Expanded Mesh Lath Weep & Sill Screeds Have the Functions of Reinforcement, Decoration and Drainage

Expanded mesh lath weep & sill screed is mainly used to strengthen the connection between steel mesh and plastered wall corners to improve the overall stability. It can prevent cracks and damage at the corners, ensuring neat and beautiful corner lines. It mainly manifests in the following aspects:

  • Enhance connection strength. Expanded mesh lath weep & sill screed can firmly fix the expanded mesh at the corners, enhancing the stability of the overall structure and effectively preventing cracking at the corners.
  • Prevent damage and bulging. Corners are prone to collisions and squeezing. Using expanded mesh lath weep & sill screed can effectively protect the expanded mesh, and avoid bulging or damage.
  • Enhanced seismic performance. The use of expanded mesh lath weep & sill screed can improve the overall seismic resistance of the grid plasterboard system, maintaining good integrity even when subject to external forces.
  • Beautify wall corner lines. Expanded mesh lath weep & sill screed can cover the joints at the corners of the walls, making the corner lines cleaner and smoother, enhancing the overall decorative effect.
4 types of expanded mesh lath weep & sill screeds on a white background.
Category
  • Flat diamond metal lath without paper

    2" (NOMINAL) J-Weep Low-Back

  • A 3-1/2

    3-1/2" J-Weep High-Back

  • An FHA-7 weep sill screed corner code for installing expanded mesh

    FHA-7 Weep Sill Screed

  • A #66 N short flange casing bead type corner code for installing expanded mesh

    #66 N Short Flange Casing Bead

2" (NOMINAL) J-Weep Low-Back

2" (nominal) j-weep low-back is typically used around door and window openings and at the intersection of different wall types (where stucco or EIFS terminates intersect with other wall types). During installation, the j-weep low-back can be secured to the frame or sheath with nails, screws, or staples. Then, install the covering materials such as foam insulation, cement board, or expanded mesh on the corner lath. It is important to note that the raised ridge of the metal j-weep low-back must extend beyond the plane of the covering material to ensure effective drainage.

Table 1: 2" (NOMINAL) J-Weep Low-Back Specifications
Product Code Grounds Depth Length Lbs./Ft. Pcs./Carton
JWLB w/Weep Holes
JCLB w/o Weep Holes
1/2" 2" 10' 16 lbs. 10
3/4" 2" 10' 18 lbs. 10
1-3/8" 2" 10' 22 lbs. 10
3-1/2" J-Weep High-Back

3-1/2" j-weep high-back features a J-shaped design with a high back structure. Primarily used for wall and ceiling decoration and connection, it serves multiple purposes such as waterproofing, decoration, and connection reinforcement. It is widely used in various building decoration projects. The perforated area can be used for stairwell drainage or ventilation, while the square bend can accommodate 1" rigid insulation and 3/8" layer of plaster application.

Table 2: 3-1/2" J-Weep High-Back Specifications
Product Code Grounds Depth Length Lbs./Ft. Pcs./Carton
JWHP 3/8" 3-1/2" 10' 22 lbs. 1
1/2" 3-1/2" 10' 23 lbs. 1
3/4" 3-1/2" 10' 24 lbs. 1
7/8" 3-1/2" 10' 26 lbs. 1
1-3/8" 3-1/2" 10' 29 lbs. 1
FHA-7 Weep Sill Screed

FHA-7 weep sill screed is used at the bottom of windows and door frames, often installed at the junction of the threshold and the exterior concrete foundation, forming a drainage channel with the wall gap to allow trapped moisture or water to drain to the outside of the building.

It features easy installation, and can effectively prevent water accumulation from damaging door and window frames, and extend the service life of doors and windows, etc.

Table 3: FHA-7 Weep Sill Screed Specifications
Product Code Ground Flange Length PCS./BDL.
FHA7 1/2", 5/8", 3/4", 7/8", 1-3/8" 3-1/2" 10' 10
#66 N Short Flange Casing Bead

#66 N short flange casing bead is a multi-functional decorative accessory that features water-stopping, decoration and connection reinforcement during installation, bringing a beautiful effect to wall and ceiling decoration. It is often used for exposed decoration around wall openings and connections, or at intersections of plaster and other wall or ceiling finishes. When used with expanded mesh, the #66 N short flange casing bead type is typically installed below it.

Table 4: #66 N Short Flange Casing Bead Specifications
Product Code Ground Length PCS./Ctn. Ft./Ctn. Wt./Ctn. Ctn./Skid
SFCB 3/8" 10' 30 300' 46 lbs. 20
1/2" 10' 30 300' 46 lbs. 20
3/4" 10' 30 300' 49 lbs. 20
7/8" 10' 30 300' 54 lbs. 20
1" 10' 30 300' 56 lbs. 20
1-1/4" 10' 30 300' 60 lbs. 20