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Rockwool
3" x 4' x 4' TOPROCK® DD
QXO product C-444556 · 1 options
Selected: ROX TOPROCK DD 3.00" 4'X4'
QXO SKU 444556 · Product number ROXTRDD344
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- SQ|PC
- Item Weight
- 8.44
- Algae Resistance
- No
- Applicable Standards
- FM 4470 NCC ULC Listed UL Classified Miami-Dade County Approved LEED
About this product
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



