Self supporting thermal break aluminium lantern, skylight and rooflight system to suit glass and polycarbonates for heated or unheated spaces.
Self supporting aluminium system fabricated from Lonsdale ThermGard series patent glazing sections, enabling rooflights to be installed 6 metres (maximum) wide by infinite length without the need for any additional steel or timber supports.
All sections are purposed designed to achieve optimum weathering performance and ease of installation with invisible fixings. Opening lights can be incorporated.
Typical designs include multi faceted conical, pyramid, gable ended, hipped or special shapes. Standard roof pitches are from 22.5° in 5° increments, up to 45°.
SpanGard self supporting rooflight
Lantern Light with glazed 500mm upstand
Skylight without glazed upstand
Thermally broken aluminium box sections and integral cill
Polyester powder coating, BS colour ___
Polyester powder coating, RAL colour ___
|Film thickness (minimum)|
|Bottom overhang lap|
28 mm low-e
1.5w/m2.k double glazed units consisting of 6.4mm laminated, argon cavity and 6mm toughened clear glass with stepped bottom edge.
28mm super low-e
1.1w/m2.k double glazed units consisting 6.4mm laminate, argon cavity and 6mm toughened clear glass with stepped bottom edge.
6 mm clear toughened glass
6mm solid polycarbonate
6.4mm clear laminated glass
7 mm wired safety glass
16 mm multi-wall polycarbonate sheet blown free of swarf and taped both ends
25 mm multi-wall polycarbonate sheet blown free of swarf and taped both ends
GlazaTherm Top hung opening rooflights with cord
GlazaTherm Top hung opening rooflights with electric motors
GlazaTherm Top hung opening rooflights with pole
Top hung opening casement vents in upstand
|Standard product features|
Material to BS 1474:
Aluminium alloy, 6063-T6.
A range of architectural finishes available, including polyester powder coating to BS 6496 in standard RAL, Syntha Pulvin or BS colour ranges.
Generally up to and including 750mm, but wider centres can be accommodated in some circumstances.
Other specifications are available including solar control, tinted or diffused glass and photo-voltaic panels.