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Coil Mesh

Coil Mesh

A high quality expanded galvanised or stainless steel mesh for use primarily as anti-cracking reinforcement in the construction of brick and block masonry. Coil Mesh is available in a variety of widths to suit most wall constructions and is supplied coiled for ease of handling. Additional applications include strengthening cornices, low walls and balconies over door and window openings.

Galvanised steel to BSEN 10327-DX51D+Z275.

High quality stainless steel to BSEN 10088-2-1.4301.

Ordering information
Specify from the range of widths offered in the table above to suit the particular brick or blockwork used. If stainless steel is required add ‘SS’ to the product reference i.e. CM64/20/SS.


Galvanised Product ReferenceUseWidth(mm)Length of Coil Product ReferenceStainless steelUse
CM64/20Internal6420CM64/20 SSExternal
CM114/20Internal11420CM114/20 SSExternal
CM178/20Internal17820CM178/20 SSExternal
CM229/20Internal22920CM229/20 SSExternal
CM305/20Internal30520CM305/20 SSExternal

How to Install Catnic Coil Mesh?

The coil mesh is laid in strips between brick or block courses leaving approximately 25mm clearance from the faces of the work. Where coil mesh joins are required, ensure they overlap by at least 75mm.

The reinforcement is then simply embedded in the mortar for the next course.

In most instances, application every third course, for the full length of the wall, will be sufficient.

To reinforce brickwork at an opening, e.g. window or door, mesh should be installed to overlap part of the opening, and part of the solid wall.

Thinking of the width of the opening, lay the mesh approximately a quarter of the way across the opening. The mesh should lie the same distance again, across the solid wall.

Above windows or doors, install Catnic mesh for 2-3 courses, starting from the course above the lintel as shown below.