Ideal for custom curtainwall applications, Johns Manville Insul-SHIELD® flexible, semi-rigid or rigid fiberglass insulating boards offer excellent fire and sound performance.

Johns Manville Insul-SHIELD® is a series of flexible, semi-rigid or rigid thermal and acoustical fiberglass insulating boards for custom curtainwall applications. Insul-SHIELD is fire-resistant and noncombustible, available faced and unfaced, and designed to be used in new and retrofit construction, metal panel buildings and in general construction.

FGB_Insul-SHIELD_FSK_UF_PSK_WhiteBkgd_HR 190x122

Acoustically Efficient: Reduces transmission of sound through roofs, ceilings, floors and walls.
Fire-Resistant: Flame Spread of 25 or less and Smoke Developed of 50 or less. 
Noncombustible: Unfaced I/S 150, I/S 300 and I/S 600 are non combustible.
Moisture-Resistant: Vapor-retarder facings resist water vapor transmission.
Noncorrosive: Prevents acceleration of corrosion to pipes, wiring and metal studs.
Durable: Will not rot, mildew or otherwise deteriorate, preventing slumping and uninsulated voids.
Easy to Handle: Lightweight; maintains its physical integrity during handling.

  ASTM Standards   ASTM C612   Type IA or Type IB (IS150, IS300, IS600)
  Flame Spread   ASTM E84   ≤ 25
  Smoke Development   ASTM E84   ≤ 50
  Max Use Temp   ASTM C411   350ºF
  Water Vapor Sorption   ASTM C1104   5% or less by weight
  Odor Emission   ASTM C1304   Pass
  Corrosiveness   ASTM C665   Pass
  Fungi Resistance   ASTM C1388   Pass
  Combustion Characteristics   ASTM E136   IS150, IS300, IS600: Pass;  Black IS300, IS600: Pass
  10% Linear Shrinkage   ASTM C356   None

Installating in Your Attic Video

Installing Wall Insulation Video

Insulating Your Crawl Space Video

Installating in Your Attic Video

Insulating Around Objects Video

Insulating Floors or Ceilings Video

JM Fiberglass Video

Available Documents