control. Some cement-based grouts use white cement as part of the mix, but pure white cement should not replace a proper tile grout on most tiling jobs.

Question 8

8. How do you mix white Portland cement?

Accepted Answer

If you’re wondering how to make white cement, the mixing process is broadly similar to ordinary grey cement. However, since white Portland cement is mainly used for decorative work, exposed finishes, and coloured mortars, contamination and mix consistency matter far more.

Start by choosing your preferred brand of white Portland cement for the job. It’s a good idea to use the same brand and batch where possible to keep the colour consistent across the project.
Next, make sure your mixer, bucket, tools, and water are completely clean. Any residue from grey cement, rust, or dirty water can stain the mix and affect the final appearance.
Add the dry white cement to the mixer first. For mortars or renders, add the correct grade of clean, light-coloured sand before introducing water. White cement is often paired with pale aggregates to maintain a bright finish.
Slowly add clean water while mixing until you reach a smooth, workable consistency. Avoid overwatering, as this can weaken the mix and reduce colour uniformity.
Once mixed, use the material promptly, especially during warm weather.

White cement

Hanson White Portland Cement 25kg

Blue Circle Snowcrete White Cement 25kg Bag

Rugby White Cement 25kg Paper Bag