What is Underpinning?
Underpinning is the process of strengthening the foundation of an existing building or other structure. Underpinning may be necessary for a variety of reasons and always requires the specialist knowledge and expertise of a reputable company to identify and design the underpinning process.
Underpinning may be required if:
- The original building foundation is simply not strong enough
- The original building foundation is simply not stable enough
- The usage of the building structure has changed i.e. imposed loads
- The properties of the soil supporting the building foundation has changed i.e. subsidence
If the soil conditions are poor and unsupportive then underpinning is required to increase the depth and breadth so that the building foundation rests on a more supportive soil stratum or simply distributes the loads across a greater area by forming a substantial ‘raft' beneath the existing foundation.
The image gallery on the right is one example of the numerous underpinning projects we have completed in the north-east. In this case, the foundation was found, not only to have heaved but also fractured in several places. The solution was to form reinforced "rafts" to spread the loads of the super-structure and then to trench-fill in the standard box section formation. All sections were reinforced and tied in with 12mm and 6mm re-bar.
D.L.C's underpinning solutions are ideal for all types of buildings from domestic residences to commercial properties and even historic buildings. From large to small-scale jobs, we are happy to look at any size of underpinning project.
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We recently had to have major structural work done on our house. After doing extensive research on line, fortunately for us we came across DLC Structural solutions. They are a family firm and are experts in their field with extensive knowledge of both building and structural work. Both Paul and Dean made what was a major job seem straightforward and less stressful for us both. They were always on time and completed a full day’s work, and at times went the extra mile without being asked. Not only were they professional, trustworthy and sincere they were a lovely team and a pleasure to have in our home. We would like to thank them for all their hard work and the work they carried out which was of an exceptional standard. We have and will continue to recommend them to anyone requiring building or structural work.”