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Preservit Ltd

Specialists in Wood Preservation & Damp Proofing
81 Cornwall Road, Tettenhall, WolverhamptonOpening at 07:00 tomorrowOpening at 07:00Open today until 18:00Opening at 08:00 tomorrowOpening at 08:00Open today until 13:00Opening at 07:00 on MondaySorry, we're closed
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Are you wondering what exactly is penetrating damp? Penetrating damp (otherwise known as water ingress or lateral damp) is a common cause of dampness that generally occurs within older buildings, but can occur in properties of any age and at any level of the building.

It is a type of damp used t...

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Sub-floor ventilation

Jan 9, 2019 – Sep 26, 2019

Ventilation there are many factors leading to abnormal moisture levels in the sub-floor area plumbing leaks, inadequate drainage, inadequate water proofing, vents half covered by vegetation, pavers & concrete are the main culprits.

Usually water from the soil mainly in the sub-floor areas evapor...

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Wall plaster bridging existing damp proof course

Jan 7, 2019 – Jul 2, 2019

Bridging of Damp Proof Courses is caused when the ground level outside a solid wall is higher than the installed damp-proof course. Other forms of bridging include external wall renders and internal plastering extending down over the damp proof course line and making contact with the ground.

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Cold spots causing condensation

Jan 1, 2019 – Apr 3, 2019

Cold spots found using a Flir MR176 imaging moisture meter highlighted in blue around the perimeter of timber ground floor causing condensation to the lower part of wall, this was wrongly diagnosed as rising damp by unnamed company, this is a common problem within timber ground floors, so get it ...

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insurance backed guarantee

Dec 20, 2018 – Apr 26, 2019

Choosing a contractor purely on the basis of the cheapest quotation and the length of their own guarantee may not be your best option. Can your contractor provide you with assurances that their own guarantee will be honoured by a reputable UK based insurance company in ...

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Posted on Dec 20, 2018

The TrustMark Customer Charter outlines exactly what you can expect when employing a TrustMark Registered Business. This provides total clarity and a positive path forward through the entire customer journey.

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PRESERVIT LTD is a family run business accredited to TRUSTMARK & FAIRTRADES we are also members of CHECKATRADE, HOMEPRO and CGS who can offer our customers a GPI INSURANCE BACKED GUARANTEE

With over 40 years’ experience and 22 years in business we offer a friendly reliable and trustworthy service. Situated in Tettenhall, Wolverhampton, we pride ourselves on the correct diagnosis for dampness and timber decay, we give competitive prices on all work with a 20 year guarantee.

Timber & Damp Reports: Our surveyors will inspect the property and identify the causes of dampness and timber defects before providing you with a report of our findings. If treatment is required, we will provide a detailed quotation explaining the nature of the proposed works along with a clear quotation.

TRUSTMARK is the only Government endorsed scheme for trades in and around the home, they award registered firms with their accreditation after thorough vetting and on-site inspections to ensure the firm is raising industry standards.
This accreditation gives customers reassurance of quality and protection from rogue traders.

We are members of CGS who can offer all our customers an Insurance Backed Guarantee (IBG) through GPI who are an authorised and regulated UK insurer,


Have you noticed a small patch of damp on your walls or floor or stained or perished wall plaster? Or maybe you can’t get rid of that damp musty smell in a room? These could be signs of a rising damp problem, and if left untreated, it may lead to mould growth and damage timber structures in your home.
If you are in doubt about the presence of rising dampness within your property, Preservit Ltd. can help. We will perform a thorough rising damp survey to examine your property and identify the source of rising damp and use a suitable damp proofing technique to eradicate the problem for good.

To avoid Wet & Dry Rot regular upkeep and maintenance is essential to ensure the comfort and curb appeal of any home. However, in spite of regular care, fungal infestation may damage the wooden structure of your building. If left untreated, fungal decay may lead to a structural failure of floor and roof timbers.
At Preservit Ltd., we specialise in dry and wet rot treatments. Utilising our deep expertise and moisture meters, we not only locate dry or wet rot, but also eliminate the underlying cause of the outbreak. To restrict the damage, our experts replace defective timber and undertake repairs where necessary to ensure optimal structural strength and stability.

Woodworm can be a major issue to both households and businesses that if left untreated can lead to major structural damage to a building and compromise the safety and wellbeing of its occupants.At Preservit Ltd., we offer targeted woodworm treatment services to eradicate any kind of infestation in a cost-effective manner.

Have you noticed patchy black mould appearing on an internal wall? Or a watermark has suddenly appeared on the masonry? Patchy black mould, watermarks, damp musty smell, and damage to wall plaster roofing and timber are all signs of a penetrating damp problem.
Let Preservit Ltd. conduct a damp proofing survey and help you determine what might be saturating your walls with water.Depending on the underlying cause and the extent of damage, we will then employ a suitable damp proofing treatment to prevent future moisture from penetrating into your property.

Condensation is the most common cause of damp problems in both homes and offices. It is caused by air condensing on internal walls, particularly in rooms with a lot of moisture, such as bathrooms and kitchens.
If you are noticing damp in your home or office, don’t worry. Preservit can help you identify the cause of condensation and take necessary measures to manage and prevent condensation from damaging the aesthetics and comfort of your home.

Contact Us


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  • 07957 448684
  • 01902 742461


Get directions
81 Cornwall Road
United Kingdom

Opening Hours

Mon:7:00 am – 6:00 pm
Tue:7:00 am – 6:00 pm
Wed:7:00 am – 6:00 pm
Thu:7:00 am – 6:00 pm
Fri:7:00 am – 6:00 pm
Sat:8:00 am – 1:00 pm