Flexcast Mouldings Inc. Flexcast architectural exterior mouldings are carved from expanded polystyrene foam (EPS) coated with highly-flexible cementitious coating and reinforced with high-strength fiberglass mesh. Flexcast Moulding profiles gives you wider perspective and endless design concept. Shapes can be designed to take in almost any form imaginable offering architects, designers and owners the ability to create their limitless concept of design. Flexcast Moulding can help you design custom styles to fit on new and existing structures that can be applied to stucco, bricks stone, masonry and any approved surfaces. more... See more text