Expanded Metal Lath

Some people use the terms “expanded metal lath mesh” and “expanded lath metal” interchangeably. Both names refer to the sturdy steel sheet used to boost adhesion between render or plaster layers and the underlying structure. 

What Is Expandable Lath Mesh? 

Expandable mesh lath is created by slitting and stretching metal sheets to form a diamond-like mesh that grips plaster or render securely. Two metals commonly used to make the product are stainless steel and galvanised steel.  

The material’s open mesh design allows plaster or render to penetrate through the holes and lock into place once set. It is highly versatile and works effectively across a wide range of surfaces. 

What Is Metal Lath Sheet Used For? 

This material is ideal for:

• Forming a base for internal plaster or external render. 
• Creating a stable foundation for fireproofing, sound insulation, and stucco finishes. 
• Strengthening soffits, walls, and ceiling finishes. 
• Supporting curved or irregular surfaces where boards will not fit. 
• Acting as a carrier for render in multi-coat systems. 

Its adaptable design performs reliably in modern and traditional building systems. 

Benefits Of Galvanised Metal Lath Mesh 

Lath mesh offers numerous lasting advantages, such as: 

• Stable key for plaster, stucco, and render applications. 
• Galvanised finish that protects against rust and corrosion. 
• Even coating application and crack resistance.  
• Flexible for on-site resizing and reshaping.  
• Suitability for both hand- and machine-applied coatings. 
• Durability that makes it perfect for ceilings and curves. 

Why Choose Our Expandable Lath Mesh? 

Trades across the UK use expanded metal lath sheets from Insulation Wholesale. Here’s why customers choose us: 

• Range of galvanised and stainless steel mesh options with UKCA marking.  
• Expanded, not woven, for superior bonding and strength. 
• Trade-sized metal lath sheets for fast, accurate fixing. 
• Bulk-order pricing and reliable UK delivery. 
• Expert help to match the right mesh to your project. 

Get a smooth, durable render finish with high-strength expanded metal lath sheets. Order online today for nationwide delivery and site-tested quality. 

FAQ

Where to buy expanded lath mesh? 

Lath sheets are available from approved suppliers such as Insulation Wholesale. We offer high-grade galvanised and stainless steel options with next-day delivery throughout the UK.

What is expanded metal lath? 

Expanded metal lath is a metal sheet that is slit and stretched to create a mesh pattern. It serves as a backing for plaster or render.

How to install expanded metal lath 

• Orient the mesh so that the long axis of the diamond runs horizontally on the surface. 
• Fix the metal lath sheet to the substrate using nails, screws, or wire ties. 
• Ensure the mesh is tight. 
• Overlap the edges by at least 25mm. 
• Spread plaster or render over the mesh. 

What is expanded metal lath used for? 

Stainless steel or galvanised metal mesh lath acts as an underlying support for render, plaster, and fireproof coatings on arches or wall and ceiling structures. The material creates a lasting, crack-resistant finish.