Walls and foundations

Legerlite SM

Legerlite SM

Legerlite SM expanded polystyrene is a type-1 insulation with a minimal thermal resistance of R-3.7 per inch of thickness. Legerlite SM conforms to National Building Code standards and can be used for interior or exterior walls and foundations.

Its low price, versatility and R value-price ratio make Legerlite SM an all-purpose insulation option.

 

PHYSICAL PROPERTIES IMPERIAL METRIC TEST LEGERLITE SM
Thermal resistance: r-value at 75ºF (24ºc) for 1 in (25 mm) thickness (hre.pi2 .°F) / BTU (m2 °C W) / W ASTM: C-518 C-177 3,7 min. (0,70 min.)
Compressive strength (min.) at 10% distortion lb/po2 ou psi (kPa) ASTM: D-1621 10,2 (70)
Bending strength (min.) lb/po2 ou psi (kPa) ASTM: C-203 25 (170)
Dimensional stability: % of linear change (max.) % % ASTM: D-2126 1,5
Coefficient of thermal expansion (max.) po/po/°F (mm/mm/°C) ASTM: D-696 3,5×10-

5(6×10-5c-1)

Water vapor permeability (max.) (ng/Pa.s.m2) ASTM: E-96 5,25 (300)
Water absorption (max.) % % ASTM: D-2842 6
Effective temperature range: › continuous › intermittent °F °C 167 (75) 180 (82,2)
Flame spread rating ASTM: (CAN/ULC S102,2 M) FR ‹ 115
Smoke developed ASTM: (CAN/ULC S102,2 M) ‹ 430
Capillarity Nulle

Montréal

  • 5901, chemin de service
    Transcanadienne N
    Pointe-Claire (Québec)
    Canada H9R 1B7
  • 514 694-2493
  • 514 694-2501

Toronto

  • 480 Tapscott Road, Unit 1B
    Scarborough (Ontario)
    Canada M1B 1W3
  • 416 335-0192
  • 416 335-0194