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.
Metal lath concrete wall.
Next install sheets of expanded galvanized metal lathe as foundation for the mortar under the veneer.
Metal lath provides a mounting surface on concrete walls for materials that are too heavy to mount otherwise especially stucco or stone veneers.
This will create a rough texture that can be felt when rubbing your hand down the face of the lath.
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.
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.
Metal lathe is a sheet of diamond patterned metal mesh that is used to hold stucco or mortar onto a wall.
Self furring metal lathe is attached to concrete bricks walls that are going to have stucco.
On concrete block or poured concrete walls a vapor barrier may not be required follow the suggestions of the veneer manufacturer.
How the expanded metal reinforcement works.
For light gauge steel our versapin st4200 fastening toolwas designed with that in mind and features a depth of drive adjustment.
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.
The expanded metal mesh for lathing uses are stainless steel sheets mild steel or galvanized or hot dipped sheets.
Aerosmith knows it s important for you to install your synthetic and metal lath quickly.
If cleaning of surface is too difficult metal lath may be affixed to the surface with concrete nails.
Stop metal lath 1 from finished edges.
Install a 2 5 or 3 4 lbs self furring diamond metal lath that complies with astm c847.
Steel lath for both interior and exterior projects if you require an easily cut material that can conform to curved surfaces.
With big spacing diamond openings.
There are several issues that arise when applying lath to cmu that should be discussed.
Use this 27 in.
The large number of openings provide for a better stucco bonding.