What is meant by self-furring?

Last Update: April 20, 2022

This is a question our experts keep getting from time to time. Now, we have got the complete detailed explanation and answer for everyone, who is interested!

Asked by: Mr. Vern Gutmann IV
Score: 4.1/5 (15 votes)

Said of metal lath or welded wire fabric having some means of spacing it from a wall; when plaster, stucco, or concrete is applied to the fabric, the space makes it possible to key, 8 the applied material to the metal lath or welded wire fabric.

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.

What is lath and furring?

A self-furring expanded dimpled metal lath ideal for interior and exterior use over sheathing, masonry, and other solid surfaces as required per ASTM C847, ASTM C1780, ASTM C1063. The 1/4" dimpled furring allows for more thorough plaster or stucco embedment into and behind the lath for superior mechanical bonding.

What furring means?

1 : a fur trimming or lining. 2a : the application of thin wood, brick, or metal to joists, studs, or walls to form a level surface (as for attaching wallboard) or an air space. b : the material used in this process.

What is furring strip used for?

In construction, furring (furring strips) are thin strips of wood or other material to level or raise surfaces of another material to prevent dampness, to make space for insulation, or to level and resurface ceilings or walls. Furring refers to the process of installing the strips and to the strips themselves.

how to stucco lath a stud wall with self-furred paperback wire

43 related questions found

Which direction do you install metal lath?

For the metal lath, attach 2.5 lb. 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.

What is C1063 ASTM?

ASTM C1063 - 21 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster.

What is metal 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 are metal lath used for?

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 metal lath and how is it used?

Metal lath is used to prevent or decrease wall crackings in either pumped or troweled application. Sheet metal lath is slit and expanded into small diamond openings (approximately 11,000 per square yard). ... Therefore expanded metal mesh is usually self-furred: dimpled and V-grooved.

How do you attach stucco to lath?

Place metal lath starting at the lowest right-hand corner of the wall. Set the bottom, horizontal edge of the metal lath into the stucco stop. Secure the lath to the sheathing with galvanized roofing nails. Ensure that the nails are long enough to penetrate the sheathing and go least 1 inch into the studs.

What are stucco control joints?

Control or expansion joints are the Stucco industry's solution for minimizing and controlling cracking in stucco wall systems. ... per ASTM C 1063 – recommends that Control Joints be used to delineate stucco areas not greater than 144 sq. ft., or at maximum distance of 18 feet between Control Joints.

Does metal lath need to overlap?

First let's deal with the proper lapping of metal lath. Some of our experts feel that too large of a lap is as detrimental as too small of a lap. 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.

How do you fasten lath?

Lath should be wire-tied at nine-inch intervals on edge and end laps to prevent separations. In order to allow the plaster or stucco to properly adhere to the lath, a minimum 1/4-inch gap should be maintained between the lath and the surface of the wall.

Do you need control joints in stucco?

While this measurement (and other spacing restrictions from ASTM C1063, Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-based Plaster) are a requirement for stucco on lath, control joints (CJs) are not generally needed in direct-applied except for where ...

What is the difference between expansion joints and control joints?

Control joints can be isolated within the plane being treated (brick facades, concrete sidewalks) while expansion joints must bisect the entire structure thereby creating a gap throughout all of the building elements—foundation, walls, curtainwalls, plaza decks, parking decks, floors, and roof.

How often do you need expansion joints in stucco?

Stucco does not require expansion/contraction joints (also called control joints) when directly applied to concrete, concrete block, or other masonry, except where there is a change from one material to another.

Do you need plywood under stucco?

Stucco requires a rough surface that it can bond to, like the aforementioned masonry. Plywood products don't offer this, so lath needs to be applied, providing something for the stucco to bond to.

Can I use chicken wire for stucco?

20 Gauge Wire (One Coat Stucco Wire):

There is really only one style and it resembles the look and thickness of traditional chicken wire. This is really the only type of wire that is used for a one coat stucco installation and the wire is made specifically for it too, so keep that in mind.

How much does stucco cost per square foot?

Stucco Cost Per Square Foot

Stucco costs $8 per square foot, with most people spending between $7 and $9 per square foot. This includes materials, labor and equipment.

What saw is best for cutting metal?

Cut Metal with Your Circular Saw

It may not be an obvious choice, but fitted with the right blade, a circular saw is a great metal-cutting tool. In our test, it cut through rebar like a hot knife through butter. You can cut mild steel up to about 3/8 in.

What kind of saw do you use to cut metal?

The hack saw is the most common hand saw used to cut metal. The hack saw's most recognizable characteristic is a rigid, C-shaped frame attached to a pistol grip handle. A thin, slightly flexible blade runs across the open portion of the hack saw's frame.