Mardome Rooflight Access Hatch

Application

  • Configured to meet a range of specification needs including insulation, security and light transmission, and have a variety of kerb options to satisfy installation requirements on site.
  • Intended for installation on flat roofs of all modern building types to provide natural light (and ventilation where specified).

Description

Access hatches are available with a choice of standard low rise dome or optional pyramid shaped glazing units.

The flexibility of the Mardome Trade range means Mardome Roof Hatch can be configured as an access hatch providing safe, easy access to roof spaces for roof maintenance and other utility purposes or to open up roof spaces for terraces and roof gardens. Mardome Trade Access Hatch rooflights feature internal opening mechanisms incorporating hinged dome unit and gas springs to facilitate a 90° opening. Units come complete and ready to fit. When in the open position, the dome unit is supported by the gas struts.


Features and benefits:

  • Ten years guarantee.
  • Lockable Internal handle. 
  • Secure fixings with tamper-proof caps.
  • Choice of UV protected clear, opal or textured polycarbonate glazing.
  • Delivered to site complete and ready to fit in robust packaging for easy handling.
  • Choice of standard low rise dome or optional low rise pyramid shaped glazing units.
  • Double and triple skin units are available for improved thermal performance.
  • Aerodynamic low rise glazing unit.
  • Sleek, contemporary aesthetics inside and out.
  • Multiwall PVC kerb in standard and tall options.

General information

Material

Polycarbonate

Unplasticized polyvinyl chloride (PVC-U)

Shape

Square

Rectangle

Size

750 x 900 mm

900 x 900 mm

750 x 1050 mm

900 x 1050 mm

1050 x 1050 mm

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WarrantyDescription

Ten year

Uniclass 2015

Pr_30_59_36_74 Roof hatchesPrimary

CAWS

L20/630 Hatches

Specification data - Roof hatches Enhanced data

Third-party certification

BBA certified.

Format

External.

Door

-

Orientation

Horizontal.

Position

Recessed.

Material

Plastics.

The outer dome of Mardome Trade and Ultra is manufactured from 3 mm impact resistant Marlon FSX Longlife polycarbonate sheet which is co-extruded with a UV protective coating to both sides. The inner domes are manufactured from 2 mm impact resistant Marlon FSX Longlife polycarbonate sheeting for double, triple and quad skin options.

Operation

-

Mode

Manual.

Hinged opening dome which is operated manually via a worm gear drive with an extension pole.

Automatic.

Chain actuator - Powered hinged opening dome with completely concealed operating mechanism. Opened and closed using a control switch or remote control.

Sensor powered.

Powered hinged opening dome which includes rain sensors for automatic operation.

Solar powered.

Wireless, solar powered, hinged opening dome. Opened and closed with remote control or optional wireless wall switch, with optional rain sensor and thermostat control for automatic operation.

Access hatch.

90° gas struts - To gain entry to a roof for maintenance or as an emergency exit. Unit held open by two gas struts.

FireRating

To BS EN 13501, B-s1,d0.

Size:

750 x 900 mm.

900 x 900 mm.

750 x 1050 mm.

900 x 1050 mm.

1050 x 1050 mm.

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Ventilation

Trickle ventilation (Hit-and-Miss).

Manually operated trickle ventilation provides background ventilation to the interior.


Provides 8400 mm² Equivalent Area Ventilation.

Automatic humidity controlled trickle ventilation.

Humidity controlled trickle ventilation is sensor controlled to open and close in response to room humidity levels.


Provides 7822 mm² Equivalent Area Ventilation and provides superior protection against condensation

Powered extraction Ventilation.

Mains powered extraction ventilation with optional sensor control to turn on or off in response to room humidity levels.


Provides 55 – 880 m³ /hr @ 0pa of extraction ventilation depending on quantity of fans.

Acoustic performance

To BS EN 140-18, 61.8 dB.

Standard Triple Skin Polycarbonate Dome.

To BS EN 140-18, 53.9 dB.

Single Skin Polycarbonate Dome over double glazed glass inner panel.

To BS EN 140-18, 46.7 dB.

Standard Triple Skin Polycarbonate Dome WITH Acoustic Pack (comprising absorbing lining and acoustic insulating material). Consult manufacturer for information.

Options

Clear.

High visibility.

Textured.

Privacy.

Opal.

Diffused light & solar control.

Colour/ Finish

Clear.

High visibility.

Textured.

Privacy.

Bronze.

Solar control.

Opal.

Diffused light & solar control.

U-value

1.8 W/m²K.

2.7 W/m²K.

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