Whatever the building project you are working on, you will find the cavity closers and cavity trays you are looking for. Our high-quality cavity trays will prevent moisture in any cavity wall constructions. We provide a wide range of sizes suitable for different cavity widths, shapes and corners. You will also find a selection of cavity closers perfect for insulating wall cavities as well as reducing heat loss, condensation and mould growth in the building. Suitable for both commercial and domestic projects, BUILT/ offers the cavity trays and closers required to get the job done.