These cast bronze taper thread closure plugs are used in caulk ferrule cleanouts that require a taper thread plug. They can be fitted with one of two square chrome plated bronze covers for a finished appearance on surfaces with straight line patterns. Fig. 4434 is designed for face-of-wall installation in tile, masonry, or dry wall construction. It is usually installed on an opening in the finished wall. Fig. (4435) is intended for flush-with-wall installation in plaster or wet wall construction and is installed during the wall construction. Both are fitted with anchoring lugs that secure the frame to the wall.
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