Simpson Strong-Tie GWL-100 GWL Lathing Washer (1,000-Qty) is a steel lathing washer engineered by Simpson Strong-Tie for attaching lath to wall surfaces in preparation for overlaying scratch coats, brown coats, and stucco. Designed for use with both the G3 gas-actuated fastening tool and the GCN-MEPMAGKT gas-actuated concrete nailer tool, these 1-inch diameter washers provide a wide holding area and snap effortlessly onto the tool's magnetic ring - no extra tools required - delivering fast, reliable lath installation on concrete and CMU substrates.

Key Features

• Easily attaches lath to substrate
• Provides a wide holding area for fastening lath to walls
• Easily snaps on to magnetic ring (G-422 or GMR-2, sold separately)
• No extra tools needed to install the washer and magnetic ring on the nosepiece of the tool
• 1-inch diameter
• Quantity: 1,000 per package

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: GWL-100
• Diameter: 1 inch
• Material: Steel
• Quantity: 1,000 per carton
• Country of Origin: China

Approved Applications

• Attaching lath to concrete substrate
• Attaching lath to CMU (concrete masonry unit) substrate
• Preparing wall surfaces for scratch coat application
• Preparing wall surfaces for brown coat application
• Preparing wall surfaces for stucco overlay
• Use with G3 gas-actuated fastening tool (with G-422 magnetic ring, sold separately)
• Use with GCN-MEPMAGKT gas-actuated concrete nailer tool (with GMR-2 magnetic ring, sold separately)

Frequently Asked Questions

Which tools are compatible with the GWL-100 lathing washer?

The GWL-100 is designed for use with both the G3 gas-actuated fastening tool and the GCN-MEPMAGKT gas-actuated concrete nailer tool. The washer is held onto the single-shot nosepiece of the G3 using the G-422 magnetic ring, or onto the GCN-MEPMAGKT using the GMR-2 magnetic ring (both magnetic rings sold separately).

What type of fastener is used to attach the GWL-100 washer to the substrate?

The GWL-100 washers are attached to concrete or CMU substrate using gas-driven pins (GDP), which fasten directly through the washer to secure the lath to the wall surface.

Do I need additional tools to install the GWL-100 washer onto the tool's nosepiece?

No extra tools are needed. The GWL-100 easily snaps onto the magnetic ring (G-422 or GMR-2) on the nosepiece of the tool, making setup quick and straightforward.

How many lathing washers are included in one package of GWL-100?

Each carton of GWL-100 contains 1,000 lathing washers, making it well-suited for larger lath installation projects requiring consistent, efficient fastening.

Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.