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MESA Aluminium Joists - Class A Fire Rated
Description

Aluminium Class A fire rated decking joists available in three profiles and with a mill or powder coated finish.

General information
Finish

Mill

Class A1 fire rating to BS EN 13501-1.

Powder coated black

Standard, Class A2 fire rating to BS EN 13501-1.

Material

Aluminium T6-6063

Uniclass 2015
Pr_20_76_51_07 Aluminium structural sectionsPrimary
CAWS

Q55/110 Deck

Specification data - Aluminium structural sections
Product Reference

MESA Aluminium Joists - Class A Fire Rated

Profile

20 x 50 mm

40 x 50 mm

80 x 50 mm

Finish

Mill

Class A1 fire rating to BS EN 13501-1.

Powder coated black

Standard, Class A2 fire rating to BS EN 13501-1.

Standard product features

Material:

Aluminium T6-6063.

Length:

3600 mm.

Technical characteristics:

  • Reaction to fire (to BS EN 13501-1): A2-s1, d0 (powder-coated).
  • Density: 2.69 g/cm³.
  • Young’s modulus: 68.3 GPa.
  • Tensile strength: 160 MPa.
  • Elongation at break: 18–33%.
  • Poisson’s ratio: 0.3.
  • Melting temperature: 615°C.
  • Thermal conductivity: 210 W/mK.
  • Linear thermal expansion coefficient: 2.34 x 10^-5 K.
  • Specific heat capacity: 900 J/kgK.
  • Volume resistivity: 30–35 nOhm m.

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