- 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
Llangammarch Wells
Llangammarch Wells or merely Llangammarch (population 541) is a village in the neighborhood of Llangamarch in Powys, Wales, lying on the Afon Irfon, as well as in the historic region of Brecknockshire (Breconshire). It is the smallest of the four spa towns of mid-Wales, along with Llandrindod Wells, Builth Wells and Llanwrtyd Wells. The spa was focused on a barium well, which is currently closed. The old town is centred on the parish church of St Cadmarch, which is a grade II * listed building. Llangammarch station is on the Heart of Wales Line with trains given by Transport for Wales. It rests on Route 43 of the National Cycle Network. Llangammarch Wells Golf Club (now inoperative) was founded in 1904. The club and also training course vanished in the 1950s.