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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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Pole foundations – rusted fixings

Structural steel – rusted beams and/or columns and/or fixings

Profiled steel – localised corrosion at the base of walls

  • Cladding covered by soil/foliage

    How to repair

  • The back surface of the cladding is too close to the ground/touching the ground and not drying properly

    How to repair

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Windows – opening sashes don't open freely

Piled foundations – rusted fixings

  • High subfloor moisture levels; exposure to air-borne salt, dust or dirt; trapped moisture and dirt

    How to repair

  • Copper-based timber treatments reacting with the metal of fixings

    How to repair

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