SCUDOTHERM ONDA consisting of a wave profile expanded polystyrene board , and is laminated to an elastoplastomeric membrane, having two selvedge.
It is available in various densities. Two sides of the board have step joints, to ensure perfect, stable positioning.
The system is fixed mechanically to the roof deck by expansion bolts having large diameter washer.
The system is used for the refurbishment of asbestos cement corrugated decks, together with a cap sheet consisting of a mineral surfaced polymer bitumen membrane, fully bonded on the laminated membrane.