Extensions including garage conversions will usually require additional damp proofing to be added during the conversion, as the existing garage routinely has a single skin design for walls and floors, which was not designed to be in accordance with building regulations for habitable rooms. This damp proofing will need to be added to walls and floors. Furthermore, the roof of the garage conversion will require water proofing. The damp proofing of the floor of the garage conversion will in most cases be achieved by using a damp proof membrane. This membrane is available in either solid or liquid form. The damp proof membrane will be placed down either on top of the pre-existing concrete floor, below the new floor, or as part of both, depending on whether the floor will be a solid or a floating floor. In a few garages, the walls will have already been damp proofed, but this might have to be updated as part of the conversion in order to comply with current building regulations. The walls should be damp proofed to be able to protect the brickwork from rotting gradually as moisture sets in. This can be carried out by either making use of damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls that are already in the garage. Damp proofing is an integral part of the building regulations that the garage conversion will need to comply with, and so is it vital to ensure that your garage conversion incorporates appropriate damp proofing methods.
The average cost of Damp proofing is £1500. Costs vary based upon the materials and the organisation selected. The upper price range can be as high as £1725. The material costs are in general about £375
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| Labour cost | £1,050 | |
| Material cost | £375 | |
| Waste removal | £75 |
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Cheltenham or Cheltenham Spa, is a considerable town and borough on the side of the Cotswolds in Gloucestershire. The area hosts the famed Gold Cup steeplechase horse racing competition, which is held every March. Contrast estimates between Cheltenham businesses in your area to make sure of getting the best price for your home improvements project.
The Hive Efficiency Group supply and install a range of products to both residential and commercial properties, designed to assist in making them more energy efficient and maintenance free for many years to come. From thermally effiecient wall c...
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Tewkesbury - GL20
Enquiry from: Barbara S
Start Date: Immediate
Damp coming up both sides of inside wall
Gloucester - GL19
Enquiry from: Jeremy B
Start Date: Immediate
I have what appears to be rising damp on some downstairs internal walls. This is not a new problem but I would like it diagnosed and fixed
Cheltenham - GL52
Enquiry from: Christian W
Start Date: Immediate
Following a recent leak that is now resolved, there is a strong mouldy smell in the bathroom. I would like to diagnose the source of the smell and take action to remove it and any mould that may be pr
Gloucester - GL1
Enquiry from: Muhebbullah W
Start Date: Immediate
A 2 bedroom semi-detached property, rented. there is a leakage on the corner of a ceiling, someones tried before,fixed and leaking again
Property: semi detached
Evesham - WR11
Enquiry from: Steve M
Start Date: Immediate
Need you to survey and give a quote
Cheltenham - GL52
Enquiry from: Angus C
Start Date: Immediate
We are looking to tank a ground floor room that suffers from an aquifer underneath when we have exceptional rain coming up through the concrete screed, & are looking for a tanking membrane to be put o
Property: detached
Cheltenham - GL50
Enquiry from: Peter W
Start Date: Immediate
An assessment!! For damp…
Cheltenham - GL54
Enquiry from: Sebastien M
Start Date: Immediate
I currently own a property in Northleach, a grade 2 and find that it is quite humid downstairs with a good bit of condensation in the morning. I would like to understand what it is going as we don't s
Stroud - GL5
Enquiry from: MIKI L
Start Date: Immediate
Hi, we’ve discovered a rotten timber damp issue under our floor. It appears to be caused by a drainage ditch outside the wall that’s collecting rainwater with no outlet, leading it under the house
Stroud - GL5
Enquiry from: Janet B
Start Date: Immediate
Had extensive survey prior to moving in. areas of damp in basement kitchen/room and one bedroom *** floor. survey available
Property: semi detached
Stroud - GL5
Enquiry from: Rachel C
Start Date: Immediate
Would like to get a wall checked that looks quite damp and see how big an issue it is, and what we need to do to fix it
Tewkesbury - GL20
Enquiry from: Steve C
Start Date: Immediate
We have an issue in our downstairs toilet, where the paint is bubbling up and we also have a crack in the wall and some brown stains. i have sanded it all down, applied some damp proofing paint but af
Property: detached
Evesham - WR11
Enquiry from: Adam M
Start Date: Immediate
We have an issue with a damp wall by the front of our property. The damp is at the bottom of one wall coming out above our skirting board next to the front door of the house. There is also green mould
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Damp is a serious problem, particularly if you live in an old property, because it can lead to structural damage. This will cost you big money and could be very dangerous, to yourself and the property. Take damp seriously and get it inspected and resolved as soon as you discover it!
You should make sure that all signs of damp have gone before you redecorate your walls. If you want to paint your walls with a water-permeable emulsion paint, you can usually do this after 1 or 2 months. For other types of decoration you should wait longer.
Signs of rising damp tend to be close to the ground, usually no higher than a metre. It usually works its way up walls in horizontal lines. Penetrating damp usually develops in patches and can often be much higher up. For more advice, speak to a damp proofing professional.
There are a few visible signs of damp, although it often goes undetected. However, in older or empty properties, this made become detectable through its smell. These include peeling paint and wallpaper, crumbling plaster, mould growth, black spots or spores on walls and ceilings, and rotting skirting boards and flooring.
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