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Stair Information for Glass Sides

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There is a maximum span for glass infill panels on stairs to comply with legislation and the principles of BS6180 and this recommends that balustrade infill panels should be limited to a length of around 1500 to 2000m, since the glass may appear to be rather flexible to the casual observer if the spans are longer than this and cause safety issues. 

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Below is the Span table for Bolted Toughened Glass (mm)

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                 UDL (kN-M2)          Point Load (kN)          10mm          12mm          15mm

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                       0.5                                 0.25                    2150             2450             2900    Domestic

                       1.0                                   0.5                     1800             2050            2450     Light Comercial

                       1.5                                   1.5                     1200             1650             2050     Heavy Commercial

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It is a different guideline for free standing protective barriers. Please ask for information.

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Timbers

There are many different kinds of timber. You need to ensure that the manufactured product is produced in the correct timber for your needs. 

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See below for guidance:

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Sapele: Used on windows and doors / Is a very porous timber therefore can be painted or stained. 

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European Oak: Used on exterior work eg windows and doors / Stainable to can be left natural to be silver.

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American White Oak & American White Ash: Used on interior work eg kitchen units, internal doors, skirting and architrave / Lacquered or stained. Not painted finish. 

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Idigbo: Used both internally and externally on doors, windows and skirting boards etc / Stained, painted or lacquered.

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Poplar (Tulip Wood): Close grained timber used on kitchen unit doors and various beads / Does not stain well, so needs to be painted. 

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Iroko: Very resinous so ideally used on exterior work eg gates / Teaks oils or stainable. 

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Natural Beech & Steamed Beech: Interior work. Good on furniture, stair spindles etc / Stainable and lacquer.

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Maple: Interior on fire surrounds and free standing braining boards / Lacquer or natural. 

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Wenge: Interior use on kitchen units, wardrobes etc / Lacquer.

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Red Deal (Softwood, Pine): External and internal use on skirting boards, doors, windows, architraves etc / Stained and paint. 

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