Wood Frame Construction Insulation Flat Roof Insulation Standing Seam Multi-Ply Single Ply

TOPROCK® DD

TOPROCK® DD is a high-density uncoated stone wool insulation board for low-slope roof applications. TOPROCK® DD is a suitable substrate board for all low-slope roof decks and is compatible as the substrate for mechanically attached membrane systems.

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Specification & sizes

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 Non-Combustible 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)
Bottom Layer - 10 lb/ft³ (160 kg/m³)
Bottom Layer - 9.36 lb/ft³ (150 kg/m³) (for thicknesses >2.5" (63.5mm))
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% 
Linear Change 7 days @ 200°F (93°C), ambient RH - 0.1%
Linear Change 7 days @ 158°F (70°C), 97% RH - 0.0%
Dimensions Dimensions
48" x 48" (1219 mm x 1219 mm)
Thickness Thickness
Product available in 2" – 6" (50.8 mm – 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
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
ASTM C165

Top Layer - 20 psi (140 kPa) @ 10%, 37 psi (250 kPa) @ 25%

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 Non-Combustible 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)
Bottom Layer - 10 lb/ft³ (160 kg/m³)
Bottom Layer - 9.36 lb/ft³ (150 kg/m³) (for thicknesses >2.5" (63.5mm))
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% 
Linear Change 7 days @ 200°F (93°C), ambient RH - 0.1%
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" (50.8 mm – 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
ASTM C165

Top Layer - 20 psi (140 kPa) @ 10%, 37 psi (250 kPa) @ 25%

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
Vidéo

Comparative Roof Insulation Fire Test with Tony Crimi

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

ROCKWOOL and Volvo on Fire Safety

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

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
272.3 KB

Toprock DD TDS:

 

 

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Low Slope Roofing - Improving Value with Stone Wool Roof Systems
Low Slope Roofing - Improving Value with Stone Wool Roof Systems

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TOPROCK DD Flynn Canada Case Study
TOPROCK DD Flynn Canada Case Study

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TOPROCK DD Chilliwack Building Climate Driven R-value Research Case Study
TOPROCK DD Chilliwack Building Climate Driven R-value Research Case Study

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TOPROCK DD Wayne State University Increases Thermal Performance Case Study
TOPROCK DD Wayne State University Increases Thermal Performance Case Study

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TOPROCK DD Quieter Office Space Case Study
TOPROCK DD Quieter Office Space Case Study

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TOPROCK DD - 072200 GUIDESPEC - CA-EN
TOPROCK DD - 072200 GUIDESPEC - CA-EN

Specifications

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TOPROCK DD - 072200 GUIDESPEC - US-EN
TOPROCK DD - 072200 GUIDESPEC - US-EN

Specifications

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TOPROCK DD Flat Roof Insulation- Techdata
TOPROCK DD Flat Roof Insulation- Techdata

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Roofing Installation Guide - Technical Guide
Roofing Installation Guide - Technical Guide

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Contractor Submittal Sheet US
Contractor Submittal Sheet US

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Contractor Submittal Sheet CA
Contractor Submittal Sheet CA

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Safe Use Instruction Sheet
Safe Use Instruction Sheet

ROCKWOOL provides this SUIS for safe handling and use instructions.

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