Expanded Metal Lath Ceiling

Metal lath patented in england in 1797 began to be used in parts of the united states toward the end of the 19th century.

Expanded metal lath ceiling.

Metal lath was better able to hold plaster than wood lath had been. The final steel supports were hung from wire ties connected to fasteners that had been pin shot fasteners shot into the sides of concrete ceiling joists. It is proven over time to possess exceptional strength and flexibility making it the preferred metal base requested by contractors and design professionals. Walls and ceilings that use metal lath for the plaster base should be divided into rectangular panels with an expansion type control joint at least every 18 feet or at the juncture of a dissimilar wall or in either direction in a length to width ratio of 2 to 1 or in ceilings or walls exceeding 144 in area.

The large number of openings provide for a better stucco bonding. Use this 27 in. Expanded metal lath is formed from sheet steel that has been slit and expanded to form hundreds of keys per square yard. Expanded mesh metal lath for plaster walls ceilings expanded metal lath has been widely used to support both interior plaster in buildings and exterior building wall stucco systems.

Can be used as a plaster base and reinforcement on almost all types of walls and ceilings and over wood or steel framing. Overview providing a finish for masonry ceilings suspended ceilings timber frame and buildings the expamet expanded metal lathing is manufactured from galvanised steel. The lath was wired to steel pipes or bars that in turn were hung from a smaller number of steel supports. This plaster ceiling was applied on expanded metal lath.

Easy to use and fix this mesh offers a coarse surface finish that creates grip for adhesive to stick to making it simple to plaster or render. This article explains plaster systems based on metal lath in building interiors. Steel lath for both interior and exterior projects if you require an easily cut material that can conform to curved surfaces. These spaces increased the number of keys.

The steel making up the metal lath contained many more spaces than wood lath had contained. This type of wire lath is intended for ceilings and soffits. 300mm maximum fixing centre. It resembles expanded metal lath in a way but is much more rigid due to the grooves that run down the length of the wire.

Astm c 1063 requires that expanded metal lath be lapped a minimum of 1 2 inch along the long dimension of the sheet and a minimum of 1 inch along the end of the sheet.