Flat Roof Products

Hardrock & Roofrock

To provide flexibility in design, cost and usage of membrane roofing system, ROCKWOOL roofing boards offer three different types of roofing insulation system to allow owners, designers and installers to achieve the desired performance of an ideal roof.

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Specification & Sizes

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Dimensions
Product IDProduct NameThickness (mm)Width (mm)Length (mm)Piece/Pack
189408Roofrock852400120012 / PAL
189409Roofrock1002400120010 / PAL
159063Hardrock 605060012004
216806Hardrock 6050600120040 / PAL
159132Hardrock 805060012004
170898Hardrock 8050120012002
166903Hardrock 80501200240020 / PAL
159185Hardrock 80751200240014 / PAL
159092Hardrock 8010060012002
207078Hardrock 80100600120020 / PAL
Reaction to fireEN13501-1

Hardrock 60

EN13501-1Non-combustible /A1 Fire Classification

Hardrock 80

EN13501-1Non-combustible /A1 Fire Classification
Thermal conductivityASTM C518

Hardrock 60

20°C λ Value (W/mK)0.037

Hardrock 80

20°C λ Value (W/mK)0.038
Water absorptionEN1609.97

Hardrock 60

Partial immersionLess than 0.5kg/m²

Hardrock 80

Partial immersionLess than 0.5kg/m²
Compressive stress at 10 % deformationEN 826

Hardrock 60

EN 826>60kPa

 

Hardrock 80

EN 826>80kPa
Point load resistance at 5mm deformationEN 12430

Hardrock 60

EN 12430>500N

 

Hardrock 80

EN 12430>700N

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Product IDProduct NameThickness (mm)Width (mm)Length (mm)Piece/Pack
189408Roofrock852400120012 / PAL
189409Roofrock1002400120010 / PAL
159063Hardrock 605060012004
216806Hardrock 6050600120040 / PAL
159132Hardrock 805060012004
170898Hardrock 8050120012002
166903Hardrock 80501200240020 / PAL
159185Hardrock 80751200240014 / PAL
159092Hardrock 8010060012002
207078Hardrock 80100600120020 / PAL
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Hardrock 60

EN13501-1Non-combustible /A1 Fire Classification

Hardrock 80

EN13501-1Non-combustible /A1 Fire Classification
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Hardrock 60

20°C λ Value (W/mK)0.037

Hardrock 80

20°C λ Value (W/mK)0.038
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Hardrock 60

Partial immersionLess than 0.5kg/m²

Hardrock 80

Partial immersionLess than 0.5kg/m²
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Hardrock 60

EN 826>60kPa

 

Hardrock 80

EN 826>80kPa
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Hardrock 60

EN 12430>500N

 

Hardrock 80

EN 12430>700N

Product

Item numberProductThickness (mm)Width (mm)Length (mm)Packs Per Pallet
189408Roofrock852400120012
189409Roofrock1002400120010
159063Hardrock 605060012004
216806Hardrock 6050600120040
159132Hardrock 805060012004
170898Hardrock 8050120012002
166903Hardrock 80501200240020
159185Hardrock 80751200240014
159092Hardrock 8010060012002
207078Hardrock 80100600120020

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Tools, Guides & Downloads

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Flat Roof Insulation (Hardrock)
Flat Roof Insulation (Hardrock)

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