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Can you self-level over ultralight?

Warmup Insulation Boards – Ultralight

Yes, you can self-level compound over Ultralight. This is particularly common when first applying our DCM-PRO membrane floor heating system and covering it with 3/8” of leveler. It can also be used directly over the boards when not using a heating system.

When using a self-leveler, first apply Warmup’s Perimeter Strip to provide for floor movements. The Ultralight boards can act as an anti-fracture membrane. To perform that task, use the perimeter strip when using the leveler in order to avoid the transfer of lateral floor movements to the floor covering above.

For full installation instructions, visit the installation manual or view the below installation video.