Roofbox K Bespoke

Application

Can be used where an upstand is required around a roof opening, including rooflights, lantern lights and roof hatches, and corresponding bespoke Roofbox M roof cabinets.

Description

Internally insulated kerb upstand to suit bespoke roof opening, compatible with bespoke Roofbox M roof cabinets.

Features and benefits:

  • Modular kerb upstand system, manufactured off-site for fast installation.
  • Enables upstand installation as soon as the roof opening is formed, assisting the early weathering of openings.
  • Internally insulated system means that upstand thickness is reduced; beneficial when space is at a premium.
  • Pre-insulated aluminium construction and thermal break element provide increased thermal efficiency.
  • No requirement for on-site formwork and other labour involved in producing site-made kerb upstands, offering potential savings compared to over cast concrete kerbs.
  • Available in heights up to 600 mm to suit various roof build-up thicknesses.

Applications:

Can be used where an upstand is required around a roof opening, including rooflights, lantern lights and roof hatches, and corresponding bespoke Roofbox M roof cabinets.

General information

Material

2.0 mm-thick, 5251 grade aluminium

Uniclass 2015

Pr_30_59_98_03 Aluminium frame roof window unitsPrimary

Specification data - Aluminium frame roof window units

Product Reference

Roofbox K Bespoke

Kerb upstand

-

Type

KB-200

200 mm-high insulated kerb upstand.

KB-375

375 mm-high insulated kerb upstand.

KB-450

450 mm-high insulated kerb upstand.

KB-600

600 mm-high insulated kerb upstand.

Standard product features

Thickness:

115 mm.

Material:

2.0 mm-thick, 5251 grade aluminium.

Insulation:

  • Thickness: 100 mm.
  • Material: Foil-faced polyisocyanurate (PIR) insulation with thermal conductivity (K-value) of 0.022 W/m·K.
  • Fire performance: Class 1 (to BS 476, Part 7), Euroclass F (to BS EN 13501-1).

Thermal break:

5 x 25 mm high-density polyethylene (HDPE) strip.

U-value:

0.22 W/m²K.

Product Options

Kerb upstand:

- Opening size (w x l):

Bespoke: Can be configured to match existing roof openings that are not covered by the standard range of kerbs. Can also be manufactured in any height up to 600 mm. Working drawings can be prepared from dimensions provided, or a site survey where appropriate.

- Type:

Structural capability (maximum load):

  • KB-200: 5.0 kN/m.
  • KB-375: 1.7 kN/m.
  • KB-450: 1.3 kN/m.
  • KB-600: 1.1 kN/m.

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