Wood Frame Construction Insulation Standing Seam Multi-Ply Single Ply

TOPROCK® DD Plus

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
Back
Back

Specification & size

Compliance ASTM C726 - FM 4470
ASTM C726*** Standard Specification for Mineral Fiber Roof Insulation Boards
FM 4470 Approval Standard for Single-Ply, Polymer Modified Bitumen Sheet, Built-Up Roof and Liquid Applied Roof Assemblies for use in Class 1 and Noncombustible Roof Deck Construction
FM 4470 NCC (Non-Combustible Core) Rated Roof Insulation
FM Approved 
ULC Listed 
Classified UL 
Miami Dade County Approved 
Density ASTM C303

ASTM C303

Top Layer - 13.75 lb/ft³ (220 kg/m³)

 ASTM C303

Bottom Layer - 10 lb/ft³ (160 kg/m³)

 ASTM C303

Bottom Layer - 9.36 lb/ft³ (150 kg/m³) (for thicknesses >2.5" (63.5 mm))

Dimensional stability ASTM C356 - ASTM D2126
ASTM C356 Linear Shrinkage - 0.71% @ 1200°F (650°C)
ASTM D2126 Linear Change 7 days @ -40°F (-40°C), ambient RH - 0.1%
ASTM D2126 Linear Change 7 days @ 200°F (93°C), ambient RH - 0.1%
ASTM D2126 Linear Change 7 days @ 158°F (70°C), 97% RH - 0.0%
Dimensions Dimensions
48" x 48" (1219 mm x 1219 mm)
Thickness
Product available in 2" – 6" (50.8mm – 152.4 mm) in 1/2" (12.7 mm) increments
Reaction to fire ASTM E84 (UL 723) - CAN/ULC S102 - CAN/ULC S114 - NFPA 276 - CAN/ULC S107-03 - CAN/ULC S126-06 - UL 790 (ASTM E108) - UL 263 (ASTM E119)
ASTM E84 (UL 723) Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S102 Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S114 Determination of Non-Combustibility of Building Materials - Non-Combustible
NFPA 276 Standard Method of Fire Tests for Determining Heat Release Rate of Roofing Assemblies with Combustible Above Deck Roofing Components - Class 1
CAN/ULC S107-03 Fire Tests of Roof Coverings - Class A
CAN/ULC S126-06 Fire Spread under Roof Deck Assemblies - See ULC Directory
UL 790 (ASTM E108) Standard Test Methods for Fire Tests of Roof Coverings - Class A
UL 263 (ASTM E119) Fire Tests of Building Construction and Materials - See UL Directory
Thermal resistance ASTM C518 (C177)
Mean Temperature R-Value RSI Value
75°F (24°C) 3.8 hr.ft2.F/Btu 0.68 m2K/W
25°F (-4°C) 4.3 hr.ft2.F/Btu 0.74 m2K/W
40°F (4°C) 4.2 hr.ft2.F/Btu 0.72 m2K/W
110°F (43°C) 3.6 hr.ft2.F/Btu 0.64 m2K/W
Acoustical Performance ASTM C423 - ASTM E90
  Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
ASTM C423 2" 0.5 0.71 0.85 0.9 0.96 1.01 0.85
ASTM E90 Contact ROCKWOOL for STC rated assemblies
Reaction to moisture ASTM C1104 - ASTM C209 - ASTM E96
ASTM C1104 Moisture Sorption - 0.15%
ASTM C209 Water Absorption - <1.0%>
ASTM E96 Water Vapor Transmission, Desiccant Method - 2330 ng/Pa.s.m2 (41 perm)
Compressive strength ASTC C165 - EN 12430
ASTC C165 Top Layer - 20 psi (140 kPa) @ 10%, 37 psi (250 kPa) @ 25%
ASTC C165 Entire Board - 11 psi (75 kPa) @ 10%, 15 psi (105 kPa) @ 25%
EN 12430 Point Load @ 5 mm Compression - 30 psi (205 kPa)
Corrosion Resistance ASTM C795 - ASTM C665
ASTM C795 Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM C665 Corrosion of Steel - Passed
Back
ASTM C726*** Standard Specification for Mineral Fiber Roof Insulation Boards
FM 4470 Approval Standard for Single-Ply, Polymer Modified Bitumen Sheet, Built-Up Roof and Liquid Applied Roof Assemblies for use in Class 1 and Noncombustible Roof Deck Construction
FM 4470 NCC (Non-Combustible Core) Rated Roof Insulation
FM Approved 
ULC Listed 
Classified UL 
Miami Dade County Approved 
Back

ASTM C303

Top Layer - 13.75 lb/ft³ (220 kg/m³)

