BASF Closed-cell Spray Polyurethane Foam applied in cieling
Spray Foam United States

WALLTITE® Max – Production Focused, Performance Gains

A closed-cell spray polyurethane foam insulation that is optimized for efficiency.  Leverage the gains in both coverage and installation to maximize your project productivity.

Spray Foam United States
Products
WALLTITE Closed-cell
WALLTITE Max

Spray Foam United States

WALLTITE Max

Maximize thermal performance, yield and productivity

WALLTITE® Max is a lower-density, HFO-based closed-cell spray polyurethane foam insulation designed for residential and light commercial applications. It provides continuous insulation and air sealing while helping control moisture infiltration and improve building-envelope performance.

Key Benefits:

  • R-values up to R-7.4 per inch
  • Air-impermeable at 1 inch
  • Class II vapor retarder at 1.5 inches
  • 4” Maximum Lifts and back-to-back passes up to 3.5”
  • Low-GWP, HFO-based formulation
  • FEMA Class 5 flood-damage-resistant material
  • Helps add structural strength

Designed for Productive Installation

WALLTITE® Max supports maximized installation efficiency with up to 4 inches in a single pass. Back-to-back lifts can be installed without dwell time at up to 3.5 inches per lift, helping contractors reach higher R-values with fewer passes. Estimated theoretical yields are also maximized in high-lift applications, providing ultimate profitability for SPF contractors.

Common Applications

WALLTITE® Max can be used in:

  • Exterior walls
  • Unvented attics and rooflines
  • Floors over garages or unconditioned spaces
  • Rim joists and headers
  • Exterior foundations and below slab
Header image of Diagram of a cross section of a residential home showing where BASF Spray Polyurethane Foam can be applied

Field-Validated and Code Supported

Proven through years of successful installation in residential and light commercial construction, WALLTITE Max delivers reliable thermal performance, vapor resistance and exceptional air sealing in a single application.

WALLTITE Max has extensive field history while also being supported by comprehensive third-party testing and documentation, to provide simplified code compliance approvals and flexibility in designs.

Certifications include:

  • ASTM E84 Class A fire performance
  • UL 263 Fire Resistance Rated Assemblies
  • NFPA 285 Exterior Fire Compliant Assemblies
  • Intertek CCRR-0374
  • ICC Evaluation Services ESR-2642
  • Appendix X approvals with no ignition barrier in qualifying attics and crawlspaces
  • GREENGUARD Gold Certified
  • UL Solutions Environmental Claim Validations
    • Mold resistance
    • Bio-content
    • Low-VOC emissions

Discover How WALLTITE® Max Can Maximize Efficiency on Your Project

Your Partners in Performance

Have questions or need jobsite support? Our technical application specialists are here to help you get the most out of every set of WALLTITE® Max.

General Info: SPFinfo@basf.com
Technical Support: SPF.techsales@basf.com
Spray Foam Tech Support: 800-706-0712 (Ext. 2)

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