TOPROCK® DD Plus is a high-density bitumen-coated stone wool insulation board for low-slope roof applications
TOPROCK® DD Plus is compatible as the substrate for the following membrane attachment types:
- torched
- hot-mopped
The product has excellent acoustic properties and can be used either as a top layer of thermal insulation in an acoustic assembly with TOPROCK® DD or as the top layer of a hybrid roof assembly with polyisocyanurate or other roof insulations.
Properties:
- Non-combustible, meeting FM 4470 NCC (Non-Combustible Core) Rating
- 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
- ROCKWOOL® can contribute to earning LEED® points
Making Sense of R-Value in Commercial Stone Wool Roofing Systems
Download our Low slope roofing brochure