How do you know if a house has a cavity wall?

How do you know if a house has a cavity wall?

Where to place load-bearing walls

Hollow walls: hollow (double) walls offer better protection against humidity. Rainwater passes through the outer facing and falls into the inner chamber, where it is evacuated by the lead bib and the upright joints left open. The internal facing remains completely dry.

Insulation of cavity walls: to insulate a cavity wall and prevent condensation, fill the cavity only partially so that there is enough space for water to drain away. Polystyrene layers do not absorb water. Preferably treat the exterior facing against infiltration with a coating.

How to know if a wall is a hollow brick wall

A basic detail to know if we are in front of a load-bearing wall is the position in the house. The exterior or perimeter walls are generally load-bearing and constitute the entire structure of the building, which contains the first floor and upper floor rooms and the roof. Realizing this in the interior walls is more complicated. If the walls rest on top of each other over several floors, they could be load-bearing walls. Sometimes knocking on the wall helps to identify what the brickwork looks like, which if hollow is an indication that the wall is not load-bearing. Our advice: it is always advisable to have an expert make the assessment and interpret or draw up the project plans, otherwise real disasters can occur, such as a collapse hazard.

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In multi-storey houses, the load-bearing walls can be identified by going through each room from the first floor to the upper floors. The load-bearing walls of the first floor are thicker than those of the upper floors because they have a supporting function, and the walls of the upper rooms are placed on top of them to compensate for the forces. Sometimes the walls of the upper floors are thinner or made of non-load-bearing material such as wood or MDF boards, in which case they can be removed without problems. However, it must be verified that they do not contain water pipes or light cables, so a strict examination is mandatory. If a load-bearing wall is removed from the lower floors, the building may become unstable.

How to tell if a wall is a load-bearing wall on a plan

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How to tell if a wall is a load-bearing wall on a plan

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