Patent ID: 7462001
Filing Date: 2008-12-09
Classification: E04B,E04G

Abstract:
1. A method for repairing and/or waterproofing and/or insulating and/or reinforcing a wall system by restoring the structural integrity thereof, the wall system comprising a solid aggregate structure consisting of blocks of material with a binder interposed therebetween, the solid structure extending between planes of arrangenment of opposite surfaces thereof, the method consisting: in locating cavities that exist and are formed in said solid structure by disaggregation of the block material or binder; in providing spaced injection holes within said wall system in a manner suitable to pass through said cavities that exist in the solid structure; in inserting injection tubes in said injection holes; in injecting in said injection holes, through said injection tubes, a substance that expands after injection as a consequence of a chemical reaction, fills said cavities and restores the structural integrity of the solid structure.