29th February 2024

Soffit Insulation

The soffit in general is referred to underside of the architectural element of the Building like Concrete park Soffit, Balcony & Other similar Area etc.

Soffit insulation plays a vital role preventing the heat leakage through the soffit, condensation control and provides fire safety to the structure exposed. Thermal & Fire safety aspects of Soffit insulation desire an insulation system which serves both the purpose and RockWool Insulation with its thermal, acoustic and Fire resilient properties is best suitable.

SRW Soffit Rockwool

SRW offers rigid Rockwool Boards for soffit Insulation complying to the requirement of ASTM C612 & EN 13162.

SRWF Rockwool Board Insulation are supplied in various types of facings like Aluminum foil, Fiber glass tissue or un-faced. Rockwool insulation Provides commercially viable fire safety to the concrete soffit of the car park and other similar applications.

Rockwool Benefits

  • Excellent Fire Safety
  • Excellent Thermal Performance
  • Acoustically Effective
  • Non-Combustible
  • Fire Resistant
  • Euroclass Fire Classification “A1”
  • “zero” Flame Spread Index
  • “zero” smoke Developed Index
  • No Toxic smoke or Gases
  • Chemically inert

Technical Parameters




Compliance Standard

Thermal Conductivity


0.033 -0.034

ASTM C 177 / ASTM C 518



70 - 128

ASTM C 303



50 - 200


Compressive Strength


5 - 30

ASTM C 165

Surface Burning Characteristics

•Flame Spread Index
•Smoke Developed Index



ASTM E 84 / UL 723

Moisture Absorption



ASTM C 1104

Water Absorption



BS EN 1609