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Thursday, March 17, 2011

A Buyer's Guide to Greenhouses


The UK marketplace delivers a wealth of variety in style, material of construction and glazing of the domestic greenhouse.

To avoid poor performance of your greenhouse some of the following rules are recommended.

Siting your greenhouse: For convenience, position your greenhouse as near to your house as achievable without falling into its shadow. Stay clear of placing near trees or in the shadow of buildings, walls, etc., or in incredibly exposed positions. Ideally, you will need to webpage a totally free-standing greenhouse with its ridge running from east to west since this gives much better light penetration in the winter when the sun is low in the sky. A lean-to greenhouse is ideally be sited against a south facing wall.

Glazing: Remarkably, in numerous instances horticultural glass might still be specified. This glass is simply to distinguish from safety glass by its sharp edge and absence of markings. Commonly, horticultural glass is provided in smaller panes commonly overlapping. Inherently over-lapping glass supported by small extra than a couple of retaining clips is the Achilles heal of the aluminium greenhouse and can quite regularly result in the glass falling out in the gales. Predominately full-size sheets of toughened glass is most desirable considering that it is straightforward to clean, adds rigidity and weight to the frame and if broken shatters into safe pieces. Polycarbonate and acrylic glazing whilst sharing some of the properties of toughened glass tends to be light-weight and so increasing the potential for wind damage.

Supplies of construction: Expert gardeners agree that the heat retentive properties of a timber greenhouse far outweigh the occasional maintenance. Aseptically a timber greenhouse is a additional pleasing feature of any garden. Brands such as Alton Greenhouses give their buildings only in Canadian Western Red Cedar a naturally rot inhibiting wood whilst you may well also wish to look at a tanalised or pressure impregnated timber which are on the whole less expensive than their cedar counterparts. A lot of aluminium greenhouses can now be specified in a variety of powder-coated coloured finishes, the method of coating is such that maintenance has been reduced almost to nil. Aluminium greenhouses are fit for purpose but in the absence of heating don\'t expect your season to extend very as far as a wooden greenhouse.

Design: loosely speaking you are provided \'feature\' hexagonal/octagonal/heptagonal shaped buildings which are compact, appealing and tall, free-standing and lean-to designs. Extremely few greenhouses are now offered in \'Dutch Light\' styles (those whose sides slope outward of the base) yet this design will permit extra light into the greenhouse and thus extends the growing season. See the Alton \'Amateur\' or Lowfield FAWT \'Solar\' greenhouse really should this design appeal.