At Metalex, we strive to continuously evolve our processes and capabilities to serve the diverse needs of our clients. To that end, we are proud to offer a full and comprehensive line of expanded and perforated metal products, completely tailored to every specification for every project, with the highest quality and reliability every time.

Perforated and expanded metal are renowned metal types widely in use due to their versatility, flexibility, and malleability for a number of solutions. As manufacturing processes worldwide and across industries becoming increasingly specialized, perforated and expanded metal is the solution numerous companies turn to meet a diversity of specifications.

Perforated metal products are widely used in a diverse array of applications in many different industries. From construction to automotive, pharmaceutical to home appliances, perforated metals are indispensable for the success of a number of processes. These applications also include filtration, lighting fixtures, acoustical enclosures, farm equipment, store displays and fixtures, HVAC, and speaker grilles.

Perforated metal can be made of a similarly wide variety of materials. These include tinplate, stainless steel, galvanized steel, cold rolled steel, brass, aluminum, titanium, and copper.

Expanded metal products are also used in a diversity of applications. They are available in a few different types, most commonly light & small meshes, large, heavy, intermediate meshes, grating meshes, micro meshes, and much more.

Metalex expanded metal products include parks and recreation, car grilles, chimney caps, ceiling panels, catwalks and stairs, airbags, shelving, screening, and a number of architectural applications.

There are a number of considerations before purchasing a perforated or expanded metal product. Below is a guide for calculating gap size, which will affect the strength and flexibility for your specific project.

Formulas for Determining Percentage of Open Area

In each formula “D” = hole diameter and “C” = center spacing

ROUND HOLE
STAGGERED
PATTERN (60°)

Dia ²
Center ²
x
90.5
=
Percentage of Open Area

round_hole_staggered

ROUND HOLE
STRAIGHT
LINE PATTERN (90°)

Dia ²
Center ²
x
78.54
=
Percentage of Open Area

round_hole_straight

ROUND HOLE
DIAGONAL
PATTERN (45°)

Dia ²
Center ²
x
78.54
=
Percentage of Open Area

round_hole_diagonal