Please see the types of glass we do.

Clear 4mm
we use Pilkingtons lass with a clear float glass having a total solar heat transmittance of 0.87 (i.e.clear float glass about 4mm thick).

Toughen glass
All of our toughened safety glass is compliant with BS EN 12150 across all thicknesses up to 19mm and carry the CE Mark.

Laminated glass
We use Pilkington Optilam™ laminated safety and security glass. … 6.4mm is the most widely used thickness for protecting people against risk of accidental injury giving ..

Double glazed Units DGU
We, at APT Bespoke Joinery , are the specialists in using double glazed sealed units, also known as DGU’s.

All of our sealed units are compliant with BSEN 1279 Parts 1 to 6 and carry the CE Mark.

Sashlite Double Glazed
Sashlite Double Glazed Sealed Units encompass the latest Warm Edge Technology, Low E Glass and Insulating Inert Gases in order to produce, as low as, an 11mm overall thickness sealed unit, whilst complying with Building Regulations.

Construction of the Sashlite DGU

sashlite construction DGU

3mm or 4mm Clear / 4mm Krypton Gas Filled Cavity / 4mm Low E (N.B. Our sealed units are filled with 90% pure krypton, not a krypton/argon mix

  • 5mm Perimeter seal width
  • Black, Warm Edge spacer bar
  • Sealed with Epoxy Resin
  • U-Value Achieved as low as 1.6