All building structures are constructed in a manner such that they have a strong foundation to provide ample support. Foundation may be done with wooden or concrete stumps and or concrete filling. Due to the weathering and natural elements, the stumps and foundation may wear out over time for which it has to be revamped.
Soil conditions, termite attacks and even wearing due to time may cause the stumps to weaken and worn out. As the foundation of a building is what upon the whole structure stands, therefore, it has to be taken seriously.

The Signs to Determine if Re-Blocking is required
It’s always recommended to keep an eye over your building’s foundation to determine if it requires reblocking. Re-blocking is done if the stumps are worn out and have to be replaced. Check the below-listed signs to know if you need re-blocking.
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Moisture in and around the foundation
Presence of moisture in and around the foundation indicates that the stumps are prone to wear and tear. The wooden stumps on getting damp will invite termite attack and would also lead to the formation of cellulose fiber. This is worth mentioning here that termites and moisture are greatest enemies for wood, and can weaken your building’s foundation.
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Floor unevenness
This is one of the most important signs which indicates that your foundation is damaged. Once the stumps begin to wear out, the floor level becomes uneven. You can test if your floor is uneven by doing a small test by just rolling a marble on the floor. If it rolls in one way it means your floor may require re-blocking. It’s always a good idea to consult a professional underpinning and re-blocking service provider who can evaluate the floor to say if it’s necessary to take essential steps.
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Crooked Door and Window Frames
Doors and windows may get misaligned. They may creak and may not close properly or even get jammed.
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Cracks in walls and plaster
A crack on the walls and plaster is another important sign that indicates weak foundation.

How to Check if Stumps are Wearing Out
It is highly recommended to remove at least 10 centimeters of dirt from the foundation to check the condition of the stumps. Chances are high that a few stumps might be wearing out or they may have been pulled down by the earth’s gravitational force. The best way to ascertain if you need re-blocking is by asking a professional who will check the foundation and give you the correct evaluation.
It’s recommended that if any of the signs appear or if the building structure is considerably old, then professionals must be consulted immediately to save the building from further damage and prevent any kind of danger.
If after inspection the stumps have been found to be worn out, then the re-blocking procedure will have to be done in which the stumps will be replaced with fresh concrete ones.