12mm formwork sheet

Types of 12mm formwork sheets

12mm formwork sheets are also known as construction formwork. It is the temporary structure that holds and shapes concrete during installation. Formwork is a crucial part of any construction project since it ensures the concrete is set in the desired shape. 12mm formwork sheets are one of the many types of formwork used in construction. They are made from different materials, including:

• Plywood: A popular option for formwork, plywood is made by gluing the sheets of wood together. It is preferred for its strength, stability, and resistance to warping. Plywood formwork sheets are lightweight and reusable, making them a cost-effective option for many construction projects.
• Steel: Steel formwork is a more durable and long-lasting option. The steel used to make the formwork sheets is usually treated with anti-corrosive material to prevent rusting. Steel formwork is also preferred for its ability to create smooth concrete finishes. However, it is heavier and more expensive than plywood formwork.
• Aluminum: Aluminum formwork is a modern construction technique. It uses aluminum to create a formwork system that is easy to assemble, disassemble, and transport. Aluminum is lightweight and does not rust, making it a popular choice for high-rise construction projects.
• Fiber Reinforced Plastic (FRP): FRP formwork is made from a composite material that is reinforced with fiberglass. It is a newer formwork technology that is becoming more popular. FRP formwork is lightweight, durable, and resistant to chemicals and weather elements.
• Polypropylene: This is a plastic material that is used to make formwork sheets. It is lightweight, durable, and resistant to water, chemicals, and UV rays. Polypropylene formwork is easy to assemble and disassemble, making it a popular choice for small construction projects.

Each of these formwork materials has its advantages and disadvantages. The choice of which to use depends on the specific construction project requirements. Other types of 12mm formwork sheets include:

• Plastic Formwork: This is a system that uses plastic materials to create formwork for concrete. It is lightweight, easy to assemble, and reusable. Plastic formwork is popular for projects requiring complex shapes and designs.
• Engineered Composite Formwork: This involves using engineered composite materials to create formwork for concrete. It is a newer technology that is gaining popularity due to its strength, durability, and resistance to warping.

Function and feature of 12mm formwork sheet

12 mm formwork sheets are used to cast concrete structures. Their application in construction is subject to their features, which include:

• Thickness

  The sheets are 12 mm thick. Their thickness provides stability and support to the wet concrete. Additionally, their thickness reduces the risk of concrete bleeding and leakage. The resulting concrete slab has more than 90% flatness.

• Material

  12 mm formwork sheets are commonly made of plywood. However, they can also be made of other materials like steel and aluminum. Plywood is lightweight, easy to handle, and offers good strength. Steel and aluminum formwork sheets are more durable and reusable.

• Durability

  These formwork sheets are designed to withstand the rigors of construction. They support repeated use with minimal damage. They can endure the weight of wet concrete without buckling or breaking.

• Water Resistance

  12 mm formwork sheets are treated with water-resistant chemicals. This helps to prevent water penetration and swelling when exposed to water. The treatment also ensures that the sheets last longer.

• Load-bearing capacity

  12 mm formwork sheets can support heavy loads. Their load-bearing capacity enables them to be used in large-scale construction projects such as bridges, high-rise buildings, and swimming pools.

• Surface finish

  These formwork sheets have a smooth surface. The smooth surface finish results in concrete structures with a smooth and flat surface. This reduces the need for additional finishing work.

• Ease of assembly and disassembly

  Formwork sheets are designed to be easily assembled and disassembled. They have features like pre-drilled holes, locking systems, and bolts. This makes it easy to construct and deconstruct formworks.

Scenarios of 12mm Formwork Sheet

12mm formwork sheets are used in various construction projects to provide structural support to poured concrete. Here are some common usage scenarios:

• Reinforced Concrete Slabs

  12mm formwork sheets are used to create flat concrete slabs in residential, commercial and industrial buildings. The formwork supports the wet concrete until it hardens into a durable, stable floor or roof structure. These sheets are also used in cast-in-place parking garages and concrete podiums.

• Shear Walls

  The 12mm formwork sheets are used to cast concrete walls embedded with vertical and horizontal reinforcement bars. The concrete walls act as a building structure and wind load. These formwork sheets are also used in elevator and stairwell enclosures.

