Damp and Timber Specialists for 50 years

Why Choose Prokil for Structural Damage Caused by Damp?

Because we see what others miss, and peeling plaster might cost you more than paint.

Structural damage from damp doesn’t always look serious at first. A patch of mould, a flake of peeling paint, or soft plaster might appear cosmetic, but it could point to deeper issues. Over time, rising damp, condensation, or water ingress can harm timber. They can also corrode metal fixings and damage plaster or masonry. Left untreated, these problems can compromise your home’s safety, appearance, and value.

That’s where Prokil comes in.

With over 50 years of experience and a team of PCA-accredited surveyors, we provide detailed surveys and lasting repairs. We can find hidden damp issues and offer affordable solutions to fix them and prevent further damage. Whether you need help with small decorations or big repairs, we provide expert advice, reliable solutions, and peace of mind at every step. Call us today on 0800 048 9488 to find out more.


How Does Damp Damage Buildings?

Damp-related structural damage doesn’t happen overnight, but the longer it’s left, the worse it gets. Water can seep in due to rising damp, penetrating damp, or inadequate ventilation. This can gradually damage the inside of your property, like timber supports, brickwork, and plaster finishes.

Older buildings are especially vulnerable. Many pre-1980s homes lack a practical damp-proof course or have compromised construction materials. Moisture builds up in the walls, floors, and ceilings as time passes, causing visible damage and hidden structural issues.

Structural Issues Can Include (But Are Not Limited To):

  • Timber rot and decay often affect joists, lintels, and roof rafters.
  • Cracked or weakened masonry, especially where brick or render has been saturated.
  • Deteriorating plasterwork, with signs like bubbling, flaking, or discolouration.
  • Corroded metal fixings, such as wall ties or structural brackets.

According to the UK Government’s Housing Health and Safety Rating System (HHSRS), damp and mould are declarably serious hazards. They can harm property, safety, and the health of those living there.

What Are the Effects of Structural Damage & Decorative Spoiling?

If you don’t address damp damage, it will continue to weaken your property and make it less livable. From timber decay to crumbling walls, the physical and financial impact escalates over time.

Structural Issues May Include:

  • Timber elements (e.g. floor joists, roof supports) becoming soft or unstable.
  • Cracks forming in plaster, ceilings, or wall junctions.
  • External brickwork losing integrity due to freeze-thaw action in saturated walls.

Symptoms of Decorative Spoiling Often Raise Concerns:

  • Black mould, blistering paint, or staining along skirting boards.
  • Discolouration and ‘tide marks’ up to 1 metre high are classic signs of rising damp.
  • Wallpaper lifting at the edges or plaster flaking from internal walls.

While these effects can make a property look neglected, the real danger lies beneath the surface. Addressing both the cosmetic and structural impact of damp early can help preserve your home’s value, appearance, and safety.

What Structural Damage Symptoms Should You Look Out For?

Spotting the signs early can save you thousands in future repair work. However, you may still be unsure whether the damage is merely decorative or something more serious.

If So, Here’s What to Look Out For:

  • Soft, decaying skirting boards or window sills.
  • Uneven or spongy flooring due to rotted joists.
  • Water stains on ceilings or upper walls, often from penetrating damp.
  • Moss or algae growth on external brickwork – indicating long-term moisture contact.
  • Cracks in plaster or masonry near floor junctions or around windows.
  • Persistent musty smells are a common sign of hidden timber decay or damp insulation.

These symptoms don’t always appear all at once. But even minor signs should prompt an expert survey to assess whether structural damage is developing behind the scenes.

Structural Damage & Decorative Spoiling Treatment

Once damp has affected your structure, fixing the cause is only half the job. The damage it leaves behind must also be addressed. At Prokil, we provide expert treatments to restore your property’s strength and aesthetics. Our certified team will begin with a detailed damp and timber survey to diagnose the type, source, and severity of the problem.

We Then Develop a Tailored Plan that May Include:

All work is completed by qualified, experienced technicians. We never outsource or rely on commission-driven salespeople. Every treatment is backed by our 20-year Prokil Guarantee for peace of mind, long after the work is done.

Why Choose Prokil for Structural Damp Damage Repair?

For over 50 years, Prokil has been a trusted name in diagnosing, treating, and repairing damp-affected properties. But what makes us stand out? We don’t just patch over the problem; we fix it at its source.

Why Thousands of Homeowners, Surveyors, and Landlords Choose Prokil:

Still unsure? Browse our case studies to see how we’ve helped restore and protect properties just like yours.

Book a Structural Damp Survey with Prokil

Damp damage won’t fix itself. Ignoring the signs can lead to bigger bills and serious risks for your property’s safety. Whether you’ve spotted bubbling plaster, sagging timbers, or persistent musty odours, now’s the time to act.

Our qualified surveyors will identify the issue, explain the cause, and provide a clear, tailored action plan. We focus on long-term results, from cosmetic repairs to complete structural restoration, not just quick fixes. Fear not; Prokil is your reliable partner for structural damp repair. We have decades of experience, accredited expertise, and offices all over the South of England.

Call 0800 048 9488 or book your no-obligation survey online to take the first step toward a safer, drier, and structurally sound property.


Book a survey today

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What to expect from your survey

1

Book a survey

Book a survey from any of our locations, at a time that suits you.

2

Our experts give a quote

One of our damp & timber experts will arrive to survey the work.

3

We complete the work

Based on a quote, we carry out the work guaranteed for 20 years.