Skylight Installations
0800 888 161
 

Frequently Asked Questions

1. Do size and location matter?
2. What is a 'Tubular' skylight?
3. Will my skylight leak?
4. What is the 'Light Shaft'?
5. What is a diffuser?

1. Do size and location matter?
It may seem obvious, but the larger the skylight the greater the amount of light transferred into your home. The direction your skylight faces will also affect the amount of light you receive.

This does not mean if your roof is not facing north it's not worth installing a skylight, it just will not be as bright for such a long period. To increase the amount of light with your skylight being on the southern side of the roof, you can have a slightly larger skylight installed.

2. What is a 'Tubular' skylight?
Tubular skylights consist of a circular or square low profile dome, Or flat glass window on the roof, a rigid or flexi-tube light shaft and a diffuser in the ceiling. The straight sided 'tube' is likely to be more effective because it sides are smooth and will reflect light into your home more efficiently.

These skylights are generally 250mm or 400mm in diameter. Or if you like square 400mm2 up to 600mm2. The flexi-tube skylights range from about 250mm to 500mm in diameter. Generally speaking, the larger the shaft the greater the amount of light received, but this is not always so. One advantage in flexi-tube skylights is when the roof-space is so obstructed with roof timbers that the open shaft type can't be fitted at all or without altering the timbers in the roof.

3. Will my skylight leak?
Your skylight could leak if it is broken by direct force such as somebody walking on the roof and stepping on it. If the skylight has been installed correctly it should not leak. Some of the tubes we install have only one roof component, which matches your existing roof profile and is least likely to leak. These are made to fit most concrete tile roofs, steel Dekra tiles, and corrugated iron roofs.

4. What is the 'Light Shaft'?
The Light Shaft is the most important element in a skylight with regards to conducting light from your roof into your home.

A skylight with a long shaft will produce less light than a skylight with a shorter shaft if they are made of the same materials. If your ceilings are higher than normal, then the effect of the skylight will be less because the light has further to travel and spreads out more.

Light shafts with straight sides allow the maximum amount of light through from the water tight device on your roof to the ceiling diffuser. Other factors such as heat insulation, aesthetics, cost, weatherproofing, existing roof structure and personal tastes need to be considered.

5. What is a diffuser?
A diffuser is a translucent covering, usually set in a frame in a ceiling, used to scatter the light and prevent glare. These are normally made of acrylic for reduced weight and safety reasons.


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CALL TODAY on 0800 888 161 or email us at: info@skylightinstallations.co.nz

 

 

 

 

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