Natural Stone Sealer with Acro-H™

Water based Interior and Exterior


WondaSeal Natural Stone Sealer is a non-toxic, water-based acrylic sealant which is easy to apply. It contains a UV inhibitor which increases it’s sun an weather resistant properties and also retards bacterial and fungal growth. WondaSeal Natural Stone Sealer imparts a superior finish that will not peel, crack, flake or stain when applied correctly.

Product Overview

WondaSeal Natural stone Sealer is suitable for the sealing of natural stone, slate, slasto, terracota, sandstone, cobbles, terrazzo and quarry tiles and other unglazed porous stone/concrete surfaces, both interior and exterior. WondaSeal Natural Stone Sealer will protect and aesthetically enhance surfaces. it will inhibit moisture ingress, powdering and penetration of dirt.


Between 8m² – 10m² per 950ml per coat dependent on surface porosity.

How to use:

Steps to using the WondaSeal Natural Stone Sealer product.

Ensure that the surface is free from dust, dirt, grease, oil or solvents. Check porosity of surface to be coated by the following exercise: A) Drop a droplet of cool water on to the cool surface. B) If the droplet is absorbed within 20-25 seconds the surface is suitably porous to be sealed. C) The surface may still be sealed if the water droplet is absorbed within 25-40 seconds. In this instance it is recommended that the first coat be diluted 50/50 with clean water.

Apply by means of brush, sponge or spray gun Do not apply in direct sunlight when surfaces are hot. Best results are achieved by applying 2 thin even coats. Allow 20 mins drying time between coats. After application of final coat allow 12 hours for sealant to cure completely. Note: On low porosity surfaces the thinner the coats, the better.

Clean equipment with water immediately after application. Cautionary note: Coated surfaces can become slippery when wet. Eg, around swimming pools.

Find the WondaSeal Natural Stone Sealer at these fine stores

Contact us

If you have a particular query, please use the Enquiry Form below to submit all the information we require to respond to your enquiry.

Contact information

Address: 44 3rd Avenue
Elsies River Industrial
Western Cape, 7490

Tel: +27 (0)21 590 7761

Fax: +27 (0)21 592 4510