Metal lath is used as
a platform to embed and attach the stucco cementitious membrane to the structural members of the building
. Without the lath there would be little or no way to apply stucco to open frame or sheathed construction.
What is lath for stucco?
What Is Stucco Lath, Anyways? Lath is
simply the first step in the stucco process
. It consists of water resistant paper, (sometimes eps foam) wire and other metal components that make up the essential “framework” for the cement to be adhered to. It attaches to the substrate and is the structure for the following coats.
What is wire lath?
: a
plaster base
consisting of wire netting.
What is a steel lath?
Metal lath,
a mesh formed by expanding a perforated metal sheet
, is made in a variety of forms (diamond-mesh, flat-ribbed, and wire lath). The sheets of metal are slit and drawn out to form numerous openings, creating an irregular surface for the keying of the…
What is Diamond lath used for?
Application: Dimpled and v-grooved diamond metal lath is generally used in applications over solid surfaces such as
gypsum, concrete and wood sheathing block
. 5/16′′ × 9/16′′ for common interior plastering, 3/8′′ × 3/4′′ for stucco work or as a support for loose fill rock wool or similar insulation.
What is a metal lath construction?
Metal lath,
a mesh formed by expanding a perforated metal sheet
, is made in a variety of forms (diamond-mesh, flat-ribbed, and wire lath). The sheets of metal are slit and drawn out to form numerous openings, creating an irregular surface for the keying of the plaster.
What gauge is metal lath?
These are:
1.75, 2.5 and 3.5, (2.5)
being one of the most common weights used in the industry. Typical Sizes It Comes In: Expanded metal lath measures 27′′ wide by 8′ in length, just like the high rib lath and come in sheets too.
Do I need lath for stucco?
Stucco walls typically have
three coats
of plaster. Without the proper support, the force of gravity pulls the stucco off vertical walls. That’s where metal lath under stucco comes into play.
How is lath installed?
Lath is to
be wire tied at 9” on center at edges, ends and at laps between framing members
. On plywood sheathing only, lath may be nailed or stapled in lieu of tying at the same center spacing noted above. Corner beads shall be used to protect all external corners with a plumb and true edge.
Why is stucco bad?
But due to its brittle nature,
stucco siding will crack if a house foundation settles
. It simply isn’t the best choice in regions where soil is high in clay, notorious for swelling and causing foundations to shift. Over time, even stucco on homes with firm foundations can develop hairline cracks.
How do you apply metal lath?
expanded, galvanized, metal lath to each stud 6” on center-vertically, penetrating the studs at least one inch. Be sure to attach the lath horizontally. The surface should feel rough as you rub your hand upward. Install lath with a minimum
1” overlap on horizontal and vertical seams
.
Can you use metal lath for stucco?
Metal lath is
used in stucco installation to add support to the process
. Stucco is hard to get to stick to a surface without something else in place. Using metal lath is the most popular and cost effective solution to this.
What is Diamond lath?
DIAMOND MESH LATH is
manufactured by slitting and stretching galvanized steel
to form small opening to allow the keying of plaster so it will bond to the lath. Each sheet has square ends and smooth parallel edges for fast, easy handling and installation. Diamond Mesh Lath can be bent easily to create curved surfaces.
What is rib lath?
Ribbed Lath is a
versatile metal lath stiffened by the longitudinal ribs
. It has V ribs and greater tensile strength offering excellent plaster base and reinforcement for all types of walls, ceilings and fireproofing of steel beam, and columns. … It is commonly used for plaster machine application.
What is self furring lath?
Self-Furring Dimpled Diamond Mesh Lath is
used over solid surfaces
like concrete, cement board, column fireproofing, masonry and replastering over old surfaces. The self-furring dimples hold the metal lath 1/4′′ away from the surface to be plastered.
