- Climate - If your window faces south, it will be subject to direct sunlight for a lot of the day. This tends to cause the sealed unit to fail more quickly – a south-facing window may last between 10-25 years. This is because the spacer bars will twist as the temperature rises and causes the adhesive holding them together to eventually fail.
- Moisture - Windows in kitchens and bathrooms tend to fail more quickly because they come into contact with moisture more often. For example, if water gets on your windowsill when you shower, the seal around the glass will come loose more quickly if it’s constantly wet.
Llanbrynmair
Llanbrynmair is a village, area and also electoral ward in Montgomeryshire, Powys, on the A470 road in between Caersws and Machynlleth. Llanbrynmair, in area, is the 2nd biggest in Powys. In 2011, it had a population of 920. The area consists of several communities: Talerddig, Dolfach, Tafolwern, Pandy, Cringoed as well as Pennant. The original centre goes to Llan, on the road to Llanidloes, where the local parish church of St Mary lies. The current centre (formerly called "Wynnstay") at the junction of the A470 and B4518 rose to local prestige with the building of the new turnpike road in 1821 and the arrival of the train line in between Newtown and Machynlleth in 1861. Geographically, the community includes the valleys of three rivers-- Afon Twymyn, Afon Iaen and also Afon Rhiw Saeson-- and the surrounding uplands. The 3 rivers sign up with around the primary town and flow westwards as the Afon Twymyn towards the Afon Dyfi and also Cardigan Bay. The Cambrian train line, built in the 1860s, goes through Llanbrynmair and temporarily supplied an electrical outlet for the mines at Dylife, 8 miles southern. The village station closed in 1965 as part of the "Beeching closures". There was a level crossing next to the station however, following the unintended fatality of an American visitor in October 1999 and also its description as a "blackspot", the going across was closed and the road drawn away. The area is predominantly Welsh-speaking and reliant upon livestock farming. It was lucky to leave the foot and also mouth disease outbreak in Britain in 2001.