Dimension Tolerances
Overall
width and height dimensions +/- 3mm In accordance with GGF
Standard for the Quality of Thermally Toughened Glass for
Building
Overall
bow 3mm per linear meter.
Thickness tolerance
for toughened and laminated float glass
Up to
10mm - +/- 0.8mm
Up to 26mm - +/- 1.0mm
Up to 32mm - +/-1.5mm
Over 32mm - +/- 2.5mm
Please
note that the tolerances for patterned glasses will vary from
the above dependant on type.
Panel alignment
Allowable
tolerance edge alignment +/- 3mm over 1.5 linear meters.
Processing
Edgework
in Accordance with BS 952 1980 Pt2
Holes
will be considered to be designed with an allowance of +/-
3mm from the center reference point to allow for alignment
of holes in leafs 1 and 2.
General Specifications
Laminated
Glass in accordance with the portents of BS 952 Pt 1: 4.3
Impact
Performance in accordance with BS6206: 1981
Visual
Standard viewed from 3 meters as per Glass and Glazing Federation
document “ Visual quality standard for installed insulating
glass units constructed from flat transparent glass”.
Interlayer Data
Bubbles
in the interlayer are considered acceptable providing they
do not exceed 3mm in diameter and are not visible from 3m.
Clear
edge tape may evident unless otherwise specified.
Relevant
shear strengths available on request.
Installation
Conforms
to the portents of BS8000.
The compatibility
of adjacent and proposed glazing materials must be verified
with the manufacturer prior to installation.
