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AH Access Hatch

Verified by manufacturer 6 months ago

VELUX Commercial

Thermally broken access hatch, aluminium or PVCu framed kerb with choice of glazing types.

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+44 (0) 1592 778916 Website

Application

Flat roof 0–15°.

Description

Features and benefits:

  • Manufactured from aluminium and unplasticized polyvinyl chloride (PVCu).
  • 300 mm kerb/ upstand as standard.
  • Available in mill finish or polyester powder coated.
  • High performance U-value.
  • Wide range of bespoke sizes from 600x600mm to 1500x2500mm.


Operation and ventilation options include;

  • 90° opening for access (1500mm maximum span/opening width)
  • Manual or electrically operated, hinged for natural ventilation and access.
  • Kerb venting, Hinged Vent, Manual, Hit and Miss Vent.


Glazing options (Developed U-Values shown) include;

Glass

  • Double Glazed Glass Overall 1.0 W/m²K
  • Triple Glazed Glass (Argon filled) 0.6 W/m²K/ Overall 0.78 W/m²K
  • Triple Glazed Glass (Low E inner and outer Air filled) 0.8 W/m²K/ Overall 0.92 W/m²K
  • Double Glazed Glass (Low E, Argon Filled 1.2 W/m²K/ Overall 1.2 W/m²K
  • Double Glazed Glass (Low E, Air Filled 1.4 W/m²K/ Overall 1.3 W/m²K


Polycarbonate Domes and Pyramids

  • Triple Skin Polycarbonate 1.8 W/m²K/ Overall 1.7 W/m²K
  • Quad Skin Polycarbonate 1.4 W/m²K/ Overall 1.4 W/m²K


Insulated Solid Lid

  • Insulated Solid Lid (double skin aluminium with 20mm insulation in-between) 1.4 W/m²K/ Overall 1.4 W/m²K
  • Insulated Solid Lid (single skin aluminium with 16mm structured polycarbonate) 2.2 W/m²K/ Overall 1.9 W/m²K


Gas spring assisted access hatch sizes are:

  • 1200x1200mm roof opening size with insulated solid lid.
  • 1000x1000mm roof opening size with DGU glass lid.


Various fixing/foot types depending on application available as splayed or vertical include;

  • Type A Foot – to suit flat board insulation
  • Type B Foot – To suit laid to falls
  • Type C Foot - Direct to deck – no insulation
  • Type D - Adaptor kerb – Fixing to a builders kerb or upstand
  • Type E Foot - Fixing to new timber ground
  • Type F – Sleeve Over existing kerb 
  • Type G - for fixing to an existing kerb or plinth

General information

Color

Silver

Other

White

Finish

Mill

Powder-coated

Material

Aluminium

PVC-U

Shape

Square

Rectangle

Length

700 mm

800 mm

900 mm

1000 mm

1100 mm

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Width

750 mm

800 mm

900 mm

1000 mm

1100 mm

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Height

300 mm

Warranty description

Guidance for specification option:

Available on request

Uniclass

Pr_30_59_36_74 Roof hatchesPrimary

CAWS

L20/630 Hatches

Specification data - Roof hatches

Format

Single leaf roof access hatch, with 45 mm thermal break.

Door

-

Orientation

Horizontal.

Position

Top 85° opening.

Material

Aluminium/ unplasticized polyvinyl chloride (PVC-U).

Guidance for specification option:

1.7 mm aluminium, with 45 mm thermal break.

Operation

-

Mode

Gas spring assisted manual opening.

Control

Stay hold open gas spring.

Accessories

None.

Lockable push pad, internal.

Push pad internal, and external key openable.

Push pad key lock internal/ key lock, external.

Push pad open, internal.

Dimensions

750 x 900 mm.

750 x 2400 mm.

900 x 900 mm.

900 x 1200 mm.

1000 x 1000 mm.

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Finishes

Mill finish.

Guidance for specification option:

Standard.

Polyester powder coated.

Guidance for specification option:

Insert colour requirements.

Fire performance

To BS 476, Part 7: Class 1, TPa rated.

Sustainability data

Country of product manufacture

United Kingdom

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

Guidance for specification option:

Meets BRE EN 15804:2012+A1:2012

Recyclability

95%