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US 6,640,518 B2Granted
Method of ballasting roof covering layers on substantially flat roof surfaces
OwnerFrederikus Gerardus Maria Bolinventor
Life of this patent
Estimating the term…
Abstract
A mortar of a granulated mineral wool, a hydraulic binder and water is placed on a roof to prevent roof covering layer(s) of a substantially flat roof from being blown up in stormy conditions. The roof surface to be ballasted is divided into panels by placing joint elements thereon. The mineral wool component includes rockwool waste originating from horticulture and glass fibre wool waste.
Claims5
A method of ballasting roof covering layer(s) on a substantially flat roof, comprising the steps of
- placing joint strips or joint profiles on the roof surface to be ballasted, which divide said surface into panels;
- and
- 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.