- Custom made to any size
- Thermally broken extruded sections
- Double glazed 35.5mm Pilkington Laminated Toughened Glass
- Rw25dB acoustic rated
- ODP (Ozone Depletion Potential) of 0
- GWP (Global Warming Potential) of 3
- Frameless design eliminating water ponding
- Gas spring assisted operation
- Hold open stay – against accidental closure
- Factory pre-assembled and tested
Boxed rooflights for terraced roofs can be produced with clear, opaque and smoke glass options. The glass can be self cleaning or walk on. Contact our sales for further details on glass specifications.
Thermally Broken Roof Hatch
All our Roof Hatches include thermal breaks. Hence the top energy saving properties and greatly reduced internal condensation and frost formation.
In addition this reduces thermal conductivity and heat loss.
Surespan boxed rooflights for terraced roofs are the perfect option for green roof access. They feature creates low noise in operation and have built in electronic solid state controls. Other standard features include battery back-up, manual override, speed control and creep speed sealing at end of travel.
The sealed double glazed unit includes 6mm toughened K polished all round outer pane, 20mm warm edge silver spacer bar argon filled and 9.5mm toughened and laminated inner pane. This sealed glazed unit has a U-Value of 1.5 W/m²K.
The other parts of the hatch is filled with insulation. This offers a high level of thermal efficiency, together with great sound absorption properties. Fire rating to 1 hour offered as an option.
Complete with gas spring assisted opening to ensure the minimum of effort to open the lid.