Rockwool 3" x 4' x 4' Toprock Dd

SKU: 444556

Toprock® DD is a high-density uncoated stone wool insulation board for low-slope roof applications. It is a suitable substrate board for all low-slope roof decks and is compatible as the substrate for mechanically attached membrane systems. It has excellent acoustic properties and can be used either as a base layer of thermal insulation in an acoustic assembly with Roxul Toprock® DD Plus as the top layer of a hybrid roof assembly with polyisocyanurate or other roof insulations. It has exclusive stone wool dual-density properties that feature a higher-density top layer, providing strong point load resistance and effective load distribution to minimize puncture damage to the membrane - particularly during installation. Features: Non-combustible Will not warp or cup Dimensionally stable-provides a long-term, consistent thermal performance High impact resistance Excellent acoustic reduction, absorption and impact (rain noise) performance Made from natural & recycled materials

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