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Slab edge formwork is a formwork system used for supporting and shaping the edges of slabs. It is set along the outer edge of the slab and, along with the bottom formwork and support system, forms a complete mold for concrete pouring. Its main task is to control the boundary shape, thickness, and the verticality and flatness of the slab edges, while also withstanding the lateral pressure from the concrete during the pouring process.
A typical slab edge formwork includes the following parts:
Formwork panels: Usually wooden, steel, or aluminum alloy panels used to directly contact the concrete to form boundaries.
Support system: Includes steel support rods, braces, and walers to ensure the stability of the formwork during the concrete pouring process.
Connecting and fastening parts: Such as bolts, clamps, and connectors used for reinforcing and positioning the formwork.
Corner or edge treatment parts: Specialized components placed at external or internal corners to ensure neat edge forming.
Ensures slab edge precision
Slab edge formwork ensures that the slab edges are straight and flat after concrete pouring, meeting the geometric dimensions and structural precision required by the design.
Enhances concrete product quality
It prevents issues such as formwork shifting, grout leakage, and honeycombing at the edges, improving the overall appearance of the slab edges.
Aids subsequent construction
Accurate edge formwork positioning facilitates the smooth integration of subsequent construction such as exterior walls, railings, curtain walls, or decorative lines.
Highly adaptable and flexible construction
Slab edge formwork can be flexibly arranged according to different building types and structural forms, suitable for straight edges, irregular shapes, corners, and more.
The formwork needs to be firmly fixed to prevent blowouts or misalignment due to lateral pressure.
Edge formwork and bottom formwork should be tightly combined to avoid grout leakage.
Corner positions need special reinforcement to prevent deformation.
Formwork removal should wait until the concrete reaches the strength standard to ensure structural safety.
When using aluminum or steel formwork, pay attention to edge protection to avoid damage caused by concrete adhesion.
