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Retrofit Conservation Roof Hatch

Verified by manufacturer 2 months ago

Surespan

Thermally broken retrofit roof hatch designed to sit on existing upstand.

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+44 (0)1922 711185 Website

Application

Suitable for installation on landmark heritage buildings, the hatch is designed to provide a minimal sightline while still offering easy access.

Description

Thermally broken, low-profile roof hatch, manufactured in aluminum. Designed to be operated by one person, the gas spring-assisted opening lid is supported by heavy-duty stainless steel hinges and fixings with a safety hold-open stay.

General information

Finish

Powder-coated

Material

Aluminium

Length

Bespoke

Width

Bespoke

Height

Bespoke

Uniclass

Pr_30_59_36_74 Roof hatchesPrimary

CAWS

L20/630 Hatches

Specification data - Roof hatches

Insulation

50 mm-thick premium insulation.

Guidance for specification option:

0.37 W/m²K.

50 mm-thick standard insulation.

Guidance for specification option:

0.43 W/m²K.

50 mm-thick superior insulation.

Guidance for specification option:

0.20 W/m²K.

Locking

None.

L01 Cablock.

Guidance for specification option:

Standard.

L02 Cablock with hasp and staple.

L04 Cablock with external padlocking handle.

Cover

The thermally broken lid incorporates a sandwich of 50 mm-thick CFC- and HCFC-free insulation. The hatch also incorporates a safety hold-open stay.

Upstand

The hatch sits on a slim aluminum frame which sits over a builder's upstand. The unit has an overall height of 110 mm when closed.

Operation

Complete with gas spring-assisted opening to ensure the minimum amount of effort to open the double-skinned aluminum lid. The lid has the provision to lock in the open position with a safety hold-open stay to prevent accidental closure.