Frequently Asked Questions

General Inquiries

How can I buy Polybuilding's Stone?

You may call us directly at +65-63377734 or drop by our showroom at Tuas.

What are Polybuilding's the opening hours?

Monday to Friday 9am to 6.30pm, Saturday 10am to 5pm. We are closed on Sunday and Public Holidays.

Where is Polybuilding's showroom located?

We are located at 8 Tuas Avenue 11, Singapore 639074.

Where can I learn more about Polybuilding's stones?

You may find out more about our stones and projects on our website’s Portfolio & Stone Gallery to view a selected range of stones. Alternatively, you may visit us at our showroom on the 2nd level at 8 Tuas Avenue 11 to see our full range of stones. If you are a professional and need architectural assistance, please call us at +65-63377734 and we will have our representative visit you.

Will natural stones fade?

Overtime fading from wear and tear is quickened when natural stones are constantly exposed to external weathering.

Can I buy the stones in smaller quantities?

Yes, definitely. Please feel free to enquire with anyone from our sales team at +65-63377734.

How do I request for stone samples?

Kindly enquire with anyone from our sales team at +65-63377734.

How do I become a supplier or a distributor?

Kindly email us at



Does Polybuilding provide installation service?

Yes we do, on a case-by-case basis.

Where can I install Polybuilding's stone?

Internal & external wall, floor applications, counter tops, table tops, kitchen tops; the possibilities are endless!

How important is it to install natural stones appropriately?

We can’t stress enough the importance of installing stones appropriately to enjoy the best of natural stones; for this, the installation should be carried out by a specialist from the trade. A reasonable timeline is also highly recommended for the substrate to settle and dry before installing the stones.

How long does is it take to install stone?

It largely depends on the given site conditions and the quantity to be installed.

Can I seal the stones?

Sealing is done as an extra precaution to safeguard against staining, but this does not guarantee that the sealed stones will not be stained. Should you consult with your stone supplier, you may find that many stones may not require sealing.

If a sealer is applied in a food preparation area, be sure that it is non-toxic and safe for use. We will consult with the sealer manufacturer with regards to the type of sealer to use according to the various requirements.



What is the largest possible stone dimension that can be installed?

There is no largest possible size but we are more limited by the size of the slabs we can get from the block/quarry.

How thick are the stones?

Normally, they come in 2 thickness: 20mm and 30mm, unless otherwise specified.

How do I find out the porosity of the stones?

By looking at the technical report for each type of stones or by conducting a local laboratory test.

Does Polybuilding's stone meet the Building Code requirement?
Have the stones been sent for lab testing?

We always work closely with our clients and consultants to meet the Building Code Requirements. We can provide factory test reports or send the stones for testing upon request.

If I were to order in large quantities how do I ensure the quality control of the stones?

Prior to the delivery of the stones to the site, we will always inform our clients of what they will be receiving either by photographs or having a joint inspection in our factory.

Can Polybuilding help with technical drawings?

Definitely, we are able to. We have our own in-house Studio team to assist with our customers’ drawing requests.


Care and Maintenance

What happens if the stone is damaged?

Most of the time it can be repaired but we will first assess it on a case-by-case basis.

How should I clean stones purchased from Polybuilding?

You may clean the stone surfaces with a neutral cleaner and not a strong detergent. A mild liquid dish-washing detergent, warm water and a clean rag will suffice. Cleaning with excessive high concentrations or with harsh cleaners may lead to streaking. We suggest that you follow the manufacturer’s recommendation.

In wet areas such as the bathrooms, you can minimise the soap scum but using a squeegee. To remove the scum, you can use non-acidic soap scum remover or a solution comprising of ammonia and water. However do note that excessive or prolonged usage of this mixture may result in the dulling of the stone surface of some stone types.

For external areas such as outdoor pool, patio or jacuzzi areas, you will just need to flush with a mild bleach solution and water to do the trick and for the removal of algae or moss.

What should I clean natural stone with?

For suitable cleaning products, most DIY shops do offer a range of products used for stone cleaning. Do note that products containing lemon, vinegar or other acids may dull calcareous stones, while scouring powders or creams often contain abrasives that may scratch certain stones. Acidic chemicals especially if it contains hydrofluoric acid will attack silicates and other materials found in natural stones such as granites and quartzite.

Who do I approach for defects of the stone?

You may contact any of our friendly staff for advise at +65-63377734.

How many times can you polish the stones?

There is no particular limit 🙂

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