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    Project Description

    Corotop® METAL 440

    A product made of the three-layer Corotop membrane and a drainage mat with specially designed weave placed from the external side. The drainage mat provides distance between used metal sheets and the membrane creating a durable and effective roof coverage system. The membrane is resistant to influence of high temperatures and UV-rays. It ensures optimal ventilation as well as vapour permeability at the same time.

    Application:

    • under roof coverage from flat metal sheets placed on both ventilated and not ventilated boarded roofs
    • on slope roofs covered with flat metal sheets
    • recommended under any types of standing seam or overlap steel sheets

    Advantages:

    • protects roof steel sheets againts corrosion
    • suppresses sounds of atmospheric precipitation and provides great acoustics
    • guarantees roof’s ventilation in a metal sheets roof coverage
    • a special drainage mat prevents a roof membrane from overheating
    • easy in application
    • also available in version with 2 adhesive stripes (Corotop Metal 440+)
    Technical data
    Reaction to fire class E
    Resistance to water penetration class W1
    Resistance
    along 320 [N/50mm]
    across 200 [N/50mm]
    Stretching
    along 75 [%]
    across 100 [%]
    Resistance to tearing
    along 210 [N]
    across 270 [N]
    Flexibility at low temperature NPD
    Artificial aging
    Resistance to water penetration NPD
    Resistance
    along NPD
    across NPD
    Stretching
    along NPD
    across NPD
    Grammature 440 [g/m2]
    Vapour Permeability (SD) 0,02 Sd [m]

    Download:

    Project Details
    Category: roof-underlays

       ADDRESS

    CB S.A.
    46-053 Chrząstowice
    ul. Ozimska 2A

    Telephone: +48 77 400 50 40, +48 77 400 50 41
    Fax: +48 77 400 50 45
    E-mail: info@corotop.com.pl

       CONTACT US

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