Polymax Underfloor Insulation

Our Polymax Underfloor Insulation collection features high-performance, non-irritant polyester insulation designed specifically to tackle the hidden problem of heat loss (or gain) through uninsulated floors. Whether your home suffers from icy toes in winter or radiating heat in summer, underfloor insulation is a game-changer for energy efficiency and year-round comfort.

Polymax is soft to handle, easy to install, and built to last—making it ideal for DIYers, builders, and professionals alike. Combined with smart accessories like Joisties for steel frames or staple guns for timber, this collection includes everything you need to insulate your floor the right way. Warmth, savings, and peace of mind? It all starts underfoot.