Roof hatch RHTD double lid, flat

Certificates:

KOMO:SKG.0372.0503

Special dimensions:........ x ........ mm

• Maximum size: 2500 x 5000 mm
• Special sizes are supplied in aluminium

Product features roof hatch RHTD:

• Thermal separated and insulated construction
• Gorter Counterbalancing system for assisted opening and controlled closing
• Wind and weathertight double sealing
• Lid that engages automatically in open position, with one hand release
• Two point latch for inside operation, with padlock hasps.
• Diagonal handrail in Gorter yellow on the inside of the lid provides extra grip when stepping in and out
• Option: four powerful motors with closure order control

Performance:

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

• Insulating (EN-ISO10077-2): U_w ≤ 0.276 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 coating:

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

Attention: 

• Lid is provided with internal stiffeners, small welding spots can show on outside
• To prevent damage and deformation don’t open lid with strong winds.