6
EN
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User Information roof hatch
Declaration
General performance
x
The general performance is tested by Stichting Kwaliteit Gevelbouw (SKG) in Wageningen (NL). SKG is a
European Notified Body No. 0960, accredited by the Dutch Accreditation Council under ISO/IEC17025:2005
and EN45011:1998. All RHT, RHTG and RHTEP roof hatches are CE certified. In addition, several of the roof
hatches and combinations come with a TÜV NORD, Aboma or KOMO® certificate.
Safety
x
Safety is approved under International Health and Safety Regulations, EN1050, EN-ISO14122, EN131
and NEN2484 by Aboma, a qualified and licensed safety approving institution. The reports are useful
documents in terms of the risk and safety analysis of a building.
Fire rating and smoke protection (RHTEI)
x
The integrity of the steel Gorter RHTEI roof hatch has been assessed by Efectis according to EN1634-1,
EN1530-4 and BS476: part22.
Classification: E: 120 minutes EI
1
: 120 minutes, EI
2
: 120 minutes.
x
KOMO:SKG.0372.0489
Explosion venting (RHTX)
x
Aluminium roof hatches as an explosion vent are provided with an Explosion Release Control
(Patent Nr. 1870542). The ERC releases the explosion vent if the pressure on the inside cover exceeds
approx. 1,0 kN. Actual standard EN1991-1-7:2006.
Application
x
General, also on higher roofs.
Maintenance
x
To guarantee long and trouble free service, it is important that the hatch is kept clean.
Dirt may cause loss of function. Rotating points must be cleaned at least once a year and a small
amount of Teflon spray should be applied to the moving parts.
x
Do not apply any aggressive or corrosive cleaning products, as these will corrode the rubber parts and
affect the corrosion protection.
x
Clean the rod of the gas loaded spring(s) with a soft cleaning-rag. Do not use scouring pads.
x
To prevent rust formation, repair any damage to the powder coated surface of steel fire rated roof
hatches immediately. The standard colours of a steel fire rated roof hatch are
RAL7011 (outside) and RAL9010 (inside). Aluminium is self-protecting and therefore does not require
immediate repair to any incurred damage.
Maximum roof angle
Roof hatch type
Slope
RHT/RHTEP
: 30°
RHTG/RHTEI
: 5°
RHTX
: 0°