© Copyright 2018 Capvond Composites Ltd. All rights reserved. Visit us on Facebook and Instagram. Capvond Composites Ltd, manufacturer of cast composites - castings, lightweight window sills, mullions, quoins, plaques, copes, skews, tabling and architectural stone or architectural stone features. Capvond Composites make cast resin brick slips, identical to real bricks at a fraction of the weight. Our GRP composite cast products are fantastic substitutes for stone panels, brick panels, concrete panels and stone, brick and concrete cladding – lightweight, hardwearing, cost effective. Concrete alternative, natural stone alternative if you're looking for cast concrete, precast stone or sandstone products, concrete window sills, concrete copes, concrete mullions, concrete quoins. We supply to all corners of Scotland, England, Wales and Northern Ireland. Telephone 0141 876 9000. Based in Glasgow, Scotland, delivering to all parts of the UK. Download our GDPR Policy Statement (May 2018).