T-Vault continuous rooflights

Technical data

T-Vault in opal diffused

T-Vault in opal diffused

Vertical and horizontal forces

Vertical and horizontal forces

Performance

The system has a very high resistance against chemical influences and weather conditions and carries a 20 year hailproof guarantee. Fire tests have been carried out and the units are certified according to EN 1187.

Performance of GRP glazing

Typical values	Standard	Fire retardant
Fire rating to BS 476: Part 3	AB	AA
Fire rating to BS 476: Part 7	Class 3	Class 1
Service temperature	-50 to +120°C	-50 to +120°C
Resistance to wind load	Class 2	Class 2
Air permeability	Class 2	Class 2
Resistance to water penetration	Class 9a	Class 9a
Impact test	1200 J	1200 J
Wind driven rain/snow 600Pa	Pass	Pass

Curb angle

On the long sides the curb top should be splayed as noted in the table below. Curbs at each end of the rooflight should be horizontal.

Span (m)	1.0	1.5	2.0	2.5	3.0	3.5	4.0
Angle	10°	15°	20°	25°	30°	35°	40°