The time it takes for a water repellent treatment to cure depends on the product while also being dependent on other factors such as temperature, humidity, and the porosity and moisture content of the substrate. Please refer to the documentation of the product you are using for more information. For example, <a href=”/products/belzona-5122/”>Belzona 5122</a> (Clear Cladding Concentrate) dries within 2 hours, although it takes up to 24 hours to achieve optimum performance.

The application of water repellent for brick walls depends on the product. Generally, a stiff-bristled brush or the plastic applicator provided can be used to apply coatings. A Belzona product can be applied using a spray gun in some instances.

You can waterproof brick walls. There are benefits to it, such as deteriorated or damaged exterior walls suffering from water ingress being protected. Additionally, protecting concrete, brick, and stone walls from moisture ingress, while allowing trapped moisture to escape. Lastly, some waterproof coatings have self-cleaning properties.