*Warmup Dual Overlay is a free-floating system designed for use over the Warmup Foil Heating system. It provides a smooth and seamless subfloor, suitable for soft and resilient floor coverings such as carpet and vinyl.*  **Features:**  * Easy to cut and shape around fixtures with a knife or saw  * Provides a stable sub floor on which a variety of floor coverings can be laid * Consists of a base board (3mm) and top board (4mm) with a contact adhesive to bond them together. * Very thin at only 7mm in depth * Protects the heating element from damage if flooring is not laid immediately * Installation is quick, easy and dry - no need for self-leveling * Provides even heat distribution  **Key Benefits:**  * **Very thin at only 7mm in depth**  * **Provides a stable sub floor** - On which a variety of floor coverings can be laid  * **Easy to install**   * **Protection for the heating wire** - Protects electric heating wire from damage if flooring is not laid immediately