Damp Proofing Llantrisant

Llantrisant Damp Proofing & Timber Treatment

Damp Proofing Llantrisant Wales (CF72): If you've got problems with damp in your home in Llantrisant, it's not just their undesirable appearance that you should be concerned about, but the fact that they can also cause serious structural and health problems. More significant issues can also be concealed under patches of damp and peeling wallpaper, and could cost you 1000's of pounds to repair if not cured promptly. To provide an extensive damp proofing remedy for your property, it is much more cost effective in the long run to call in a certified Llantrisant damp proofing specialist to check your home.

Free Llantrisant Damp Proofing Quotes

In relation to dampness in Llantrisant homes, there are essentially 3 primary causes:

Damp Proofing Llantrisant Wales (CF72)


  • Penetrating Damp

  • Condensation

  • Rising Damp


Below you'll find details of what could be causing damp issues in your home or business premises in Llantrisant, and precisely how you might go about rectifying them.


A few of the external issues that may lead to penetrating damp include: blocked cavities, damaged downpipes or guttering, cracks in brickwork and loose or broken roof tiles. Internal reasons behind penetrating damp may be cracked shower trays, leaking or burst pipes and overflowing bathtubs or basins. If left to carry on leaking these things allow water to seep into the woodwork and walls, which with time lead to broken or blistering plaster, damp, dark patches on walls and flaking or bubbling paintwork.

If you've got a leaky roof that's been neglected for some time, your roofing timbers can be troubled by wet rot. Though it is lucky that wet rot doesn't affect brickwork, in a worst case scenario, you may need a roof replacement if the timbers of your roof become unsound structurally. If a black fungus appears on your woodwork and the timber in your roof feels "spongy" to the touch, you could have problems with wet rot. If you observe any of these signs of wet rot, it's essential to address the issue promptly to prevent further harm and the potential need for expensive roof replacement.

To help in preventing this, there are a few basic preventative measures you can take: cleaning your guttering & roof and checking for leaks, examining pipework for leaks and repointing dodgy brickwork. If you use the services of a certified Llantrisant damp proofing firm, they'll check all these areas as part of your all round damp proofing service.


Condensation Damp Llantrisant UK (01443)

A common form of damp within many homes in Llantrisant, condensation is extremely easy to spot. When a cold surface comes into contact with warm, moist air, water collects as tiny droplets upon that surface. Where a high level of humidity is present, as in boiler rooms, kitchens and bathrooms, condensation is often caused by poor ventilation.

There are a couple of basic ways of dealing with condensation, and these are making sure that trouble spots have good ventilation, and wiping droplets away as they form on surfaces. The necessary steps might call for the upgrading or installation of air bricks, extractor fans and cooker hoods, with the intention of redirecting moist air outside of your property in Llantrisant.

Occasionally moist air can be sucked in from the outside, simply making things even worse. And the most effective way to find out the key things that give rise to the problem, is to have an in-depth damp proofing survey done by a reputable Llantrisant company. Air circulation has to be regulated properly to adequately minimise condensation, and a certified damp proofing specialist will be able to give advice and offer solutions on this matter.

Damp Proofing Quotes in Llantrisant Wales


A damp proof course has been installed as standard on homes built in the UK since 1875. It's possible that you might not have one installed if your house in Llantrisant was constructed before this time. If your house was built after this date, but you are still suffering with rising damp, it could be that your damp proof membrane or course has been compromised.

It can be notoriously difficult to identify rising damp, nevertheless some giveaway indications are; white powdery deposits appearing on walls or being discovered on floor surfaces, rotten or crumbling skirting boards and "tide marks" on walls. If you notice or think that you may have any of these, it is possible that you've got a problem with rising damp.

Rising Damp Llantrisant Wales

The initial step towards handling your problems with rising damp should simply be to check whether you've actually got a damp course on the external walls of your property in Llantrisant. For satisfactory protection it should be 150 millimetres above the level of the ground. Where you discover that this gap does not exist, you can dig the soil away to increase it, or if this approach isn't possible, a higher DPM will need to be put in.

If this is not the root cause of the problem and your DPM (damp proof membrane) is correct, there could be more problematic issues to deal with caused by the dampness coming up from the ground beneath, up through your flooring, and into the walls of your property.

Damp proofing experts in Llantrisant will swiftly detect and eliminate rising damp issues using a number of procedures. If you have an older house with no damp proof membrane or one that's damaged over a wide area, a damp proof cream (such as Permaguard or Dryzone) can be injected into your outside walls. Holes will be drilled at intervals along the mortar course, and a nozzle is used to inject the special cream, which then diffuses before curing to form an effective, horizontal water-repelling barrier.

In situations where damp proofing injection cream is not a satisfactory treatment, or when your membrane is severely damaged, installing a whole new damp proof course may be neccessary. Although this is obviously a pretty drastic course of action, it may be the only method to remedy your damp problems successfully.

