Anti-Crack Fiberglass Mesh

Anti-crack fiberglass mesh is a specialized reinforcement material embedded into wet basecoat plaster or render to absorb tension, distribute stress, and prevent surface cracking.

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admin@jinjuewiremesh.com

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+86-15831806566

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Product Specification

Product Number	Weight (g/m²)	Mesh Size (Counts/inch)	Wrap Tensile Strength (N/5cm)	Weft Tensile Strength (N/5cm)	Roll Size (m)
1	75	2.52.5-1010	800	800	1*50
2	90	2.52.5-1010	900	900	1*50
3	110	2.52.5-1010	1000	1000	1*50
4	130	2.52.5-1010	1000	1200	1*50
5	145	2.52.5-1010	1200	1400	1*50
6	160	2.52.5-1010	1500	1800	1*50

Product Feature

Alkali Resistance: Must be coated (typically with an alkaline-resistant latex or polymer) to withstand the harsh, high-alkali environment of cement, lime, and plaster without degrading over time.

Weight / Density: Varies by application; lighter meshes (around 70g/m²) suit interior gypsum repairs and crack bridging, while standard or heavy-duty meshes (145g/m² to 168g/m²) are used for general rendering, facades, and external wall insulation.

Mesh Aperture / Weave: Commonly features a 4×4 mm or 5×5 mm grid pattern, balancing mortar penetration with high tensile strength.

Adhesive vs. Non-Adhesive: Most exterior and heavy-rendering meshes are non-adhesive, meaning they are pressed directly into a freshly applied wet basecoat rather than stuck on with a pre-applied sticky backing.

How to Install for Wall Rendering

Apply First Basecoat: Trowel an initial layer of base render, plaster, or mortar onto the wall surface.

Embed the Mesh: Roll or press the fiberglass mesh (such as options from Impera Italia or Cornish Lime) smoothly into the wet first coat while it is still soft. Ensure adjacent strips overlap by at least 10 cm.

Trowel Flat: Smooth the mesh completely flat using a plastering trowel so no wrinkles, air pockets, or dry spots remain, and make sure the mesh sits roughly in the upper third of the basecoat.

Apply Second Coat: Once the first coat sets or firms up, apply the second base or finish coat over the mesh before proceeding with final painting or decorating.