Creating a strip foundation - instructions in 3 steps

To create a strip foundation, it takes a little skill in concreting and some experience. But it is also possible to create a strip foundation yourself. What is important and how to proceed step by step, you can read here.

Background information

Strip foundations are very stable and above all frost-proof. Especially with frost-prone soils the strip foundation is therefore a better choice than the continuous Fudamentplatte, which can otherwise freeze under certain circumstances. Strip foundations are used both for smaller buildings, such as garden sheds, and for non-basement prefabricated houses. The difference lies only in the foundation size.

The construction of a strip foundation

In the strip foundation, the concrete foundation plate lies on deeper-reaching foundation strips. Where these foundation strips lie, and how close they are set, usually determines a foundation plan. For prefabricated houses, this plan is drawn up by the architect or structural engineer and must be observed with care.

Also in garden sheds there is usually a foundation plan from the manufacturer. Where this is not the case, it is best to place the foundation strips in the area of ​​the outer walls, as this is where most of the structural loads are usually generated, which are then removed particularly well into the ground.

Step-by-Step Guide

  • gravel
  • Concrete, best delivered
  • Maurer cord
  • PE film
  • wooden stakes
  • formwork
  • ev. Material for reinforcement
  • rüttelplatte
  • concrete Stampfer
  • spirit level
  • spade

1. Drawing the foundation plan and staking the foundation

If there is no foundation plan yet, draw the floor plan of the building on graph paper and plan accordingly the foundation plate and the foundation strips. They should be around 30 cm wide.

Then transfer the position and dimensions to the construction site by tensioning mason's string between wooden pegs.

2. Auskofferung

Spread about 20 cm of soil in the area of ​​the entire foundation and make the foundation strips approximately 80 cm deep. Then install the formwork for the foundation plate and fasten it sufficiently.

3. Create gravel bed and pour

Between the foundation strips you now pour a gravel bed as a so-called cleanliness layer, which you then carefully compact and completely covered with PE film, so that the concrete does not mix with the gravel.

Now apply the concrete evenly from one side - preferably with a concrete pump if you have it delivered from the concrete plant. Within the foundation trenches, you should apply the concrete layer by layer and compact again and again before applying the next layer.

Tips & Tricks

For smaller buildings, you can also create a point foundation. It is also frost resistant and requires much less concrete and effort. The stability is sufficient in many cases as well.

Video Board: Building a house step by step. Full HD. Day 3 foundation. Combined footing The reinforcement