Extensions such as garage conversions will usually require additional damp proofing to be added as part of conversion, as the existing garage typically has a single skin design for walls and floors, which was not designed to comply 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 often be performed by utilising 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 existing concrete floor, below the new floor, or as part of both, depending on if the floor will be a solid or a floating floor. In a few garages, the walls have already been damp proofed, but this might have to be improved as part of the conversion to be able to adhere to 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 done by either implementing damp proof membranes, waterproof rendering, or cavity insulation, depending on the type of walls already present in the garage. Damp proofing is an integral part of the building regulations that the garage conversion should comply with, and so is it necessary to ensure that your garage conversion makes use of suitable 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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Fairford (population 3,236) is a town in Gloucestershire, England. The town hinges on the Cotswold hills on the River Coln, 6 miles (9.7 km) east of Cirencester, 4 miles (6.4 kilometres) west of Lechlade and 9 miles (14 kilometres) north of Swindon. Nearby are RAF Fairford as well as the Cotswold Water Park.
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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Malmesbury - SN16
Enquiry from: Damien B
Start Date: Immediate
The house was built in the late 50s/early 60s, and has since had an extension. there are 2 exposed concrete patches alongside the interior of an external wall, which feel damp to the touch. we have ju
Property: terrace
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
Swindon - SN4
Enquiry from: Paul Q
Start Date: Immediate
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
Swindon - SN4
Enquiry from: Mark H
Start Date: Immediate
Survey damp issues in small flat
Swindon - SN6
Enquiry from: B
Start Date: Immediate
We have recently been subject to flooding and we think it sensible to seal the concrete floor before laying a new carpet
Swindon - SN6
Enquiry from: Alex F
Start Date: Immediate
I have identified what might be dry or wet rot in wooden beams in my loft (supporting the roof). I wondered if someone is available to come for an inspection and see if there is any rot and to advice
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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.
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!
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.
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.
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