Many floor heating systems rely on mass: pipe set in a concrete slab or screed that takes hours to warm up and hours to cool down. Warmboard takes the other approach. Each panel has a 0.64 mm aluminium face that conducts heat from the pipe across the whole surface, with very little mass to heat.
The result is a floor that responds quickly. On our Australian installations with timber glued to Warmboard, the floor surface typically feels warm within 20 to 30 minutes of the heat coming on. That’s the floor surface, not the whole room reaching temperature.