Stucco lathing, a critical process in constructing durable and aesthetically pleasing stucco walls, involves a variety of wire types, each serving a unique purpose. This comprehensive guide aims to demystify the different kinds of lath wire used in stucco lathing, enhancing understanding for homeowners, DIY enthusiasts, and professionals in the field.
Understanding 17 Gauge Wire in Three Coat Stucco Systems
17-gauge wire, predominantly used in three coat stucco systems, is renowned for its strength and durability. Characterized by its quarter-inch furrow, this wire facilitates the ‘keying in’ of the stucco mix, a crucial aspect for optimal base coat adhesion. Available in square and honeycomb patterns, it caters to personal preferences while maintaining quality. The furring process, executed through machine crimping, ensures a consistent standoff from the wall, providing a gap essential for proper installation. Typically galvanized to resist corrosion, this wire type measures 36 inches in width by 150 feet in length, covering approximately 450 square feet. Prices vary but expect to pay around $45 to $60 per roll.
20 Gauge Wire: Ideal for One Coat Stucco Applications
Slightly thinner and more flexible than the 17-gauge, 20-gauge wire is specifically designed for one coat stucco applications. Resembling traditional chicken wire, it features smaller openings and is less robust compared to its 17-gauge counterpart. This wire type also comes in rolls of similar dimensions and is priced between $40 to $55.
High Rib Lath: Specialized for Ceilings and Soffits
High rib lath, distinguished by its rigid grooves, is ideal for ceiling and soffit applications. Its unique design minimizes plaster fallout, ensuring a secure hold. Due to its rigidity, cutting with tin snips can be challenging, often requiring a grinder for efficiency. Available in sheets of 27 inches by 8 feet, the price ranges from $4 to $10 per sheet.
Expanded Metal Lath: Versatile for Various Applications
Expanded metal lath, known for its small wire pattern, is versatile, accommodating patches, transitions, and uneven surfaces. Though more expensive, it’s a preferred choice for stone veneer projects. Available in three different weights, it typically measures 27 inches by 8 feet in sheets, costing between $3 to $9 each.
Paperback Stucco Wire for Open Stud Applications
This wire type, with attached paper, is predominantly used for open stud applications. The integration of wire and paper ensures a cohesive overlap, essential for effective installation. Usually, two layers of 60-minute building paper are applied prior to this wire to mitigate potential leakage. Available in rolls and sheets, it costs approximately $60 to $85 per roll or about $10 per sheet.
Fiberglass Wire (Mesh): A Lightweight Alternative
Fiberglass mesh, an alternative to metal lath, offers ease of cutting and lightweight handling. While it’s harder to source and more expensive, it’s a viable option for those seeking user-friendly material. It adheres to code compliance and is installed similarly to traditional metal lath.
Wood Lath: The Traditional Choice
Wooden slats, once a common choice, are now less prevalent due to the labor-intensive installation and higher costs. However, they remain a viable option for certain applications, offering a straightforward and traditional approach.
FAQs About Metal Lath in Stucco Applications
This section addresses common questions about metal lath, such as nailing patterns, which generally adhere to a “6 and 12” interval but may vary based on local building codes. Understanding the concept of furred wire, the significance of K lath, optimal cutting methods, and appropriate wire overlap are crucial for effective stucco lathing.
Enhancing Article Credibility and Safety Considerations
To enhance credibility, it’s important to note my background in construction and stucco applications. While I have extensive practical experience, I also continually update my knowledge through industry courses and certifications. Safety is paramount in construction work. Always use appropriate protective gear and consider consulting a professional for complex projects. Remember, adherence to local building codes is not just a recommendation but a necessity for ensuring the safety and integrity of your stucco work.
This guide aims to empower readers with detailed, accurate information about different wire types used in stucco lathing. By understanding the specifics of each type, from 17-gauge wire to expanded metal and fiberglass mesh, you can make informed decisions for your stucco projects. Whether you’re a homeowner undertaking a DIY project or a professional in the field, this knowledge is crucial for achieving both aesthetic appeal and structural integrity in your stucco applications.
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