NBS Source
AA451PT Aluminium Thermally Broken Framing System

Application

Suitable for use in education, refurbishment and new build markets.

Description

The thermally efficient 451PT Framing System was designed in close collaboration with Scape. The system meets the needs of the education, refurbishment and new build markets. The 451PT is also suitable as a ground floor alternative to curtain wall use on commercial projects in the public sector, and is ideal for large display windows in the retail sector. The system provides slimline, dual-colour and multi-glazed framing modules of varying widths and heights that feature fixed lights, opening vents and insulated panels.


Features and benefits:

  • Meets the thermal requirements of the current Building Regulations (E&W).
  • Narrow 50 mm sightlines ensure visually pleasing aesthetics.
  • Can be used for large window displays: an excellent tried and tested solution for retail applications.
  • Flush-glazed, therefore easy to apply.
  • Concealed drainage therefore moisture infiltration directed to the outside of the building.
  • Suites with the AA®540 Series Windows, AA®3610 Vertical Sliding Window and all door systems.

General information

Color

Insert requirements.

-

Finish

Anodized.

Permacover anodized to BS 3987.

Powder-coated.

Permacover polyester powder-coated to BS 6495.

Material

Aluminium

Size

Insert requirements.

-

Uniclass

Ss_25_10_20_90 Unitized curtain walling systemsPrimary

CAWS

H11/110 Curtain walling

Specification data - Unitized curtain walling systems Enhanced data

Framing

-

Framing members

Aluminium curtain wall frame sections.

Cladding units

-

Glass units

Glazing 24–28 mm in thickness.

Execution

Curtain wall assembly and erection.

Glazing/ infill thickness

28 mm glass limitation.

Internal

Insert requirements.

External

Insert requirements.

Film thickness

40 micrometres.

60 micrometres.

80 micrometres.

Surface finish

Permacover anodized to BS 3987.

Permacover polyester powder-coated to BS 6495.

Construction

Shear block construction.

The system uses shear block construction where contoured shear blocks are screw fixed to the verticals, forming a spigot for horizontal members.

Air tightness

To BS EN 12207, Class 4 (600 Pa).

Watertightness

To BS EN 12208, Class 9a (600 Pa).

Wind resistance

To BS EN 12210, Class E2400 (2400 Pa).

Weather performance

To BS 6375-1.

Size

Insert requirements.

-

Finish

Anodized.

Permacover anodized to BS 3987.

Powder-coated.

Permacover polyester powder-coated to BS 6495.

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