Stipple coats

When applying render, good key is necessary to ensure that the render is securely adhered to the substrate in order to create a high quality and long-lasting finish.  

Weber stipple coats - also known as key coats - improve the key of smooth substrates, while also equalising suction and improving the weather resistance of the subsequent render. Stipple coats are an ideal pre-treatment for any render, but particularly those in severe exposure conditions