Conservatory roofs

Conservatory roofs can be either tiled or glazed.
Conservatories with tiled roofs are sometimes classified as sunrooms. Although sunrooms will block some natural daylight, they do have the advantage of being qualified as an extension to the home, adding to the overall house size.
Glazed conservatory roofs can be made of polycarbonate glazing or glass.

Polycarbonate glazing

Polycarbonate is sometimes used as a less expensive alternative for conservatory roofs. As it weighs less than glass and is easy to install, it can be suitable for conservatory roofs in some types of constructions. The thickness of polycarbonate generally varies from 10mm, which offers a very low level of insulation, up to 35mm. Polycarbonate does not offer the same level of insulation as double glazing and a conservatory constructed from it will be likely to suffer temperature fluctuations - with overheating in the summer and drafts in the winter. In addition outside noise and even rain falling on a polycarbonate roof can be a nuisance.

Double Glazing/Glass

Glass is more costly than polycarbonate but it does offer better insulation and transparency – and is more aesthetically pleasing. If you want to enjoy your conservatory all year round, a number of glazing options have special ‘comfort’ properties such as heat insulation (Low E), solar control, self-cleaning and acoustic insulation features.

Combining Low E glass with solar glass will keep a conservatory at a comfortable temperature all year round. Low E glass will reduce heating costs, cold spots and condensation. Solar control glass will protect against overheating and glare in the summer, without the need for installing blinds. Using laminated solar control glass in roofs is also a good way of preventing damage to furnishings caused by over-exposure to sunlight.
If the conservatory is located near a busy area such as a road, acoustic insulation glass will help to keep your conservatory quiet. It also helps to reduce the discomfort of impact noise from rainfall on a roof.

With the amount of glazing in a conservatory, using self-cleaning glass can save a considerable amont of time. It is particularly suitable for glazed roofs where access for cleaning can be difficult and dangerous. Self-cleaning glass has a coating which reacts with the sun’s rays to break down dirt automatically. The dirt is then simply washed away with rainwater.
When glass is used in conservatories it should always be toughened or laminated for safety and protection against intrusion.

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