Structural Cracking and Movement is where non flexible elements of a building break apart forming a crack. Cracks can open or close depending on the forces and movement that caused the cracks.
Cracking to buildings are usually caused by one of the following:-
- Movement to the foundations of the building
- Expansion and contraction of building elements in response to changes in temperature
- Changes in the loads on structural elements as a result of modifications to or use of the building
- Damage to a structural element (corrosion, impact damage, termite damage, fungal decay, etc)
- Drying and shrinkage of timber elements
- Compaction or settlement of structural elements over time.
The inspection include checking for these conditions in:
- Roof Structures: Concrete roof slabs, masonry parapets and gable walls.
- Wall Structures: Masonry, external render & stucco, internal solid plaster, internal lath and plaster, fibre cement sheeting, rendered wall board, plaster sheet & plasterboard
- Floor Structure: Reinforced concrete constructions
For further information on cracking & movement follow this link