 ASTM C303

Bottom Layer - 10 lb/ft³ (160 kg/m³)

 ASTM C303

Bottom Layer - 9.36 lb/ft³ (150 kg/m³) (for thicknesses >2.5" (63.5 mm))

Back
ASTM C356 Linear Shrinkage - 0.71% @ 1200°F (650°C)
ASTM D2126 Linear Change 7 days @ -40°F (-40°C), ambient RH - 0.1%
ASTM D2126 Linear Change 7 days @ 200°F (93°C), ambient RH - 0.1%
ASTM D2126 Linear Change 7 days @ 158°F (70°C), 97% RH - 0.0%
Back
48" x 48" (1219 mm x 1219 mm)
Back
Product available in 2" – 6" (50.8mm – 152.4 mm) in 1/2" (12.7 mm) increments
Back
ASTM E84 (UL 723) Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S102 Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S114 Determination of Non-Combustibility of Building Materials - Non-Combustible
NFPA 276 Standard Method of Fire Tests for Determining Heat Release Rate of Roofing Assemblies with Combustible Above Deck Roofing Components - Class 1
CAN/ULC S107-03 Fire Tests of Roof Coverings - Class A
CAN/ULC S126-06 Fire Spread under Roof Deck Assemblies - See ULC Directory
UL 790 (ASTM E108) Standard Test Methods for Fire Tests of Roof Coverings - Class A
UL 263 (ASTM E119) Fire Tests of Building Construction and Materials - See UL Directory
Back
Mean Temperature R-Value RSI Value
75°F (24°C) 3.8 hr.ft2.F/Btu 0.68 m2K/W
25°F (-4°C) 4.3 hr.ft2.F/Btu 0.74 m2K/W
40°F (4°C) 4.2 hr.ft2.F/Btu 0.72 m2K/W
110°F (43°C) 3.6 hr.ft2.F/Btu 0.64 m2K/W
Back
  Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
ASTM C423 2" 0.5 0.71 0.85 0.9 0.96 1.01 0.85
ASTM E90 Contact ROCKWOOL for STC rated assemblies
Back
ASTM C1104 Moisture Sorption - 0.15%
ASTM C209 Water Absorption - <1.0%>
ASTM E96 Water Vapor Transmission, Desiccant Method - 2330 ng/Pa.s.m2 (41 perm)
Back
ASTC C165 Top Layer - 20 psi (140 kPa) @ 10%, 37 psi (250 kPa) @ 25%
ASTC C165 Entire Board - 11 psi (75 kPa) @ 10%, 15 psi (105 kPa) @ 25%
EN 12430 Point Load @ 5 mm Compression - 30 psi (205 kPa)
Back
ASTM C795 Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM C665 Corrosion of Steel - Passed
Back
NFPA 285 Test Method with Tony Crimi
Video

Comparative Roof Insulation Fire Test with Tony Crimi

NFPA 285 Test Method with Tony Crimi, fire resistance, fire proof, non-combustible
Video

ROCKWOOL and Volvo on Fire Safety

2018 Fine Homebuilding House of the year.A NetZero Passivehouse in Northern California from Atmosphere Design Build.
Video

2018 Fine Homebuilding House of the year

RWNA Toprock DD Roofing
PDF
1.1 MB

Roof Installation Guide

RWNA Toprock DD Plus Roofing
PDF
1.8 MB

Roofing Rated Acoustic Assembly Guide

RWNA Toprock DD Plus Roofing
PDF
1.1 MB

Toprock DD Plus TDS:

 

 

print pdf
icon
Low Slope Roofing - Improving Value with Stone Wool Roof Systems
Low Slope Roofing - Improving Value with Stone Wool Roof Systems

pdf
icon
TOPROCK DD Plus Re-roofing of Ridgewood Case Study
TOPROCK DD Plus Re-roofing of Ridgewood Case Study

pdf
icon
TOPROCK DD PLUS - 072200 GUIDESPEC - US-EN
TOPROCK DD PLUS - 072200 GUIDESPEC - US-EN

Specifications

pdf
icon
TOPROCK DD PLUS Flat Roof Insulation - Techdata 1
TOPROCK DD PLUS Flat Roof Insulation - Techdata 1

pdf
Contractor Submittal Sheet CA
Contractor Submittal Sheet CA

pdf
Contractor Submittal Sheet US
Contractor Submittal Sheet US

pdf
icon
Safe Use Instruction Sheet
Safe Use Instruction Sheet

ROCKWOOL provides this SUIS for safe handling and use instructions.

pdf
Value cannot be null. (Parameter 'actionDescriptor')
Value cannot be null. (Parameter 'actionDescriptor')