Decra Roofing Resource Centre, over 30 year’s experience of finding the right lightweight roofing solutions

Warm Roof Structures - Control of Condensation

Choose the warm roof structure that applies to your roofing projects structure.

Duo pitch roof with clear air path
Where underlay/breather membrane is to be installed on top of counterbattens.
OR
Where 50mm air passageway between insulation and underlay/breather membrane occurs below the top face of the rafter.

Read more about the control of condensation requirements for this type of construction and the Decra solution

   

Duo pitch roof with clear air path
Where breather membrane is to be installed on top of rafters (i.e in contact with insulation) and underneath 50mm x 50mm counterbattens (or 38mm where Monarperm Breathe vapour permeable membrane is used).

Read more about the control of condensation requirements for this type of construction and the Decra solution

 

    Contact Us

    Contact Us

    To discuss your project in more detail please contact
    Your Local Area Manager

     

    Technical Support

    Telephone:

    0161 865 4444

    Email: technical.uk@icopal.com

     

    Sales Enquiries & Orders

    Telephone:

    0843 224 7400

    Fax:

    0843 224 7401

    Email: sales.uk@icopal.com

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