Building Product Brochures & Datasheets

Roof Thermal Insulation

Roof Insulation from A-Z

D&D Roof Insulations supplies roof insulation materials fit for large-format steel roof structures with steel cladding, roof sheeting, side cladding and more

Over Purlin Insulation

IsoBoard Insulation installed over purlin under roof sheet. — In South Africa, the bulk of retail and industrial buildings are steel-sheet clad frames, where 70% of the heat gain is through the roof. IsoBoard over purlin insulation is the most cost effective method of achieving thermal efficiency in these buildings.

Isoboard Physical Properties

IsoBoard, high-density extruded polystyrene rigid thermal insulation board, having 100% closed cell structure!

Under Soffit Ceilings

Where construction, design and / or cost implications prohibit the installation of an inverted roof insulation system, the requirement for insulation is met by fixing IsoBoard to the under soffit surface of the slab as a ceiling.


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