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Securock Brand Glass Mat Roof Board

USG Securock® Brand Glass-Mat Roof Board is a high-performance roof board for use in low-slope commercial roofing systems. It enhances the durability of the entire roofing system when used as cover board in single-ply mechanically attached systems. Its specially treated core and high performance glass-mat facer provide protection against fire, mold and moisture.

As low as SAR1.00
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SKU
secrk-gmrb-main
  • Fire Resistant

  • Moisture Resistant

  • Mold Resistant

  • Water Resistant

Features

  • High-performance glass-mat roof board for use in low-slope commercial roofing systems
  • Ideal for use as cover board in single-ply mechanically attached systems
  • Moisture- and mold-resistant core and facer
  • Provides protection to roof system from hail and foot traffic
  • Fire-resistant for use as fire barrier and thermal barrier
  • Unmatched mat-to-core tensile bond strength makes facer less likely to delaminate when cutting
  • High-quality tight mat makes for easier handling and cutting
  • Technical Data:
    • Thickness: 7.4 mm, 12.7 mm, 15.9 mm
    • Width: 7.4 mm: 1220 mm; 12.7 mm: 1220 mm; 15.9 mm: 1220 mm
    • Length: 7.4 mm: 2440 mm; 12.7 mm: 2440 mm; 15.9 mm: 2440 mm
    • Weight, nominal kg/m2: 7.4 mm: 5.6; 12.7 mm: 9.8; 15.9 mm: 13.2
    • Flexural strength, parallel, lbs. min. per ASTM C473: 7.4 mm: 40; 12.7 mm: 80; 15.9 mm: 100
    • Compressive strength, psi nominal: 7.4 mm: 700-1000; 12.7 mm: 700-1000; 15.9 mm: 700-1000
    • Flute spannability per ASTM E661: 7.4 mm: 100 mm; 12.7 mm: 125 mm; 15.9 mm: 200 mm
    • Permeance, perms per ASTM E96: 7.4 mm: 18; 12.7 mm: 18; 15.9 mm: 16
    • R Value per ASTM C518: 7.4 mm: 0.36; 12.7 mm: 0.53; 15.9 mm: 0.54
    • Coefficient of thermal expansion, inches/ inch • °F, per ASTM E831: 7.4 mm: 8.5x10-6; 12.7 mm: 8.5x10-6; 15.9 mm: 8.5x10-6
    • Linear variation with change in moisture, inches/inch • %RH, per ASTM D1037: 7.4 mm: 6.3x10-6; 12.7 mm: 6.3x10-6; 15.9 mm: 6.3x10-6
    • Water absorption, % max, per ASTM C473: 7.4 mm: 10; 12.7 mm: 10; 15.9 mm: 10
    • Mold resistance per ASTM D3273*: 7.4 mm: 10; 12.7 mm: 10; 15.9 mm: 10
Item Size Color Edges Cac Nrc Thickness
221851-74 1220x2440mm
221851-127 1220x2440mm
221851-159 1220x2440mm

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