Heat Insulated Metal Roofing And Cladding Sheets
Heat insulated metal roofing and cladding sheets is common knowledge that a metal roof exposed to the sun’s rays gets hot. Thermal insulated roof buildings is an important factor to achieve thermal comfort, thermal roof insulation interrupt the heat flow, heat barrier material blocks the inflow of the radiant heat.
Condensation Effect Reduction
Heat insulated metal roofing and cladding sheets
Thermal bridge elimination
It is important in metal structures to isolate the roof sheet from the underlying metal structure. By using METAhybrid® Heat insulated metal roofing and cladding sheets with its protective layer covering the roof sheet at the intrados, the head load that bears on the surface of the roof sheet is reduced by about 25% and attenuates heat bridges noticeably, constituting a barrier to heat dispersion. This phenomenon happens when in the presence of electrolytic solutions, two different metals are in contact with each other and a “potential” difference occurs between them.
The conduct of the two metals is that of a battery with one metal acting as an anode and the other as a cathode which, over time, leads to a more or less pronounced dissolution of the anodic part. This type of corrosion is known by the name of “galvanic corrosion”. Any kind of contact between the sheet and the underlying structure can be avoided by applying a Galvanic couples elimination
Thermal mass and Conduction
Top Metal Sheets Are Available In Following Options
1) Colour coated galvanise
3) Colour Coated Galvalume
ISO 845 1988 (E)
Emissivity Aluminium Foil
Excellent with AI Foil
ASTM D-543/BS 4618
-80 C to + 90 C
Heat Resistance (R-Value)
ASTM D 1056 -98
Water Vapour permeance (28 days)
Tensile Strength (N/m2)
BS 4370 Part 2
No Visible Changes observed
BS 4370 Part 1
a) Surface spread of flame Class 1
BS 476 Part 7
b) Fire Propagation Class 0
BS 476 Part 6
(For both plain and foil faced material)
Note:- Please refer the above data for guidance purpose only and may contact geometric steels office for further information .
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