Fi-Foil Company, Inc. -AA2 Vapor Shield™ Reflective Insulation for Masonry Walls


● Two (2) Layer Reflective Insulation
● Outer Layer of Natural Kraft Paper
● Inner Layer of Premium Grade Aluminum Foil
● Fi-Foil Expander Technology Separates Paper from Foil

Category: attic insulation | fire-resistant vapor barriers | laminated vapor barriers...

MasterFormat: Thermal Protection | Blanket Insulation | Reflective Insulation...

Fi-Foil Company, Inc.
P.O. Box 800
Auburndale, FL 33823
Tel: (800) 448-3401

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AA2 Vapor Shield™ Reflective Insulation for Masonry Walls


● Two (2) Layer Reflective Insulation
● Outer Layer of Natural Kraft Paper
● Inner Layer of Premium Grade Aluminum Foil
● Fi-Foil Expander Technology Separates Paper from Foil
● Layers Create Two (2) Reflective Air Spaces
● Low-e Surfaces to Reduce Radiant Heat Transfer
● Quick Installation with Staple or Tape Tab
● Use with Wood Furring or Metal Framing
● 16" or 24" widths
● Perforated or Solid
● 500 sf Rolls
● Third-Party Verified Code Compliance, IAPMO ER 291
● Easily Combine with Other Mass Insulation as part of a Wall System
● Add up to R5.2 with just 1-1/2" Enclosed Air Space
● Verified Recycled Content >20%
● Meets ASTM C 1224, Reflective Insulation
● Meets International Building Codes (IBC)
● Meets International Residential Codes (IRC)
● Meets International Energy Conservation Codes (IECC)
● Meets Florida Building Codes (FBC)
● Meets Florida Residential Codes (FRC)
● Meets Florida Energy Conservation Codes (FECC)
● Supports Sustainable Design Goals
● National Network of Insulation Distributors
● National Network of Insulation Contractors


Add R4.1 - R5.2
● Lightweight 500 sqft Rolls
● Easy to Handle, Installs Faster
● Save Labor
● Save Warehouse Space
● Save on Material & Shipping
● High Performance and Compact
● Provides for More Living Area Square-Footage for Increased Marketability
● Lowest Cost per R value of All Masonry Wall Insulation
● Low-e Reflective Surfaces Improve Performance of Enclosed Air Space
● Lowers HERS and Other Energy Rating Indexes (ERI)
● More Comfortable Buildings
● Better Energy Efficiency
● 10-Year Warranty

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An insulation solution used on furred-out masonry walls, AA2 is remarkably easy to install and effective in improving building performance and comfort. Fi-Foil reflective insulation is one of the fastest growing technologies in the world. It’s designed to get you R-value for less, saving labor and material. With third-party verified code compliance plus an industry leading 10-year transferrable warranty, AA2 is a smart choice to insulate all your masonry buildings.

Compliance And Approvals

• Meets or exceeds ASTM C1224, the Standard Specification of Reflective Insulation.
• Meets International Building, Residential and Energy Codes.
• Meets Florida Building, Residential and Energy Conversation Codes.
• IAPMO Evaluation Report number 0291

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Furring/Stud Spacing16" O.C24" O.C
Width Expanded17.5"25.5"
Lineal Footage375'250'
Coverage500 sq. ft.500 sq. ft.
Weight21 lbs19 lbs
Test MethodDescriptionResults
ASTM E96Water Vapor Permeance8.67 Perforated / 0.802 Non-Perforated
ASTM E84Flammability Flame Spread Rating45 Perforated / 45 Non-Perforated
Smoke Developed Rating10 Perforated / 10 Non-Perforated
National Fire Protection Association RatingClass B (Perforated / Class B (Non-Perforated)
ASTM D3310CorrosivityN/A (Perforated) / None (Non-Perforated)
ASTM C-1244/Section 9 - Adhesive PerformanceBleedingN/A (Perforated) / None (Non-Perforated)
DelaminationNone (Perforated) / None (Non-Perforated)
PliabilityNo signs of cracking or delamination (Perforated / Non-Perforated)
ASTM C1338Mold & MildewN/A (Perforated) / Pass (Non-Perforated)
ASTM C1371Foil Emittance0.034 (Perforated) / 0.034 (Non-Perforated)