- Impact from a stone or other object smashing the glass in a ‘bullseye’ effect
- The result of a break-in
- Extreme weather or changes in pressure causing a crack
- The sealed unit being ‘blown’, meaning that it’s no longer energy efficient due to air leaking out
Lostwithiel
Lostwithiel is a civil parish and village in Cornwall, England, United Kingdom at the head of the estuary of the River Fowey. According to the 2001 census it had a population of 2,739, enhancing to 2,899 at the 2011 census. The Lostwithiel electoral ward had a population of 4,639 at the 2011 census. The name Lostwithiel comes from the Cornish "lostwydhyel" which means "tail of a wooded area". The community is located in the Fowey river valley, placed between the A390 road from Tavistock to Truro and also the upper tidal reaches of the river. Lostwithiel train station is on the Cornish Main Line from Plymouth to Penzance. It is located on the south side of the community, simply throughout the medieval bridge. The line was originally developed for the Cornwall Railway which built its primary workshops below, but the surviving workshop buildings were changed into apartment or condos in 2004. A branch line takes china clay trains to Fowey. The community contains the residential areas of Bridgend to the east and Rosehill and Victoria to the west of the River Fowey.