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You will need

• - Tes;
• - nails;
• - Screws;
• - metal pipes;
• - expanded polystyrene;
• - metal rods;
• - Sand and gravel;
• - fittings;
• - polyethylene film.

Instructions

1

Quality formwork must withstand pressurefilled in concrete, without changing its geometric shape. Additionally, it is necessary to take care of the sealing of the formwork to prevent leakage of the solution.

2

As a formwork it is possible to use a wooden, steel or expanded polystyrene carcass. For a columnar foundation, often formwork is made of metal pipes of a certain diameter.

3

When installing metal formwork is availableThe possibility of quickly solving the problem of the configuration of the future foundation. Metal can be bent at any angle and give the structure the necessary geometric shape.

4

Reinforced concrete formwork is installed atindustrial construction, since their prime cost is quite high. Formwork made of expanded polystyrene can be bought in the store of building goods or rented. The advantages of installing such a design are in the ease of installation, dismantling and affordable price.

5

Before installing the formwork of any materialscarry out the necessary marking of the vertical and horizontal surfaces, install metal rods, along which they will dig the pit. The bottom of the excavation should be carefully strengthened with a sand-gravel mixture. Then proceed to the direct installation of the formwork.

6

The erection of all elements of the formwork is carried outimmediately before the assembly of the reinforcing cage, if the formwork itself is removable or after installation, if you do not plan to disassemble the formwork and leave it as the foundation of the foundation.

7

If the foundation is sufficiently powerful, with an externalside of the formwork should be made spacers. Without them, the structure can not withstand the weight of the concrete solution, which will lead to the destruction of the already established formwork.

8

Inside, the wooden formwork is covered with plastic wrap. This will help prevent leakage of mortar, and the foundation will be more even.

9

Fill the foundation immediately after installationformwork. If you have all carefully strengthened, the formwork can withstand the onset of the entire mass of the concrete slurry. Correctly installed formwork allows you to fill the foundation entirely, using the brought concrete. You can not be afraid that at the most critical moment your formwork will fall apart.