Damp Proofing Specialists Llantrisant (CF72)

Yet another option for less severe areas of damp course damage could include painting on a layer a waterproof (bitumen based) latex emulsion. This has to be applied under your current floor coverings, so tiles, wooden flooring and carpeting will need to be lifted before any work can be undertaken. Also used as a part of the tanking process to make a space watertight, this is a particularly efficacious treatment in basements. For additional protection in these trouble spots, your Llantrisant damp proof technician may advise the laying of building paper (a foil backed specialist membrane) before the bitumen paint has completely dried.

Tanking: The technique of "tanking," used for making below-ground areas like cellars watertight, involves applying a special type of waterproof paint on exposed surfaces. For effective application, it is imperative to first strip away any plaster and wall coverings, allowing the coating to be applied directly to the base of floors and walls, thus forming an effective barrier against moisture. The critical part of this process is allowing the coating adequate time to dry before commencing any replastering or decorative work. Given that tanking is a comprehensive process, treating an entire property's lower level, seeking advice from several damp proofing specialists is recommended to ensure it's the right solution for your rising damp issues. There may be other less disruptive yet effective options available.


Dehumidifiers are an effective way to remove moisture from the air, so for condensation problems they can help quite a lot. The main issue with dehumidifiers in seeking to reduce damp and mould is that they only cover up the cause of the damp, not get rid of it. To get the most reliable advice if you're suffering with damp in any area of your property, you should contact a professional damp proofing specialist in Llantrisant.

Some of the Benefits of Using Dehumidifiers

Here are several advantages of employing dehumidifiers:

  1. Protects Structure and Belongings: Lower levels of humidity contribute to the protection of the building's structural soundness by avoiding damp-related problems and also safeguard belongings from the damage moisture can cause.
  2. Health Improvements: By diminishing the levels of humidity, dehumidifiers play a crucial role in curtailing the spread of mould and dust mites, frequent triggers of respiratory conditions and aggravators of allergy and asthma symptoms.
  3. Reduced Odours: The musty smells that are associated with high levels of humidity are removed, enhancing the living area with a fresher and more appealing ambiance.
  4. Energy Efficiency: Savings on energy use may result from the use of some dehumidifiers, as they make air easier to heat by reducing moisture, thereby improving heating system efficiency.
  5. Comfort Levels: The living conditions of occupants can be improved by the reduced humidity levels, which makes the indoor environment feel cooler and more comfortable.


As with pretty much any project, the best recommendations for a local professional can be gleaned from friends and family. Before signing up to any damp proof services, you should see if you can get at least two or three quotations from various Llantrisant companies. If you are in any doubt about any particular company you could ask to see evidence of qualifications and professional membership certificates.

Keep an eye out for qualifications and membership from trade bodies such as the Damp Proofing Association or the Property Care Association (PCA), or contractors holding the CSTDB (Certificated Surveyor of Timber and Dampness) or the CSRT (Certificated Surveyor in Remedial Treatments) qualifications.

Membership of either the DPA or PCA guarantees your selected damp proofing specialist is well qualified and has acquired the necessary experience to perform a first class damp proof service. Such professional memberships also means there are certain guarantees for any remedial work accomplished.

Book a Damp Proofing in Llantrisant UK

Damp proofing services are available in in Llantrisant and also nearby in: Creigiau, Brynna, Miskin, Mwyndy, Cross Inn, Efail Isaf, Beddau, Ynysmaerdy, Llantwit Fardre, Talbot Green, Llanharan, Llanharry, Pentyrch, Groes-faen, Brynsadler, Pontyclun, as well as in these postcodes CF72 8JH, CF72 8EX, CF72 8DP, CF72 8DE, CF72 8BS, CF72 8EF, CF72 8DW, CF72 8DL, CF72 8EB, and CF72 8EG. Local Llantrisant damp proofers will most likely have the phone code 01443 and the postcode CF72. Checking this out should make certain that you're accessing locally based providers of damp proofing. Llantrisant property owners will be able to utilise these and lots of other related services. By simply clicking on the "Quote" banner you can obtain damp proofing quotations from local providers.

Positive Input Ventilation

Positive Input Ventilation (PIV) may be an ideal solution for alleviating damp problems within your home in Llantrisant. To alleviate mould and damp in your dwelling, or condensation around your windows, consider using Positive Input Ventilation to reduce humidity levels. Continually supplying fresh air is how it achieves this. The constant refresh and replacement of air inside your home can lead to improved air quality, reduced pollutants and odours, and decreased dust mite allergens. Considerations for PIV systems include the requirement for a reasonably airtight property and optimal performance when installed in an attic. Air, just like water, takes the path of least resistance, and any gaps and spaces around doors or windows will let the fresh air get out, whilst bringing potentially polluted air in.

Dehumidifier Installation Llantrisant

Dehumidifiers play a vital role in ensuring healthy and comfortable indoor air quality, particularly in regions with high levels of humidity. Achieving optimal performance and longevity of the unit hinges on correct installation.

