Roof hatch RHT in standard sizes

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Certifications:

CE ETA-15/0338

Opening (mm) - Weight:

  • RHT7090: 700 x 900 mm / 38 kg

  • RHT7010: 700 x 1000 mm / 56 kg

  • RHT9090: 900 x 900 mm / 44 kg
  • RHT7014: 700 x 1400 mm / 68 kg
  • RHT1010: 1000 x 1000 mm / 65 kg
  • RHT1015: 1000 x 1500 mm / 84 kg
  • RHT1020: 1000 x 2000 mm / 101 kg
  • RHT9024: 900 x 2400 mm / 89 kg
  • RHT1025: 1000 x 2500 mm / 120 kg
  • RHT1030: 1000 x 3000 mm / 134 kg

Hinge side = long side

 

Gorter® - completely assembled with:

  • Thermal separated and insulated construction
  • Counterbalancing system for assisted opening and controlled closing
  • Wind and weather tight sealing between lid and curb
  • Lid that engages automatically in open position, with one hand release
  • Stainless steel Eurocylinder lock, inside and outside operation.
  • Diagonal handrail on inside lid to safely enter and leave roof hatch

 

Performance according to CE (ETA-15/0338):

  • Resistance to permanent loads (Eurocode EN 1993-1-1): 1050 kg/m²

  • Insulating (EN-ISO10077-2): Uw ≤ 0.32 W/(m².K)

  • Sound reduction (EN-ISO140-3): 26 dB
  • Watertightness (EN 12208): Class E 650
  • Resistance to wind load (EN 12210): Class E 3000
  • Resistance to snow loads (EN 1991-1-3): 3.97kN/m²
  • Impact hard body (EN 356): Class P5A
  • Impact soft body (EN 13049): Class 5
  • Air permeability (EN 12207): Class 3

 

Standard powder coating:

Powder coated in RAL7047 (outside) and RAL9010 (inside).

Gorter® Electrical Operation of Roof Hatches and Floor Doors

Standard Electrical operation - GT35

electrical operation gt35The Gorter GT35 electrical operation is a solution, which can be fitted on any standard Gorter RHT roof hatch or floor door of the type WA, WAPT and OP. The two powerful electric motors are always fitted as a pair on both sides of the lid.

 

Suitable for

  • Roof hatches type RHT standard
  • Hinged Floor doors type WA (flush), WAPT and OP

 

Operation and control 230Vac

The Gorter GT35 is a system with two motors and a control unit. The system comes standard with a wireless remote control and a compact control panel. The keypad connected with signal cable can be installed remote from control unit.

Dimensions:

Control unit: 265 x 105 x 40 mm

Keypad: +/- 70 x 50 x 10 mm

Length of signal/power cable motors: 2 m

Electrical installation:

The drives and the wiring must be installed by a certified installer

 

Operation for a hatch with double lids

electrical_operation

Depending on the access door type, the weight of the cover and the application, we can install one or more gear rack drives. These drives are available in 24 Vdc or 230 Vac.
Operation and control 230Vac

This is the simplest system with 1 motor. It can be operated with an integrated or surface-mounted switch, not included.
Operation and control 24Vdc
Operation of one or more drives is controlled by a control box with rectifier that is connected to the electricity network.
Features

  • Communication with central alarm system, possibly combined with emergency switch
  • Programmable
  • Operation control of other objects
  • Control by automatic detectors - smoke, rain, wind, fire etc.
  • Automatic sequence control of two covers that are overlapping
  • Automatic stop in case of unequal load or overload
  • etc.

Depending on the features we will recommend a suitable control box type.
Emergency hatches and doors:
It is of life importance that an emergency door opens after a break down of the electrical system. For those reasons a control box can be provided with a built-in emergency power pack.
Electrical installation:

The drives and the wiring must be installed by a certified installer.

