Showing results 1-12 of 13

Subfloor – ponding water

  • Surface water flowing underneath the building if the subfloor ground level is lower than the ground or paving outside building perimeter, or if the ground slopes towards the building instead of away from it

    How to repair

  • Blocked or overflowing stormwater drain or gulley trap discharging water under the house

    How to repair

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Rust stains on inside of foundation walls

  • Poor quality concrete absorbing water which rusts the reinforcing, which in turns causes concrete to spall or crack allowing in more water 

    How to repair

  • Reinforcing installed too close to the outer surface of the concrete

    How to repair

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Moisture entry through retaining foundation walls

  • Ground moisture has moved through a retaining wall as it is unlikely the wall will have been waterproofed, and there is: no perforated drainage pipe at the base of the wall for ground water removal no drainage gravel above the drain, resulting in the drainage pipe becoming blocked with silt no filter fabric between drainage gravel and the drain, resulting in the drainage pipe becoming blocked with silt the drainage behind the wall has stopped working due to the pipe being blocked or the drainage gravel becoming filled with fine soil material

    How to repair

Lightweight aerated concrete panels cracked

Tree is damaging spouting, cladding, foundations

Concrete floor slabs – not enough ground clearance to floor level

Crack(s) in foundation walls

  • Settlement due to ground subsidence or shrinking/expansion of clay soils

    How to repair

  • Insufficient depth of footings for ground conditions

    How to repair

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Rust stains on concrete/concrete block foundation walls

  • Poor quality concrete absorbing water that rusts the reinforcing, which in turns causes the concrete to spall or crack, allowing in more water 

    How to repair

  • The reinforcing was installed too close to the outer surface of the concrete

    How to repair

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Drummy plaster in foundation walls

Blocked ventilation openings in foundation walls

  • The soil level has been built up, covering ventilation openings

    How to repair

  • Paving covers or partly covers the ventilation openings

    How to repair

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Cracks in the mortar and/or bricks

  • No control joints incorporated in wall

    How to repair

  • Differential settlement of the building caused by swelling/shrinking of clay soils and inadequate foundations and indicated by cracking through the mortar stepped across the face of the wall

    How to repair

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Concrete blockwork – cracks in the mortar and/or blocks

  • No control joints incorporated in wall

    How to repair

  • Differential settlement of the building caused by swelling/shrinking of clay soils and inadequate foundations and indicated by cracking through the mortar stepped across the face of the wall

    How to repair

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