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

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ComplianceASTM C726 - FM 4470
ASTM C726Standard Specification for Mineral Fiber Roof Insulation Boards
FM 4470Approval 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 4470NCC (Non-Combustible Core) Rated Roof Insulation
FM Approved 
ULC Listed 
Classified UL 
Miami Dade County Approved 
DensityASTM C303
ASTM C303Top 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 stabilityASTM C356 - ASTM D2126
ASTM C356Linear Shrinkage - 0.71% @ 1200°F (650°C)
ASTM D2126Linear 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%
DimensionsDimensions
48" x 48" (1219 mm x 1219 mm)
ThicknessThickness
Product available in 2" – 6" (50.8 mm – 152.4 mm) in 1/2" (12.7 mm) increments
Reaction to fireASTM 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 S102Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S114Determination of Non-Combustibility of Building Materials - Non-Combustible
NFPA 276Standard Method of Fire Tests for Determining Heat Release Rate of Roofing Assemblies with Combustible Above Deck Roofing Components - Class 1
CAN/ULC S107-03Fire Tests of Roof Coverings - Class A
CAN/ULC S126-06Fire 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 resistanceASTM C518 (C177)
Mean TemperatureR-ValueRSI Value
75°F (24°C)3.8 hr.ft2.F/Btu0.68 m2K/W
25°F (-4°C)4.3 hr.ft2.F/Btu0.74 m2K/W
40°F (4°C)4.2 hr.ft2.F/Btu0.72 m2K/W
110°F (43°C)3.6 hr.ft2.F/Btu0.64 m2K/W
Acoustical PerformanceASTM C423 - ASTM E90
 Thickness125 Hz250 Hz500 Hz1000 Hz2000 Hz4000 HzNRC
ASTM C4232"0.50.710.850.90.961.010.85
ASTM E90Contact ROCKWOOL for STC rated assemblies
Reaction to moistureASTM C1104 - ASTM C209 - ASTM E96
ASTM C1104Moisture Sorption - 0.15%
ASTM C209Water Absorption - <1.0%>
ASTM E96Water Vapor Transmission, Desiccant Method - 2330 ng/Pa.s.m2 (41 perm)
Compressive strengthASTC 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 12430Point Load @ 5 mm Compression - 30 psi (205 kPa)
Corrosion ResistanceASTM C795 - ASTM C665
ASTM C795Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM C665Corrosion of Steel - Passed
Back
ASTM C726Standard Specification for Mineral Fiber Roof Insulation Boards
FM 4470Approval 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 4470NCC (Non-Combustible Core) Rated Roof Insulation
FM Approved 
ULC Listed 
Classified UL 
Miami Dade County Approved 
Back
ASTM C303Top 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 C356Linear Shrinkage - 0.71% @ 1200°F (650°C)
ASTM D2126Linear 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 S102Flame spread index = 0 ; Smoke developed index = 0
CAN/ULC S114Determination of Non-Combustibility of Building Materials - Non-Combustible
NFPA 276Standard Method of Fire Tests for Determining Heat Release Rate of Roofing Assemblies with Combustible Above Deck Roofing Components - Class 1
CAN/ULC S107-03Fire Tests of Roof Coverings - Class A
CAN/ULC S126-06Fire 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 TemperatureR-ValueRSI Value
75°F (24°C)3.8 hr.ft2.F/Btu0.68 m2K/W
25°F (-4°C)4.3 hr.ft2.F/Btu0.74 m2K/W
40°F (4°C)4.2 hr.ft2.F/Btu0.72 m2K/W
110°F (43°C)3.6 hr.ft2.F/Btu0.64 m2K/W
Back
 Thickness125 Hz250 Hz500 Hz1000 Hz2000 Hz4000 HzNRC
ASTM C4232"0.50.710.850.90.961.010.85
ASTM E90Contact ROCKWOOL for STC rated assemblies
Back
ASTM C1104Moisture Sorption - 0.15%
ASTM C209Water Absorption - <1.0%>
ASTM E96Water 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 12430Point Load @ 5 mm Compression - 30 psi (205 kPa)
Back
ASTM C795Stress Corrosion Cracking Tendency of Austenitic Stainless Steel - Passed
ASTM C665Corrosion of Steel - Passed
Back

 

 

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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

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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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Fastener Guidelines - Technical Guide
Fastener Guidelines - Technical Guide

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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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