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Water signs: inspection and maintenance

Water boards are essential for preventing rainwater ingress and protecting the roof structure from moisture. During a building inspection, we check them for wood rot, delamination, and defects in the finish or installation.

A water board is a cover to prevent rain from entering, creating a seal between the weatherboard and the roof flashing. The water board is often angled slightly downward to further prevent rain from entering.

  • The water signs must be checked for wood rot. Any wood rot should be professionally repaired, after which the paintwork (in some areas) should be reapplied.
    • Note: Wood rot can still be present in invisible places! Wood rot can also become visible when removing layers of paint.
    • Wood rot may have been professionally repaired in the past, or wood rot may have been deliberately hidden, either professionally or not.
    • Regular, expert, and proper maintenance is essential in this case! Pay particular attention to the connections, corners, and seams to ensure they are sealed and moisture cannot penetrate!
  • Parts of the woodwork on the water boards may be delaminating . Delamination is the loss of cohesion between the layers of a multi-layered material. This can be caused by poor adhesion between the layers due to a manufacturing defect or a gradual loss of adhesion due to the effects of moisture or air on the adhesive, etc. Delamination of woodwork cannot be repaired; at some point, parts of the woodwork will have to be replaced. Therefore, the cost of replacing the woodwork should be taken into account in the long term.
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Water boards covered with a different material

  • If the original water boards are covered with a (solid core) material: It's true that a water board is usually covered with such a material for a reason. The underlying woodwork may no longer be in good condition. The materials behind these finishes cannot be assessed at this time. If the solid core material was not applied in a ventilated manner, we recommend removing the solid core material from which the water board is covered and reapplying it (on rubber) professionally and with ventilation.
  • If the water boards are covered with metal sheet material : The fact is that a water board is usually covered with such a material for a reason. The underlying woodwork may no longer be in good condition.
    • The advantage of this solid core and metal cladding is that painting is unnecessary.
    • Are there any defects in the installation or fastening of the water boards (or cladding)? These can be easily repaired. Consult a professional.
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The cost of a building inspection (up to 250 m²) is only €489 including VAT. We'll conduct a comprehensive building inspection and you'll receive a building report. Do you have any questions? We're happy to help and can schedule an appointment with an expert inspector right away if you wish!

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