​

Documentation:
pdfRoof hatch RHT brochure2.71 MB

pdfFolder RHT901.17 KB

pdfProduct catalog6.95 MB

pdfTechnical Data Sheet - Roof Hatches RHT / RHTEI / RHTX154.82 KB

pdfTechnical Data Sheet - Reset / Calibration GT35 / GT50202.93 KB


Manuals:

pdfUser information roof hatches2.30 MB


Drawings:

  pdf large icon autocad large icon sketchup large icon revit large icon ifc large icon ifc large icon
 

Acrobat

.pdf

AutoCAD

.dwg

 Sketchup

.skp

REVIT

.rfa

  REVIT

.rvt

 REVIT

.ifc
RHT7090 pdf icon autocad
sketchup icon rva icon rvt ifc
RHT7010 pdf icon autocad sketchup icon rva icon rvt ifc
RHT9090 pdf icon autocad
sketchup icon rva icon rvt ifc
RHT7014 pdf icon autocad sketchup icon rva icon rvt ifc
RHT1010 pdf icon autocad sketchup icon rva icon rvt ifc
RHT1015 pdf icon autocad sketchup icon rva icon rvt ifc
RHT1020 pdf icon autocad sketchup icon rva icon rvt ifc
RHT9024 pdf icon autocad sketchup icon rva icon ifc ifc
RHT1025 pdf icon autocad sketchup icon rva icon rvt ifc
RHT1030 pdf icon autocad sketchup icon rva icon rvt ifc

Watch the Revit instruction video

jpgInstallation roof hatch on concrete upstand47.71 KB
jpgInstallation roof hatch on concrete or steel roof53.02 KB
jpgInstallation roof hatch on concrete roof46.82 KB
jpgInstallation roof hatch on concrete roof insulated53.98 KB

 

Certificates:

pdfDeclaration of performance CE roof hatch RHT44.71 KB

pdfKOMO Certificate: Roof hatch RHT120.07 KB
pdfTÜV NORD Certificate: Roof hatch with ladder, scissor stairs and fixed stairs670.29 KB

pdfEuroSolid Report: Thermal performance Roof hatch RHT525.05 KB

pdfPeutz Report: Sound insulation roof hatch RHT1.14 MB

pdfSKG Report: Aluminum roof hatch ball impact test151.21 KB

pdfEMI Report: Snow load roof hatch423.31 KB 

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Maximum dimensions: 6000 x 7000 mm

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Gorter roof hatches can be used as escape hatches, but in most situations, they provide practical and safe access to flat roofs for maintenance work or to a roof terrace. Roof hatches can be installed on flat roofs with a maximum slope of 30°.

 

New generation Gorter RHT roof hatch

The new generation RHT roof hatches feature an extremely strong and patented construction. Thanks to several modifications, the roof hatch is even more resistant against unexpected extreme loads, both during construction and in general use. 
 

Improved features and functionalities of the indestructible and sustainable RHT roof hatch:
• Made and Designed in Holland
• New and improved, patented indestructible construction
• Trusted, with CE(ETA) certification
• Now available directly from stock in sizes up to 1000 x 3000 mm
• Fully standardised to metric dimensioning

 

New generation Gorter RHT roof hatch

The new generation RHT roof hatches feature an extremely strong and patented construction. Thanks to several modifications, the roof hatch is even more resistant against unexpected extreme loads, both during construction and in general use.

Improved features and functionalities of the indestructible and sustainable RHT roof hatch:

  • Made and Designed in Holland
  • New and improved, patented indestructible construction
  • Trusted, with CE(ETA) certification
  • Now available directly from stock in sizes up to 1000 x 3000 mm
  • Fully standardised to metric dimensioning

 

Fully thermally broken

The Gorter RHT roof hatch has a fully thermally broken curb and cover, and a proven high insulation value of Uw ≤ 0.319 W/(m².K) This minimises the chance of condensation forming and guarantees energy cost savings.

 

Gorter RHT roof hatch:

  • CE (ETA-15/0338) and TÜV NORD certified
  • Fully thermally broken curb and cover
  • Safe to operate with one hand
  • 10-year warranty on the roof hatch
  • Optional electric control
  • Fast delivery
  • High-quality construction
  • Stainless steel Euro cylinder lock with indoor and outdoor operation
  • Burglar- and sound-proof 

Read more about the advantages of Gorter roof hatches here

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