Damp Proofing Holywood

Holywood Damp Proofing & Timber Treatment

Damp Proofing Holywood Northern Ireland (BT18): It's not simply the fact that damp problems look unsightly, they can also cause health problems and result in severe structural damage. Peeling wallpaper and ugly damp patches can hide a much more serious issue which, if not cured swiftly, could cost thousands of pounds to repair. The best solution if you've got such problems with your home in Holywood, is to get hold of an experienced damp proofing specialist, and get them to have a look.

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In relation to dampness in Holywood buildings, there are essentially three key types:

Damp Proofing Holywood Northern Ireland (BT18)


  • Penetrating Damp

  • Condensation

  • Rising Damp


We'll explore these three significant kinds of damp problems, and come up with suggestions for how to prevent them and resolve them, should they occur.


Issues like blocked cavity walls, cracks in brickwork, damaged gutters or downspouts and cracked or loose roof tiles are commonplace external factors that can cause penetrating damp. Inside, burst or dripping pipes, cracked shower trays and overflowing basins or baths, can lead to penetrating damp. If left unresolved, dark, damp patches on walls, peeling or bubbling paintwork and broken or blistering plaster, will be the visible upshot of water soaking into the walls and woodwork.

If you have a leaky roof that's been neglected for some time, your roofing timbers can be affected by wet rot. This could prove to be very expensive, because if worse comes to worst your roof timbers become structurally unsound, meaning that you'll need a whole new roof. If a black fungus starts to appear on your woodwork and the roof timbers feel "spongy" to touch, you could have problems with wet rot. Promptly dealing with the issue is essential if you observe any of these wet rot indicators, as it can help prevent further harm and the potential necessity of expensive roof replacement.

Some elementary preventative measures can help prevent this, such as: repointing unsound brickwork, inspecting water pipes for leaks and cleaning your guttering & roof and checking for leaks. As an integral part of a complete damp proofing program, your local Holywood damp proofing company will check out all these areas.


Condensation Damp Holywood UK (028)

There are a lot of things that cause damp, however condensation is among the most common and easily noticed. When humid, warm air comes into contact with a cool surface, water collects as small droplets. In places with high humidity, as in: kitchens, boiler rooms and bathrooms, condensation arises due to inadequate ventilation.

To avoid condensation issues, easy solutions include making sure that there's adequate ventilation in the worst affected areas, and wiping up any droplets as they arise. The steps needed may require the installation or upgrade of air bricks, cooker hoods and extractor fans, with the intention of redirecting damp air to the outside of your property in Holywood.

A detailed damp proofing survey from a professional Holywood specialist could also find things which play a role in the problem by sucking in damp air from outside. To adequately control condensation, air circulation must be properly regulated. A competent Holywood damp proofing company will gladly offer advice and solutions to accomplish this in your home.

Damp Proofing Quotes in Holywood Northern Ireland


A damp proof course has been installed as standard on houses constructed in the United Kingdom since 1875. If your home was built before this period it's conceivable you may not have this installed. If you are suffering with rising damp in a home constructed after this period it might be that your damp proof membrane or course has been damaged in some way.

Although tricky to identify, a white powdery deposit forming on walls or being found on floor surfaces, rotten or crumbling skirtings and "tide marks" on walls, are all giveaway clues that you might have rising damp. If you see or think that you might have any of these, it is possible you have a rising damp problem.

Rising Damp Holywood Northern Ireland

Merely checking your home's exterior walls to see if you've got a damp proof course can be the first step towards managing your problems with rising damp. In order to get a satisfactory degree of protection the damp proof membrane needs to be above ground level by no less than 150mm (around 6 inches). If this isn't the case you may be able to dig away the ground to create this gap, or if this isn't plausible, you could put in a damp course higher up.

If this isn't the problem and your damp proof membrane (DPM) is installed and in order, there may be more problematic issues to deal with caused by the dampness coming up from the ground beneath, through your floor, and into the walls.

Damp proofing specialists in Holywood will swiftly identify and resolve rising damp using a variety of techniques. A damp proof cream (such as Permaguard or Dryzone) can be carefully injected into your wall if you have a somewhat older home with no damp proof membrane, or one that is damaged over a substantial area. This entails the drilling of holes at evenly spaced intervals in your wall's mortar course and the cream injected with a special nozzle to fill the gaps behind the brickwork.

