Huanghua Jinhe Hardware Products Co., Ltd. is one of the most professional manufacturers and suppliers of external wall crack prevention mesh in China, also supports customized service. Welcome to buy cheap external wall crack prevention mesh made in China here and get free sample from our factory. Quality products and low price are available.
Features of External Wall Crack Prevention Mesh： Strong Alkali Resistance： Cement and mortar are inherently alkaline. Ordinary fibers buried in plaster layers for extended periods are easily corroded and become brittle. This outer coating isolates the fibers from alkaline erosion, ensuring minimal decrease in fiber strength even after over a decade of burial.
Moderate weight and good toughness： It's not heavy to hold, won't add weight to the wall when applied, and is resilient enough not to break easily when stretched or cracked by slight bending.
Neat mesh for strong mortar adhesion： The square gaps are just the right size, allowing mortar to fully embed into the mesh and adhere firmly to the base layer, preventing plaster from blistering, peeling, or flaking.
Stabilizes well： It won't shrink or stretch significantly under high temperatures or low temperatures, and maintains its flatness under seasonal temperature changes, preventing gaps caused by pulling on the plaster layer.
Environmentally friendly and odorless： The production process produces no harmful volatile substances, so it won't produce a pungent odor during new house construction or renovation. It's safe for both interior and exterior wall construction.
The core function of the external wall crack prevention mesh is to distribute wall stress, essentially adding a soft reinforcing layer to the plaster. When the wall expands and contracts due to temperature changes or slight settlement generates tensile force, the entire mesh can distribute the concentrated force across the entire wall surface, preventing localized tearing and cracking. It also boasts excellent impact resistance, cushioning against everyday bumps and impacts from strong winds carrying sand and gravel, reducing surface damage. It remains mold-free and rust-free even after long-term outdoor exposure to sun and rain, offering excellent moisture and water resistance; rainwater penetration into the plaster layer will not corrode the mesh. Furthermore, it has a high tolerance for construction errors; minor pulling or wrinkling during installation will not affect the overall crack prevention effect later.
Main uses of external wall crack prevention mesh：
New house exterior wall insulation projects： Used in conjunction with extruded polystyrene boards and rock wool insulation layers, with a layer of crack-prevention mesh sandwiched in the middle of the plaster layer to prevent cracking of the insulation board surface.
Exterior wall plastering base layer： When plastering concrete walls and aerated concrete block walls, the entire wall is covered with mesh to solve the problem of cracking at the joints between blocks and concrete beams and columns.
Renovation of exterior walls in old residential areas： For walls with peeling paint and fine cracks, the old layer is removed, mesh is applied, and then plastering is done again to prevent recurring cracks.
Tile and stone cladding base coats： Mesh is applied to the base coat before laying tiles or marble to enhance mortar adhesion and reduce the probability of tiles becoming hollow and falling off.
Roof and balcony waterproofing reinforcement： Mesh is added to the roof waterproofing protective layer and balcony exterior wall plastering to mitigate cracking and leakage caused by temperature differences.
Exterior wall insulation construction for high-rise and multi-story residential buildings; renovation and refurbishment of exterior walls in old urban and rural residential areas; exterior wall cladding for shop fronts, stone-like paint, and water-based sand coating; joints between brick-concrete structures and lightweight partition walls; exterior walls in rainy and humid southern regions and outdoor walls in northern regions with large day-night temperature differences; large-area exterior wall plastering for factories and warehouses; base coat treatment for villa exterior stone and imitation stone coatings. Even in outdoor environments with large temperature differences, heavy rain, and strong winds and sandstorms, it can still maintain a stable crack-prevention effect when used outdoors for a long time. Local areas that are prone to water seepage and cracking, such as the junction of interior walls, kitchen and bathroom exterior walls, and the exterior facade of bay windows, can also be locally trimmed and reinforced.
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