The fastener may be passed through the sheet from below, the head being concave to clamp elastically on the soffit of the slab. The head and the shaft may be separate pieces which are joined by elastic interlocking. An alternative design uses a shaft with an enlarged conical head and a ...
We have a stamped concrete sidewalk that is settling in an area near one of our downspouts, probably due to erosion of the subbase underneath the slab. We plan to redirect the downspout, but how do we relevel the slab without causing damage?
The fastener may be passed through the sheet from below, the head being concave to clamp elastically on the soffit of the slab. The head and the shaft may be separate pieces which are joined by elastic interlocking. An alternative design uses a shaft with an enlarged conical head and a ...