Abacus Construction Index
UK: Rainscreen Cladding: Rainscreen Cladding Suppliers
ABOUT RAINSCREEN CLADDING
Rainscreen cladding consists of a relatively thin open-jointed screen spaced away from an inner wall. In its simplest form, the rainscreen can be sheet materials spaced apart, allowing rainwater to drain down the back face of the rainscreen. The cavity is fully ventilated and not limited in size to enable rapid drying of any water crossing the cavity.
A more sophisticated version of rainscreen cladding involves equalising air pressures both within and outside the cavity by carefully controlling both the sizes of the cavity and the sizes of the open joints. There must also be a complete air seal at the back of this cavity. The rainscreen cladding skin catches most of the droplets, and for those few drops which get past the screen, the pressure inside and outside the rainscreen is practically equal and there is therefore neither energy nor air stream available to drive the droplets across to the inner face. The widths of the joints in rainscreen cladding must be accurately controlled, especially where catchment trays at the rear of both vertical and horizontal joints are dispensed with.
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Since wind action on rainscreen cladding will produce both positive and negative pressures, it is important to close cavities at the corners of the building so that pressures and suctions operating on different faces of the rainscreen cladding do not interfere with each other.
LEADING UK RAINSCREEN CLADDING SUPPLIERS
Other useful links relevant to rainscreen cladding:
Metal
Cladding & Roofing Manufacturers Association
DETAILED INFORMATION RESOURCES ON RAINSCREEN CLADDING
We recommend the following professional construction directories, which include manufacturers' specifications and CAD details: Barbour Compendium at www.barbourcompendium.co.uk, RIBA Product Selector Plus at ww.productselector.co.uk, ASC Bricsnet at www.ascinfo.co.uk, Building Products Index at www.bpindex.co.uk, British Board of Agrément at www.bbacerts.co.uk, British Standards Online at www.bsonline.bsi-global.com.
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Other recommended portals: Archbone, Building Design, Homeone Australia, Lighting Directory, Sapling, Stone Network.
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