Dehumidifier Installation Llantrisant

Before installing a dehumidifier, it's important to select a suitable location that is free from obstructions and has an electric point nearby. It's essential to ensure that the unit is placed on a flat surface and kept away from walls and furniture to allow for adequate air circulation.

Correct setup of the drainage system is necessary next to avoid overflow or water damage. Connecting the dehumidifier to a drain or attaching a hose to the unit may be required to complete the process. The effective operation of the dehumidifier requires routine maintenance, such as cleaning or replacing the filter.

The dehumidifier's size concerning the space or room it will be installed in is worth considering. An inadequate removal of moisture is the result of using a dehumidifier that is too small, whereas a unit that is too big can lead to energy waste and excessive dryness. To ensure a safe and successful dehumidifier installation, it's advisable to consult the maker's instructions or seek the assistance of a professional. Moisture-related problems can be reduced, indoor air quality can be improved, and overall comfort enhanced in homes or businesses through proper dehumidifier installation and maintenance.

Cementitious Tanking

A popular method for preventing the penetration of moisture in basements and underground spaces is cementitious tanking. The procedure entails the application of a cement-based waterproofing system to the floors and walls of the room or space. The grades of tanking material, which can be pre-manufactured or mixed on the job, are suitable for various substrates.

Cementitious Tanking Llantrisant

By applying cementitious tanking correctly, one can achieve maximum effectiveness and a durable and long-lasting barrier against water ingress. To ensure the best outcome, the surface must be clean, dry, and free from any contaminants or loose material prior to application.

Professional installation by a certified damp proofing specialist is suggested to attain a long-lasting and high-quality outcome. Proper installation of cementitious tanking can offer a reliable and effective solution for waterproofing basements and cellars in Llantrisant. Proper maintenance is a crucial factor in guaranteeing the long-term effectiveness cementitious tanking.

DPC Replacement Llantrisant

In Llantrisant, preserving the visual appearance and structural integrity of your property demands timely Damp Proof Course (DPC) replacement. The existing DPC, subjected to wear and tear over time, can deteriorate, potentially leading to rising damp. Diligently monitoring for signs like crumbling plaster, deteriorating brickwork or damp spots is crucial. DPC replacement involves removing the old, ineffective barrier and installing a new, robust one. This process typically requires professional expertise, as it demands precision and thoroughness to guarantee a dependable seal against moisture intrusion.

The selection of materials for the new DPC can range from traditional approaches like bitumen or slate to more contemporary options such as chemical injections. A well-executed DPC replacement not only prevents further moisture-related damage but also helps maintain a healthy indoor environment and preserves the value of your Llantrisant property. Regular inspections and prompt DPC replacement can go a long way in ensuring your home remains dry and structurally sound. (78935 DPC Replacement Llantrisant)

Llantrisant Damp Proofing Tasks

Damp Proofing Tasks Llantrisant

There are a whole host of tasks that can be completed by your local Llantrisant damp proofing specialist including damp proofing floors, wall damp proofing, plaster replacement, damp proofing services, chemical DPC injection, replacement of faulty flashingsdamp proof course in Llantrisant, flood defence, cementitious tanking in Llantrisant, damp proof paint applications, concrete damp proofing Llantrisant, mould and mildew removal, cellar damp proofing Llantrisant, pressure grouting, wall tie replacement Llantrisant, property preservation, concrete repairs, timber treatment, damp proofing internal walls in Llantrisant, vapour barriers, basement waterproofing in Llantrisant, penetrating damp treatments, rising damp prevention, cheap damp proofing Llantrisant, foundation damp proofing, retaining wall damp proofing Llantrisant, damp proofing a basement, cellar tanking, condensation solutions, damp proofing concrete floors Llantrisant, damp proof coursing, condensation control, commercial tanking, damp proofing assessments, damp proof sealing, dry rot treatments Llantrisant, invasive weed control in Llantrisant, and lots more. These are just a few of the activities that are carried out by those specialising in damp proofing. Llantrisant specialists will let you know about their full range of services.

Damp Proofing Near Llantrisant

Also find: Mwyndy damp proofing, Llantwit Fardre damp proofing, Creigiau damp proofing, Ynysmaerdy damp proofing, Talbot Green damp proofing, Llanharry damp proofing, Groes-faen damp proofing, Llanharan damp proofing, Cross Inn damp proofing, Brynsadler damp proofing, Beddau damp proofing, Pontyclun damp proofing, Brynna damp proofing, Pentyrch damp proofing, Efail Isaf damp proofing, Miskin damp proofing and more. Firms who do damp proofing can be found in practically all of these places. These local experts, well-versed in the region's weather challenges, are committed to delivering customised solutions that secure the safety and longevity of your home. Health concerns and structural damage caused by problems with damp require urgent and effective intervention. Householders in these localities can get quotations by going here.

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(This damp proofing Llantrisant page was checked and updated on 17-05-2024)