Rot in openers and sliding sashes:

The number one cause of rot, it cracks over time, usually starting in the corners, water gets in, and the damage starts.  Water sits in the rebate where it has no means of drying out sufficiently, until next winter arrives, bringing more rain and, for good measure, a frost, which freezes the water between the glass and putty. This then expands, letting in more water, and the cycle repeats.  These events will set in motion wet rot behind the putty in the rebate. If the damage is in the corner of the window, the joints between the bottom rail and stiles, mullions, and glazing bars start to suffer as well. It would be wise to check the putty on your windows once a year; it only takes five minutes, and if it is showing signs of degrading then get it raked out and a fresh bead put back in. You can tell if new putty is needed by seeing if there are any cracks in the putty or if it has come away from the glass, in which case you often see moss or dirt between the glass and putty.

Other causes of wet rot in openers can be as described above for window frames: poor quality paints, problems regarding the throat, shrubs, and leaking gutters.

Below highlighted in red are the most common areas vulnerable to wet rot.


Published by southamptoncarpenter

Traditional standards. Traditional tradesman. Traditional service. I have been a carpenter for over 45years, 5 year apprenticeship as a boat builder, 2 years as a wood machinist, then a spell repairing furniture and manufacturing reproduction antique clocks. I spent a further 15 years working in a therapeutic environment passing on my skills, before setting myself up as a self-employed carpenter/joiner. As you will appreciate, I undertake a wide range of projects, so scrolling through the site map may well direct you to past work that may be similar to your requirements. The preferred way to contact me is by using the contact page on this site. However you can always ring me during normal working hours. Lead times vary depending on the time of year; small jobs I can often do promptly. I cover Southampton and I am also happy to visit Winchester and Salisbury areas, but a small fee will be charged.

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