Rot in openers and sliding sashes:

renovation-window-framePutty
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.

window-repair-plans

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About southamptoncarpenter

Starting with a 5 year boat building apprenticeship and a further 2 years training as a wood machinist then a further 4 years working for a small independent company restoring furniture and manufacturing reproduction antique clocks, and then 10 years in a therapeutic teaching environment passing on my skills I have been a self employed sole trader for over 15yrs so with well over thirty years experience in carpentry, and fully functioning static and mobile workshops, I am able to offer all aspects of bespoke carpentry and joinery, as well as standard refurbishments in your home, including doors, stairs, windows, skirting, furniture repairs, flooring, wardrobes, and general repairs and renovations.