Knowledge Base About the materials Will the resin change colour over time? Article sections No, the resins we use at BasePro are UV-stable, and have been manufactured so that they will not change colour. Last Updated: 7 years ago in About the materials Related Articles What will happen to resin bound surfacing during times of extreme heat or freezing? What size of stone is used for the resin bound surfacing? Is resin bound surfacing strong enough to take vehicles? Is the stone natural or man made? Is the resin coloured?