ThermGard provides amongst the best thermal performance currently on the market. A neat box bar design, ThermGard provides a cost-effective alternative to more expensive sloped curtain walling systems without sacrificing aesthetics. Various box rafters are available to suit small or large spans. Alternatively the carrier rail may be mounted on top of continuous timber rafters. The standard profiles offer a contemporary, minimalist appearance or Heritage profiles are also available for period buildings.

  • Superior Uvalues can be achieved
  • Excellent air-tightness performance
  • Unique ventilated box-rafter minimises risk of condensation
  • Contemporary or Heritage profiles available

Span Table

ThermGard maximum recommend spans between top and bottom fixings based on 600mm glazing bar centres for roof and vertical glazing.

Section

Single Glazing (mm)

Double Glazing (mm)

ALM 100/1

3000

1900

ALM 100/2

3800

2900

ALM 100/3

4400

3600

ALM 100/4

5000

4000

ALM 100/5

5500

4500

ALM 100/H6

3000

1900

ALM 100/H7

4200

3450

ALM 100/H8

5000

4000

Please note the above table is for guidance only, for although the glazing bars can be used in compliance with the requirements of BS5516 ThermGard maximum recommend spans may not always comply. If in doubt please contact our Technical Department