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Interior Handset Stone Applications

Q: What is the most common application method used to hang interior handset stone?

A: The common — and most cost effective — method of hanging interior stone is the “spot and tie” method. In this application, usually copper or other # 9 non-corrosive wire is used to secure the stone to the back-up wall laterally. A gypsum casting plaster spot is applied to the connection to ensure alignment.

The first course of stone is secured by a gravity anchor or relief angle to carry the load of the stone above. The following courses of stone are drilled on the edges to accept the wire. The wire is inserted into the hole and a wood shim is forced into the hole to secure the wire. The wire is then tied back through a hole to the back-up wall.

The stone is checked for level and plum. A “spot” of plaster is applied to encase the wire and immobilize the tie back.

Resource: International Masonry Institute – IMI – www.imiweb.org