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US 2001/0022059 A1Published application
Method of ballasting roof covering layers on substantially flat roof surfaces
OwnerFrederikus Gerardus Maria Bolinventor
Life of this patent
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Abstract
To prevent the roof covering layer(s) of a substantially flat roof from being blown up in stormy conditions a mortar is put thereon, which comprises a granulated mineral wool, a hydraulic binder and water. Preferably the roof surface to be ballasted is divided—by placing joint elements thereon—into panels. Advantageously rockwool waste originating from the horticulture and glass fibre wool waste may be used as the mineral wool component.
Claims6
A method of ballasting the roof covering layer(s) on a substantially flat roof, comprising the steps of
- applying a layer of ballasting material on the roof covering layer(s), wherein said ballasting material is formed by a mortar, which is mainly composed of a granulated mineral wool, a hydraulic binder and water, said mortar being allowed to set after being applied on the surface to be ballasted.
Dependencies are inferred from the claim text.