S749 Pre-Installation Impregnator – 1L for Natural & Artificial Stone

S749 is a ready-to-use, solvent-free impregnator designed for application on all faces and sides of stone or modules before installation. It minimizes efflorescence, water marks, grout penetration, and reduces the risk of warping. Ideal for both interior and exterior use, S749 protects natural and artificial stone, bricks, clay, and terracotta panels. Note: Not suitable for slate.

Method of Application:

1. Ensure the surface is clean, dry, chemically treated, and cool.

2. Apply a thin, even layer using a soft brush or short-fibre roller.

3. Remove any excess with a paper towel after 10 minutes.

4. Allow to dry for 30 minutes before applying mortar or adhesives.

Key Features:

• Reduces efflorescence, water absorption, and grout penetration.

• Protects surfaces from water marks and warping.

• Enhances adhesion when combined with appropriate adhesive layers.

• Suitable for natural and artificial stones, bricks, clay, and terracotta panels.