The creation of a strip foundation for a porch is done as follows:

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Stages of creating a strip foundation

First, a trench is dug around the perimeter of the future structure. Its depth is approximately 50 cm, and its width is about 40. But the depth should be determined based on the level of soil freezing.
After this, a gravel-sand cushion is created at the bottom of the trench. First, sand is poured, then gravel. The height of each layer should be approximately 15 cm. After filling, the material is rammed using a special device or manually.
At the next stage of creating the foundation, cement mortar is poured to a height of approximately 10 cm. After this, it is necessary to wait about 7 days, and then lay the reinforcing frame in the trench.
Installation of a frame made of metal rods. It consists romania mobile database an upper and lower belt of rods, which are connected by transverse rods.
After securing the metal components, concrete is poured manually throughout the entire trench.
Useful tips
When laying a foundation for an extension to a house, it is worth considering several features of such work so that the result is of high quality. Experienced builders pay attention to the following points:

To create a trench with your own hands, it is better to use a bayonet shovel, since it is easier to dig with it even when working with hard soil.
To be sure of the reliability of the foundation, it is worth using metal reinforcement.
The time for preparing the concrete solution must be proportional, since if the components are calculated incorrectly, the foundation can quickly collapse after construction.
It is worth remembering that the building must be protected from the effects of groundwater. If water begins to appear in the trench during its creation, it is necessary to create additional trenches that will facilitate pumping out the water. Only after the water has been completely pumped out can the process of creating the foundation begin.
When creating the base of the porch, it is worth considering all the tips presented so that the base for the porch is strong and does not deteriorate over time.