What should Indian sandstone be laid on?
All natural stone should be laid on a full bed of Mortar that supports the whole flagstone, Use of a priming slurry Should be applied to the underside of the paving stones to help improve adhesion. (Spot bedding on any paving stone is not recommended).
What’s the best way to lay Indian sandstone slabs?
Begin laying the sandstone paving in the mortar bed, placing them 8 to 10mm apart. Bed the paving down firmly into the mortar by tapping them lightly with a rubber mallet. Use a trowel to fill the joints with a mortar mix of four parts sand to one part cement. The mix should be of a “wet” workable consistency.
Does Indian sandstone need sealing before laying?
But what is the correct answer – and do you actually need to seal your stone? The short answer: No. The long answer: Natural stone has survived for 1000’s of years without any chemical treatments, so it’s unlikely to fall to pieces without a layer of sealant that some suppliers insist it needs.
Can you lay sandstone on sand?
Laying Patio Pavers on Sand
Whether it’s marble, sandstone or concrete paving you’ve gone for, lower your first slab into position – firmly placing it about 15mm into the sand. Keep adding the slabs and ensure there’s a gap of about 10-15mm between each stone.
How thick should mortar be under slabs?
Add a mortar bed
The mortar should be damp, not runny. Spread it out and level it with a trowel. The mortar bed needs to be 30-40mm thick and should enable the slabs, when positioned, to sit 6-10mm high.
How long will Indian sandstone last?
Indian sandstone paving can have a very long lifespan if installed and maintained properly. With a cheap installer and poor care you can expect 2 – 10 years from your paving. With a solid base and repointing every few years you can in theory get 30 – 50 years from your paving or perhaps more.
Do you need to slurry Indian stone?
It is important that ALL granite paving must have a cement and SBR liquid slurry mix painted on the entire back on the slab before fixing. If you do not do this, it may result in the slabs drying out at different rates and causing patchiness or effect the surface of the slabs.
What is the best mix for laying slabs?
Paving slabs are bedded in a mortar mix with four parts sharp sand to one part cement. Measure your quantities using a shovel or a bucket – for example, four buckets of sand for every one bucket of cement.
What is slurry primer?
Slurry Primer is painted onto the underside of paving materials to aid adhesion with the bedding layer. Also known as a bond bridge, slurry forms a solid course which helps prevent moisture and cementitious materials leaching up into the paving, and is recommended for use with lighter coloured materials.
How do you keep Indian sandstone from turning green?
Cleaning Indian sandstone is simple. Use soapy water, or, for tougher stains as well as moss and algae, a bleach mixture. Combine equal parts of bleach and water and pour onto the slabs. Leave for around 30 minutes and wash off with a stiff brush, power washer or a hose to ensure you’ve got rid of all the bleach.
How long before I can walk on my patio?
Concrete is fully cured after 28 days – this is when your new patio will be at its full compressive strength. However, the advice is usually to avoid walking on it for at least 24 to 48 hours to allow it to dry and strengthen and become the beautifully laid patio you’ve put so much effort into.
How often should you seal sandstone?
If it takes 5 – 10 minutes for the water to absorb, you should still apply several coats of sealant, but you can reapply every 3 – 5 years. If it takes 30 minutes or more, your countertops are well sealed and you don’t need to do anything!
Can you jet wash Indian sandstone?
Yes you can. A jet washer or pressure washer is an ideal way of cleaning Indian sandstone.
Is Indian sandstone good for patios?
Indian Sandstone setts are sawn and tumbled to create a softer aged finish and come in sandstone’s soft warm bronze and grey palettes. They also make superb patio and path edging.
What is the best Indian sandstone sealer?
SmartSeal is a name in Indian stone sealer that is best applied wet, it’s generally a name you can trust. In fact, their sandstone sealer offers protective cover for various other types of surface, too, such as granite and limestone.