Penetrating damp affects brickwork that has not been appropriately treated or has been neglected over time.
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What is penetrating damp?
Penetrating damp occurs when ageing bricks and mortar on a weather-beaten wall become degraded and are no longer able to keen the rain from penetrating. It can also be caused by defective guttering and down pipes, damage to the roof, or poorly installed windows.
How to fix penetrating damp
Damp Proofing Process
The process to repair a property that has been affected by penetrating damp involves drilling into the walls and injecting a damp proofing course layer that stops the ingress of moisture to the affected area.
The brickwork is then coated with a waterproof coating to stop any more moisture entering from the exterior wall.
Costs to fix penetrating damp
For penetrating damp, you’ll also need to consider the cost of repairing the source of the problem, such as broken roof tiles or window seals. An average damp proof course costs £280 up to £2,000. Waterproof membrane systems are approximately £35 per square metre. Injecting a damp proof course depends on the type of wall and the thickness, but they can cost around £15- £25 a linear metre.
Penetrating damp specialists
We work closely with the leading damp proof chemical manufacturers and have been trained in the latest penetrating damp repair methods. Our work is overseen by structural engineers and the products we use meeting rigorous BBA standards and building regulations.
Call: 0300 030 1822
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Penetrating Damp FAQs
We’re here to help! Here you’ll find the answers to the questions we get asked the most about penetrating damp. If you would like to know more, get in touch for a free consultation.
- What are the signs of rising damp?
Some signs of rising damp include tide mark on the bottom of the walls just above the skirting boards, deposits of mineral salts on the walls, bubbling and/or flaking paint and render, and damp, curling wallpaper.
- How much does rising damp treatment cost?
It depends on the size of your house and the extent of the damage. You need to consider labour cost, the cost of damp proofing used, as well as any repair work such as damp proof paint application. An average damp proof course costs £280 up to £2,000. Waterproof membrane systems are approximately £35 per square metre. Injecting a damp proof course depends on the type of wall and the thickness, but they can cost around £15- £25 a linear metre.