If you’ve had an accident late at night, we won’t be able to replace your glass immediately. In this case, we will board up your window with plywood boards to maintain security, and arrange for the glass to be fitted once it is available. We operate a 24-hour rapid-response Caernarfon boarding-up service, to give you peace of mind when you need it most. We can also board-up large Caernarfon commercial premises when the owner has vacated the building, or is in the process of a large-scale refurbishment, where the building needs to be protected against squatters and other intruders. All boarding-up jobs in Caernarfon and the local area include a free quote on replacement glass if required.
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There are two types of Toughened glass; heat-treated and chemically treated. There are then two further types of heat-treated glass; heat-strengthened, and fully-tempered. Fully-tempered heats the glass to above its annealing point, and then rapidly cools the glass. This makes it approximately four to six times tougher than standard float glass, enabling it to qualify as a safety glass that conforms to BS 6206 Class A.
Heat-strengthened follows a similar process, but is only twice as tough, and does not qualify as a safety glass. Chemical toughening involves running the glass through a bath of molten potassium nitrate, which exchanges the smaller sodium ions in the glass, with the bigger potassium ions in the molten bath.
The advantages of this are two-fold; the glass is tougher than when heat treated, and this approach can be applied to glass of complex shapes and sizes, making it suitable not just for glass sheets, but also for glass ornaments, and glass of unusual sizes.