Born and bred in Hawick, Keith Rennie has earned a solid reputation in Scotland as an experienced damp proofing and timber treatment specialist. His local knowledge of Scottish architecture, buildings and humidity and moisture control issues is second-to-none. With 30 years' experience under his belt, Keith is highly qualified in damp treatment applications and treating rising damp.
He is trained to a high level and is a CSRT (Certified Surveyor in Remedial Treatments) and CSSW (Certified Surveyor in Structural Waterproofing). He also treats wet rot, dry rot and timber decay and protects against woodworm. From rising damp solutions to waterproofing and basement tanking, Keith is a trusted, go-to source, highly-recommended by property owners across the Scottish Borders, the Lothians, Berwick upon Tweed and Northumberland.
He is trained to a high level and is a CSRT (Certified Surveyor in Remedial Treatments) and CSSW (Certified Surveyor in Structural Waterproofing). He also treats wet rot, dry rot and timber decay and protects against woodworm. From rising damp solutions to waterproofing and basement tanking, Keith is a trusted, go-to source, highly-recommended by property owners across the Scottish Borders, the Lothians, Berwick upon Tweed and Northumberland.
Services
Working from Hawick, Keith Rennie Ltd covers the Scottish Borders, north Northumberland and the Lothians - offering rising damp proofing, timber treatment and woodworm control. Damp problems and timber decay can damage the value of your property and seriously impact your health. Across Scotland, damp is a real issue for thousands of households, with an estimated 20% of children living in homes with condensation and dampness.
Particularly common in older buildings, rising damp is probably the most common problem I am asked to investigate. Caused by moisture rising by capillary action through the stone/brickwork, it can cause secondary problems such as dry/wet rot and salt contamination to plaster. This process involves passing a charge through a titanium wire which is linked to a series of anodes and earthed using a ground rod.
Penetrating damp is usually a result of leaking down pipes and gutters or roof related issues, or porous building material, allowing water to get into the building causing the walls to become wet. Lateral/penetrating damp usually presents on external walls, increasing after periods of heavy rain, in the form of patches of damp.
The alternative to moving house may be to expand and use areas of your property that are underground. In many cases this can be achieved by the introduction of Basement Waterproofing. In the past, many different systems have tried and, in most cases, failed to deal with the problem of creating a dry environment, either partially or completely below ground level.
Many factors can cause decay to timbers within buildings. However, there are two common factors which all rot stems need for growth and without which it cannot sustain growth, namely: water and a food source (timber).
The source of the water could come from a number of areas, such as leaking down pipes, rising damp, condensation, roof leaks or flooding, but they all have the same effect; they increase the moisture content of the timber to a level that will support the growth of rot (20-30% for dry rot or 60% and above for wet rot).If you want to effectively eradicate the problem then as soon as you find the decaying timber, remove the moisture source.
The source of the water could come from a number of areas, such as leaking down pipes, rising damp, condensation, roof leaks or flooding, but they all have the same effect; they increase the moisture content of the timber to a level that will support the growth of rot (20-30% for dry rot or 60% and above for wet rot).If you want to effectively eradicate the problem then as soon as you find the decaying timber, remove the moisture source.
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