Measure Up

How to measure glass!
In the glass trade we use the following terminology and criteria for measuring glass.
The first being a TIGHT SIZE this is obtained by measuring from wood to wood on your window or door frame.
The second being a GLAZING SIZE which you obtain by knocking off 4mm to 6mm tolerance from the tight size.
We recommend allowing 4mm tolerance on small squares up to 250mmx300mm, any sizes above this we would allow 5mm-6mm tolerance.
When ordering the glass you must state the GLAZING SIZE on your order.




		Tight size 600mm Glazing Size 594mm


	Tight Size 300mm Glazing Size 294mm

EXAMPLES

For glass on a slant Please give both heights + width


	If you require glass cut to SHAPE please supply template using cardboard.



			Alternatively make a rubbing by fixing a piece of paper over the opening and rubbing a wax crayon over the edge of the rebate.


	Do you require double glazing? Please provide the thickness of the double glazed unit you require.

Glass Safety All glass supplied by Knowsley Art Glass Ltd can be toughened to meet current safety laws in door and door-sides. However for further information regarding the use of safety glass you can visit www.planningportal.gov.uk and view approved Document N.

		For More Details Please Contact Us e-mail: sales@artglass.org.uk Tel/Fax: 0151 489 2214


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