In instances where damp proofing cream isn't an appropriate solution, or where your damp course membrane is too seriously damaged, putting in a whole new damp proof course might be neccessary. Regrettably this is taking repair work to the extreme, however it could be the only answer to your rising damp problems.

Damp Proofers Holywood (BT18)

For minimal areas of membrane damage, another possible option could be to coat with a waterproof (bitumen based) latex emulsion paint. Since this is going to be applied beneath your current floor coverings, carpets, tiles and laminate flooring must be lifted and removed before this operation can begin. In basement areas this is a particularly effective treatment, and will form a part of the "tanking" process that's used to make spaces watertight. Before the bitumen paint has completely dried out, your Holywood damp proof specialist may suggest applying building paper (a special foil backed membrane), for added protection.

Tanking: "Tanking" is a specific waterproofing technique for basements and other below-ground areas, which involves the application of a unique watertight paint on exposed surfaces. For effective application, it's essential to remove all wall coverings and plaster, allowing the paint to be applied directly to the wall and floor bases, thus creating an indispensable barrier against moisture. Ensuring the paint dries completely before any further plastering or decoration is crucial. Given that tanking involves treating an entire property's lower level, it's wise to consult with a range of damp proofing experts to determine if it's the most suitable solution for your damp problems. Considering tanking's extensive and disruptive nature, it's also important to explore other, less invasive, yet potentially effective options.


To help with issues with condensation, you could try using dehumidifiers, which for removing moisture from the air, are fairly efficient. Due to the fact that dehumidifiers merely cover up the cause of the damp and don't get rid of it, there are downsides to this solution. A competent damp proofing company in Holywood will be glad to advise on the best solution if you're suffering from dampness in any area of your property.

Some of the Benefits of Using Dehumidifiers

Here are a few advantages of employing dehumidifiers:

  1. Energy Efficiency: Energy savings may result from the use of some dehumidifiers, as they make air easier to heat by reducing moisture, thereby improving heating system efficiency.
  2. Protects Structure and Belongings: Lower levels of humidity protect the structural integrity of the premises by preventing damp-related problems and protect belongings from moisture damage.
  3. Odour Reduction: The reduction of musty smells, a consequence of high humidity levels, leads to a more pleasant and fresher living space.
  4. Overall Comfort: Reducing indoor humidity levels can make the environment feel cooler and more comfortable, improving living conditions.
  5. Improvements in Health: Through the decrease in humidity levels, dehumidifiers effectively limit the growth of common allergens such as dust mites and mould, which are known to provoke respiratory ailments and intensify allergy and asthma symptoms.


Friends and relatives should always be your first port of call when you are looking for recommendations and testimonials for local specialists. Before employing any damp proofing services, you should always see if you can get at least three quotations from different Holywood companies. If you have any doubts about any specific damp proofing company you can ask to see professional memberships and qualifications.

Watch out for contractors holding the Certificated Surveyor of Timber and Dampness or the CSRT (Certificated Surveyor in Remedial Treatments) accreditations, or companies who are registered members of the Damp Proofing Association or the Property Care Association (PCA).

You can guarantee that your damp proofing provider is well qualified and has the required practical experience to provide you with a top notch damp proofing service, if they are members of the DPA or PCA. It also offers guarantees on any work accomplished by one of their members.

Book a Damp Proofing in Holywood UK

Damp proofing can be done in Holywood and also in nearby places like: Craigantlet, Helens Bay, Conlig, Crossnacreevy, Cultra, Dundonald, Strandtown, Groomsport, Crawfordsburn, Knock, Moneyreagh, together with these postcodes BT18 9DQ, BT18 9NG, BT18 9QH, BT18 9LL, BT18 9QX, BT18 0LG, BT18 9HG, BT18 9EU, BT18 9JG, and BT18 9PB. Locally based Holywood damp proof specialists will probably have the telephone dialling code 028 and the postcode BT18. Checking this should guarantee that you are accessing local providers of damp proofing. Holywood home and business owners can benefit from these and numerous other damp proofing services. By clicking on the "Quote" banner you can obtain damp proofing quotations from providers nearby.

Dehumidifier Installation

To maintain comfortable and healthy indoor air quality, especially in high humidity locations, dehumidifiers are a must-have appliance. The unit's optimal performance and longevity depend on correct installation.

Dehumidifier Installation Holywood

Before installing a dehumidifier, it's important to select a suitable location that is free from obstructions and has an electricity socket nearby. The unit should be placed on a flat surface and away from walls and furniture to allow sufficient air circulation.

