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US 10,040,726 B2Granted
Method for producing an insulating composite building block
AssigneeLafarge
InventorsHélène Lombois-Burger, Cédric Roy, Christophe Levy
Life of this patent
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Abstract
A method for producing a composite insulating mineral block, includes providing a mineral masonry block including at least one cell with walls having a water absorption rate of less than 5 g/(m2·s) at 10 minutes, and filling the cell with a mineral cement foam, wherein a cement used to produce the mineral cement foam has an aluminum oxide content of less than 20% by weight of the cement.
Claims16
A method for producing a composite insulating mineral block, comprising the following steps:
- a) providing a mineral masonry block comprising at least one cell with walls having a water absorption rate of less than 5 g/(m2·s) at 10 minutes, and
- b) filling said cell with a mineral cement foam, wherein a cement used to produce said mineral cement foam has an aluminium oxide content of less than 20% by weight of the cement.
Dependencies are inferred from the claim text.