Metal Lath Concrete Wall

Can be used as a plaster base and reinforcement on almost all types of walls and ceilings and over wood or steel framing.

Metal lath concrete wall.

With big spacing diamond openings. On concrete block or poured concrete walls a vapor barrier may not be required follow the suggestions of the veneer manufacturer. Because the materials you plan to attach to the lath are so heavy you need to fasten the lath in a way that attaches it securely without movement separate from the wall s surface. In accordance with local building codes install metal lath using galvanized nails or screws 6 on center vertically and 16 on center horizontally penetrating the studs a minimum of 1.

The large number of openings provide for a better stucco bonding. The florida lath plaster bureau discourages the use of lath over concrete masonry units cmu for a variety of reasons including water resistance durability cracking and cost. Next install sheets of expanded galvanized metal lathe as foundation for the mortar under the veneer. Self furring metal lathe is attached to concrete bricks walls that are going to have stucco.

For concrete and cmu aerosmith s traxpinand powerpin fastenerscan tackle the application with ease. Use this 27 in. Starting at the bottom of the wall the lath should be installed horizontally with the cups facing up to allow the lathe to catch and hold the scratch coat. Steel lath for both interior and exterior projects if you require an easily cut material that can conform to curved surfaces.

Stop metal lath 1 from finished edges. How the expanded metal reinforcement works. Metal lathe is a sheet of diamond patterned metal mesh that is used to hold stucco or mortar onto a wall. The expanded metal mesh for lathing uses are stainless steel sheets mild steel or galvanized or hot dipped sheets.

Metal lath provides a mounting surface on concrete walls for materials that are too heavy to mount otherwise especially stucco or stone veneers. Install a 2 5 or 3 4 lbs self furring diamond metal lath that complies with astm c847. If cleaning of surface is too difficult metal lath may be affixed to the surface with concrete nails. For light gauge steel our versapin st4200 fastening toolwas designed with that in mind and features a depth of drive adjustment.

There are several issues that arise when applying lath to cmu that should be discussed.