• Bridge Decks

  These formwork sheets create flat concrete decks for new bridges. They support the concrete during the curing process. Additionally, they are used in bridge rehabilitation projects to reinforce existing structures.

• Foundations

  The 12mm formwork sheets are used to form concrete footings, grade beams, and wall foundations. This application is common in residential, commercial and infrastructure projects. Additionally, they are used to create concrete piers and piles in soft soil conditions.

• Concrete Beams and Columns

  These formwork sheets are used to cast load-bearing beams and columns made of concrete. They are used in both structural frameworks and architectural designs with varying sizes and shapes. Also, they are used in parking structures and under-croft areas.

• Retaining Walls

  12mm formwork sheets are used to build concrete walls that hold back soil and water in areas like building sites, roadways and landscape features. They are also used to create cantilever and counterfort retaining walls in more advanced applications.

• Concrete Stairs

  The 12mm formwork sheets are used to create a concrete staircase in buildings. They support the concrete until it cures into a stable and durable staircase. These sheets are also used in the construction of straight, spiral, and circular staircases.

• Service Shafts

  These formwork sheets form concrete shafts for housing utility lines like plumbing, electrical wiring and HVAC systems. They provide durable and stable shafts that can support the weight of utility lines. Additionally, they are used to create service shafts in high-rise and multi-storey buildings.

How to choose 12mm formwork sheet

When choosing 12mm formwork sheets, there are several factors to consider to ensure they meet the specific needs of construction projects. Here are some of them:

• Load capacity

  Determine the maximum load the formwork will support. This includes the weight of wet concrete, construction materials, and workers. Choose a 12mm formwork sheet with a sufficient load capacity. For high-strength applications, consider 12mm plywood sheets with additional reinforcement or higher thicknesses.

• Concrete finish

  The type of concrete finish desired should be considered when choosing formwork sheets. Smooth finishes can be achieved with 12mm formwork sheets with a glossy or smooth surface. Textured finishes can be achieved with sheets with a textured surface. Consider formwork sheets with a release agent for easy concrete removal.

• Reusability and Durability

  Consider the number of times the formwork will be used. If the project requires multiple uses, choose durable and high-quality 12mm formwork sheets. High-quality formwork sheets are made from materials like plywood or steel. They are designed to withstand repeated use without compromising structural integrity.

• Ease of Assembly and Disassembly

  Choose 12mm formwork sheets that can be easily assembled and disassembled. This will reduce labor costs and time. Look for sheets with simple connection systems or compatible accessories. Consider their weight when evaluating ease of handling on the construction site.

• Moisture Resistance

  The construction environment should be considered. If the project involves high moisture or water content, choose formwork sheets with high moisture resistance. Such sheets are made from treated plywood or waterproof coatings. They prevent degradation and warping during use.

• Compatibility with Formwork System

  Ensure that the 12mm formwork sheets are compatible with the selected formwork system. Consider the dimensions, connection details, and construction requirements. This will ensure optimal performance and safety on the construction site.

• Budget

  Formwork sheets are available at different prices. Consider the overall project budget when selecting 12mm formwork sheets. While it is necessary to stay within budget, it is also necessary to prioritize quality. This will prevent additional costs related to poor-quality formwork.

12mm formwork sheet Q & A

Q1: What are the common applications for 12mm formwork sheets?

A1: 12mm formwork sheets are used for casting concrete beams, columns, slabs, foundations, and structures. They are also used in constructing concrete walls, lift shafts, and staircases.

Q2: What is the lifespan of a 12mm formwork sheet?

A2: The lifespan of a formwork sheet depends on how it is used and the type of plywood used. High-quality formwork sheets can be reused up to 15 times or more.

Q3: What is the load-bearing capacity of 12mm formwork sheets?

A3: The load-bearing capacity of the formwork sheet depends on the quality and type of plywood used. Good quality sheets have a high load-bearing capacity and can support concrete weight during casting.

Q4: How should 12mm formwork sheets be stored to maintain their quality?

A4: The sheets should be stored in a dry place, elevated from the ground to allow air circulation. They should be kept out of direct sunlight and moisture to prevent warping and rotting.

Q5: Are 12mm formwork sheets eco-friendly?

A5: The formwork sheets are eco-friendly, especially when manufactured with sustainable materials. They can also be recycled at the end of their lifespan.