Lift the roof truss professionally

There are many reasons that speak for, but also against lifting the roof truss. Here we explain the today common technique for lifting, conditions and also the financial framework. Some of the preparatory work can be done by yourself, but the roof lift must be carried out by a specialist company.

What to do if the living space in the house is too short?

Houses are built for life. But time and again it happens that the previously planned living space is suddenly no longer sufficient. Or you have acquired an existing property and want to increase the living space by taking suitable measures.

  • Expansion of the attic
  • Expansion of cellars
  • Extension to the house

Many editions of the housing extension

But you can not exhaust all possibilities without further ado. In most cases building regulations are very individually linked with the building authority.

  • According to the development plan, you may not create a house extension
  • the cellar can not be converted so that it can be released from storage to living space
  • The building is a historical monument
  • The attic can not be used as living space due to the timberwork of the attic.

The cost of the various extensions also vary greatly

Under such circumstances, the possibilities of solution are very limited. The new construction of a house is completely out of the question. A new roof truss is also extremely expensive. Including the interior design, you can expect depending on the size of the house with amounts between 50,000 and 150,000 euros.

Fast, easy and efficient: lift the roof truss

However, there is another option available - lifting the roof truss. The wall of the attic, on which the roof truss rests, is the knee-stick. This is mostly very low bricked. Now increase the knee-height around some rows of stones, thereby increasing the possible usable space.

The work areas at the roof lift

The lifting of the roof is much less complicated than some homeowners suspect. The costs for lifting the attic hold in a realizable without great stress frame.

  • preparatory work
  • Lifting the roof truss
  • Walling of the knee stick
  • Lower the roof and connect it to the house again

The preparatory work

You also have to divide the preparation work into different areas. First of all you have to find out from the responsible building authority, whether the lifting of the roof truss at your house can be approved in principle.

Now you need the help of a structural engineer. He does all the calculations. Mostly it is an architect. After he has finished the calculations, he submits the plans for you. After their approval, he then carries out a tender for the roof truss lifting.

Now all walled roof beams can be uncovered. This work is very neat and accurate to perform. Also the chimney sheet is to be removed now.

Lifting the roof truss

No crane is used to lift the roof truss. Instead, strong hydraulic pumps are fixed at certain points of the attic. The hydraulic pumps come at different points on the middle purlin and along the eaves left and right. All pumps are connected so that the roof is raised evenly. You can lift your roof between 0.50 and 1.50 m without any problems.

The walling up of the knee stick

Steel stands support the roof and the pumps are taken out. Now the knee stick of the roof lift is bricked up accordingly.

Lowering the roof truss and graduation work

Now the roof truss is lowered in the same way as it was previously raised. Finally, the overlying beams are walled up again with the house, as they were previously released. After completion of the activities can already start the interior of the roof.

You can do that yourself

The roof truss must always be carried out by a suitable specialist company. Depending on your crafting skills, you can do the following work yourself.

  • Release the overhead roof truss
  • Walling of the knee stick
  • Connecting the roof truss to the house and plastering

Labor and expense

The workload for raising, walling up and lowering the roof truss is on average four working days. In addition, the work is independent of the weather and the floors below can be inhabited normally. The costs for lifting the roof truss are of course dependent on the effort, but move on the whole in a frame between 6,000 and 12,000 euros.

Tips & Tricks

Architects in your area usually know reliably if and where a roof truss can be raised. Surely you will receive the corresponding information for free.

Before lifting the roof truss, make sure that it can continue to comply with the requirements of the energy laws. If the roof truss soon reaches its limits, it is worth considering making the roof completely new.

Video Board: AEP - 2016 - Light Gauge Steel Roof Truss Installation