Southport · Liverpool · Merseyside · West Lancashire

07970 611154

Dry Rot & Timber

The one damp problem that eats the building. Dry rot is a timber-destroying fungus that spreads fast through damp, unventilated spaces, weakening floors, joists and joinery as it goes. Caught early it is very treatable; ignored, it travels.

Timber reports suitable for consideration by mortgage lenders and insurers

What you might be seeing

  • A floorboard lifted at the skirting to show the decayed board edge and joist beneath

    Spongy or bouncy floors

    Boards that flex, sink or feel soft underfoot.

  • Pale fungal fruiting bodies pushing out from behind a skirting board onto the floorboards

    A mushroom smell

    A distinctive damp, fungal smell under floors or in cupboards.

  • Rust-coloured spore staining spreading across floorboards in the corner of a room

    Rust-coloured dust

    Fine reddish spore dust settling on surfaces near the outbreak.

  • Dark, split and crumbling timber exposed behind the beading of a painted window frame

    Cracked, cuboidal timber

    Wood that has dried, shrunk and cracked into cube-like sections.

  • White fungal fruiting bodies and strands growing out of the joint between a skirting board and the wall

    Fungal growth

    Grey strands or a fleshy, pancake-like growth on timber or masonry.

Why it happens

Dry rot needs two things: timber and moisture. A leak, rising damp or a blocked air brick raises the moisture in structural timber, and the fungus does the rest, spreading through wood and even across masonry in search of its next meal.

Because it often starts under floors and behind skirtings, it can spread a long way before anyone sees it. That is why a proper timber and moisture survey matters, and why the moisture source must be fixed as part of any treatment.

A fungal outbreak running the full length of a skirting board, with the plaster above it blown and the timber behind it destroyed

How we fix it, properly.

A surveyor taking a moisture reading from a damp-stained wall beside a printed NW Damp and Mould Specialists damp survey report

Survey and map the outbreak

A detailed timber and moisture survey finds how far the rot has travelled, with detailed reports suitable for consideration by mortgage lenders and insurers when the paperwork matters.

Read more about Damp & Mould Reports
A room stripped back for timber works, with rust-coloured spore dust still spread across the exposed floorboards

Cut out, treat and replace

Infected timber is removed under control, surrounding materials are sterilised, and replacements go in as treated, rot-resistant timber.

Read more about Damp & Mould Reports
A damp proofing installer in hi-vis and a dust mask injecting damp proofing cream into drilled holes along an exposed brick wall

Fix the moisture that fed it

Whatever let the timber get wet, a failed damp proof course, a leak, blocked ventilation, is addressed to minimise the risk of further fungal decay.

Read more about Damp Proof Course
  • 5 star Google review
    Excellent job, great lads. Worked hard, full day, arrived early as promised.
    Emma · January 2025 Google review
  • 5 star Google review
    It was vital my mind was at ease and Neil done that immediately.
    Lee Harding · January 2025 Google review
  • 5 star Google review
    I highly recommend NW Damp & Mould Specialists. Fantastic service, friendly, prompt.
    Mark · October 2023 Google review
  • 5 star Google review
    Great service from Neil & his team from start to finish. Great communication.
    Linda Lavery · September 2023 Google review
  • 5 star Google review
    Really great service. Tidy, efficient, great price and really nice fellas.
    Chris · September 2023 Google review
  • 5 star Google review
    Big thanks to Neil and his team! Job was completed to a very high standard.
    Emilija · August 2023 Google review
  • 5 star Google review
    Neil and his team were really helpful and professional.
    Helen · July 2023 Google review
  • 5 star Google review
    Excellent service from Neil and his team.
    Cindy Gomery · June 2023 Google review
  • 5 star Google review
    Top team, completed work to a high standard and on time.
    Andy · June 2023 Google review
  • 5 star Google review
    Neil and his team where brilliant, on time, clean, polite, and very reasonable.
    Tony Lovett · March 2023 Google review

Arrange a damp or mould assessment.

Tell us what you are seeing and we will trace the cause and quote the fix once. Or WhatsApp a photo for a fast opinion.

Assessments across Merseyside, Wirral and West Lancashire

Request a Damp Assessment

Tell us where the problem is located and what signs you have noticed. A member of our team will contact you to discuss the issue and arrange a suitable inspection.

"*" indicates required fields

Faster: WhatsApp a photo