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Free Help and AdviceNeed some help and advice? No problem,many of the questions we often get asked are answered here, or just send us an email. Quantity Guide for Grout UseThe main factors affecting the quantity of grout required are:
As a guide, the following quantities are likely to be needed:
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| Floor Type | Quantity/sq.m |
| Timber | 2sq.m/20kg bag |
| Level concrete | 2sq.m/20kg bag |
| Uneven concrete | 1.5sq.m/20kg bag |
| Floor with underfloor heating | 1.5sq.m/20kg bag |
Quantity Guide for Flexible Additive
Flexible additive is used in grouts where flexibility is required. It is uneconomic to use a flexible additive in ordinary rapidset adhesive; instead, use a flexible adhesive.
Manufacturers specific instructions are given on the back of the packaging, but as a general rule:
- Flexible additive is mixed 1 to 1 with water and the additive/water mix used to mix up the powder product.
- A 2.5l pack of flexible additive mixed 1 to 1 with water will mix 20kg of grout powder.
The following quantities represent a guide for commonly used sealants
on different materials, applying one coat unless stated. Quantities can
increase with some very porous products, especially terracotta.
| Sealant (Flexible Additive) |
Quantity/sq.m |
HG Cotto Shine Seal |
20sq.m/l |
HG Cotto Wax |
10sq.m/l |
HG Impregnator (diluted 3:1 with White Spirit) |
|
| Sandstone/Terracotta | 5sq.m/l |
| 2nd coat | 10sq.m/l |
HG Marble Impregnator (diluted 3:1 with White Spirit) |
|
| Limestone/Marble | 20sq.m/l |
HG Marble Shine Finish (diluted 1:1 with Water) |
|
| Limestone/Marble | 40sq.m/l |
Lithofin Slate Seal |
10sq.m/l |
Lithofin MN Stainstop |
|
| Sandstone/Terracotta |
5sq.m/l |
| 2nd coat |
10sq.m/l |
| Slate, Limestone, Marble and Granite |
20sq.m/l |
| 2nd coat | 30sq.m/ |