To prevent water damage or overflow, the drainage system must be set up properly next. It may require attaching a hose to the unit or connecting the dehumidifier to a drain. Replacing the filter and cleaning regularly is important to maintain the effective operation of the dehumidifier.

The room or space where the dehumidifier will be installed should dictate the size of the dehumidifier, which is important to consider. It's recommended to refer to the maker's instructions or seek professional assistance to ensure a safe and successful dehumidifier installation. A dehumidifier, when properly installed and maintained, can reduce moisture-related problems, enhance indoor air quality, and improve overall comfort in homes or workplaces.

Cementitious Tanking

In order to prevent moisture penetration in underground spaces and cellars, many homeowners turn to cementitious tanking as their preferred strategy. To the floors and walls of the space, a cement-based waterproofing system is applied as part of this procedure. The tanking material can be mixed in-situ or pre-manufactured and comes in a range of grades suitable for various substratum.

Cementitious Tanking Holywood

Cementitious tanking can provide a durable, long-lasting barrier against water penetration, however it must be applied correctly to achieve maximum effectiveness. Prior to application, the surface must be dry, clean, and free from any contaminants or loose material to achieve the best possible results.

To achieve a high-quality, long-lasting result, it is recommended to choose professional installation by a qualified damp proofing specialist. With correct installation, cementitious tanking can provide an effective and reliable solution for waterproofing underground spaces and cellars in Holywood. Long-term effectiveness cementitious tanking can be maintained with proper maintenance. It is vital to frequently inspect the system and deal with any damage or wear to prevent moisture ingress and preserve its effectiveness.

DPC Replacement Holywood

Maintaining the structural integrity and visual appeal of your Holywood property hinges on the timely replacement of a deteriorating Damp Proof Course (DPC). As time takes its toll, the existing DPC may become compromised, potentially leading to the emergence of rising damp. Vigilant observation for signs like deteriorating brickwork, damp patches or crumbling plaster is essential. DPC replacement involves removing the old, ineffective barrier and installing a new, sturdy one. This process typically demands professional expertise, as it necessitates thoroughness and precision to guarantee a dependable barrier against moisture infiltration.

The selection of materials for the new DPC depends on various factors, including the property's age, construction, and the extent of moisture damage. Time-tested methods like slate or bitumen offer proven effectiveness, while modern options like chemical injections provide a minimally invasive solution. Proper DPC replacement not only safeguards against further moisture-related deterioration but also contributes to a healthy indoor environment and maintains the value of your Holywood property. Frequent inspections and prompt DPC replacement are crucial for ensuring your home remains dry and structurally robust. (78935 DPC Replacement Holywood)

Holywood Damp Proofing Tasks

Damp Proofing Tasks Holywood

There are a wide range of tasks that can be carried out by your local Holywood damp proof specialist including wet rot control, brick damp proofing in Holywood, mould treatments, the treament of efflorescence, damp course installations, dry rot treatment, timber treatment, rising damp advice, missing damp proof course installations, property surveys, solutions for black mould, damp proofing old stone walls, damp surveys, property preservation Holywood, damp proofing floors, foundation damp proofing Holywood, positive input ventilation, damp proofing solutions in lofts in Holywood, cementitious tanking, basement damp proofing Holywood, damp control, commercial tanking, wood rot treatment, damp proofing walls, concrete damp proofing Holywood, solving condensation problems in Holywood, retaining wall damp proofing Holywood, damp proof coursing, damp proofing concrete floors Holywood, timber surveys Holywood, flood defence, invasive weed control, residential damp proofing Holywood, resolving mould problems, structural waterproofing, floor damp proofing, and more. Listed are just an example of the activities that are accomplished by people specialising in damp proofing. Holywood specialists will let you know about their whole range of services.

Damp Proofing Near Holywood

Also find: Moneyreagh damp proofing, Groomsport damp proofing, Crossnacreevy damp proofing, Cultra damp proofing, Dundonald damp proofing, Craigantlet damp proofing, Strandtown damp proofing, Helens Bay damp proofing, Conlig damp proofing, Crawfordsburn damp proofing, Knock damp proofing and more. Damp proofing services are available in almost all of these areas. Not only do these experts grasp the distinct challenges the local weather presents, but they also offer bespoke solutions to enhance the durability and security of your home. Structural damage and health concerns caused by problems with damp require effective and urgent intervention. By clicking here, damp proofing quotes are available to local property owners.

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(This damp proofing Holywood content was updated on 17-05-2024)