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Whether you're embarking on a DIY home improvement endeavour or a professional construction project, getting the right quantity of adhesive or self levelling compound is crucial for achieving a successful and lasting outcome.
In this guide, we'll walk you through the key factors to consider, provide handy tips, and offer a convenient calculation to ensure that you have just the right amount of adhesive or leveller to get the job done seamlessly.
Using the formula of 1.8 kgs per 1mm depth per m2, it's recommended to provide a minimum 3mm bed of adhesive for securely attaching the XPS insulation boards or BACKER-PRO tile backer boards to the sub-floor. Additionally, you should account for a 4mm coverage for the cable and an additional minimum 1.5mm bed of adhesive to ensure effective tile bonding. This results in a combined adhesive depth of 8.5mm.
5m2 tiled area with insulation board
5m x 8.5mm x 1.8kg = 77kg
Total amount of adhesive
5m2 tiled area with insulation board
= 4 x 20kg bags
5m2 tiled area with insulation board
10m x 8.5mm x 1.8kg = 153kg
Total amount of adhesive
5m2 tiled area with insulation board
= 8 x 20kg bags
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