利用者:KaritaMacarthur271のソースを表示

uPVC windows are often the default choice for homeowners when selecting windows. Perhaps right down to the mass advertising campaigns plastered across the television and radio, or maybe because their special deals seem enticing.

However, in fact, there are more to windows than the cheap uPVC options. Here we dispel some of the common myths about uPVC's biggest competitor - the wooden window.

Wood isn't thermally efficient, so doesn't help reduce energy usage.
Wood naturally has a really low thermal conductivity making it a good insulator. However, energy efficiency primarily boils down to the specification of the glazing unit. Consequently, this will make it important to look at the U-values of a window because this refers back to the quantity of heat loss per per square metre of material. The low the U-value, the minus the heat loss.

The other more current approach to understanding the energy efficiency of glass, would be to consider its Energy Rating: A is the most efficient and G may be the least.

Wood windows just don't get recycled.
As it is difficult to determine the exact quantity of recycled windows, research compiled in the Vinyl 2010 progress report shows that the audited amount of recycled wood waste in 2007 was 2 million tonnes as opposed to 42,122 tonnes of PVC recycled waste in the same year.

[http://eyeuser.com/blogs/viewstory/675427 windows from wood] 

Coupled with the fact that certain designers and functions and features using wood waste and shavings as biomass energy, wood is among the most environmentally friendly material options.

Wood windows require a large amount of maintenance.
Unfortunately no window option is void of maintenance, however well manufactured windows will need nothing more than a coat of paint every 8 years or so. The minimal maintenance required explains the reasons Victorian properties still have exactly the same wooden frames as once they were built!

Wooden windows are wonderful if you want single glazing, however i want double glazed windows.
A typical assumption is the fact that double-glazed windows have to have uPVC frames, however this is really a long way away from the truth. Whilst legislation may dictate that period properties need to have single glazed windows, wood windows are designed to suit double-glazing just as much as they are single-glazing.

Consequently, wood windows could be a flexible choice for the homeowner, providing long-term value through high energy efficiency and low maintenance.

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