Calibrated Indian Sandstone paving slabs are made even and consistent through machining, making them easier for landscapers to lay. Unlike natural materials, these slabs vary in thickness, so calibration ensures they're all the same thickness. When laying calibrated slabs, the mortar bed can be level, making installation easier.


Advantage :

Easy laying - Calibrated Indian Sandstone has the same thickness, so laying it with mortar is faster. Using slabs of different thicknesses means adjusting mortar height for each one.


Stronger grip - Calibrated stone has ribs underneath that help it stick better to mortar, making it last longer.


Better quality - Calibrated stone is consistently thick, ensuring a strong bond with mortar and preventing stains.


Tidy packaging - Consistent thickness means crates can be tightly packed without wedges, reducing damage during transport.


Evenness - Every crate of calibrated stone weighs the same, unlike uncalibrated ones, ensuring consistency.


Benefits of Calibrated Paving for Landscapers, Manufacturers, and Customers:-


For landscapers: Calibrated paving is faster and simpler to lay because all the slabs have a similar thickness. This means they don't have to spend extra time adjusting the mortar bed for different slab thicknesses.


For manufacturers and suppliers: Calibrated paving saves on shipping costs. With slabs of consistent thickness, more can fit into each shipping container, reducing shipping prices and allowing for lower prices for customers. Also, using machines for calibration makes the process more consistent and reduces labor costs.


For customers: Calibrated paving is easier and cheaper to lay, thanks to its consistent thickness and lower shipping costs. This means customers can enjoy lower prices and quicker installation.  

Thickness variation;-

This refers to how much the thickness of stone can vary. Because stone is natural, each slab can't be exactly the same thickness. The allowable difference depends on how it's made.


For sawn stone, the difference can be up to 2mm thicker or thinner between slabs, totaling 4mm difference. For riven Indian sandstone, made by splitting, the difference can be up to 5mm, totaling a 10mm difference overall.  




Prepare the area: Make sure the ground is flat and clear of any debris, weeds, or old paving.


Plan the layout: Decide how you want the paving slabs to be arranged and mark it out using string or chalk.


Lay the sub-base: Put down a layer of compacted hardcore to create a solid foundation.


Add mortar: Spread mortar evenly over the sub-base with a trowel, making it about 1.2 to 1.6 inches thick.

Place the slabs: Carefully position each sandstone slab on the mortar, starting from one corner and working outward. Use a rubber mallet to tap them into place and make sure they're level.


Fill the gaps: Once all the slabs are down, fill the gaps between them with dry sand or a special compound. Brush it in and pack it down to make it tight.


Clean up: Remove any excess mortar or compound from the surface of the slabs with a brush or hose.


Let it set: Leave the paving to set for at least a day before walking on it, and avoid heavy traffic for a few days to let the mortar fully harden.


Following these steps will help you install calibrated sandstone paving in your outdoor area easily.


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