Paper backed expanded metal lath is a versatile construction material primarily used in the preparation of plaster and stucco surfaces. Understanding its proper application can enhance both the durability and aesthetic appeal of your finishes.
Begin by ensuring the surface is clean, dry, and free of any loose material. This provides a solid foundation for the lath installation.
Using a measuring tape, determine the size of the area you need to cover. Use snips or a metal cutter to accurately cut the paper backed expanded metal lath to the appropriate dimensions.
Once cut, lay the metal lath onto the surface, ensuring it is level. It should overlap any seams by at least 1 inch to support the final finish.
Secure the lath in place using galvanized nails or screws. Space them approximately every 12 inches to ensure stability. Pay special attention to corners and edges to prevent sagging.
After installation, mix your plaster or stucco according to the manufacturer’s instructions. Apply the mixture using a trowel, starting from the bottom and working your way up. Ensure it fills the gaps in the lath for a smooth finish.
Choose the right size of lath for your project. Larger areas may require wider sheets to minimize seams.
Since paper backed expanded metal lath can be susceptible to moisture, it’s essential to use it in dry conditions and ensure proper ventilation during and after installation.
Always refer to the manufacturer’s guidelines for installation and mixing of plaster or stucco to achieve optimal results.
Using paper backed expanded metal lath correctly can significantly impact the quality and longevity of your plaster or stucco work. By following the steps outlined above, you can ensure a strong and durable finish that stands the test of time.
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