ENVELO-SEAL™ 2.7 CLI is a two-component closed cell, rigid, polyurethane foam insulation system, designed for spray applications. ENVELO-SEAL™ 2.7 CLI was developed using an EPA approved Zero ODP blowing agent. This product provides superior energy efficiency and air infiltration control. This product is an approved roofing material.

enveloseal-roof-1ENVELO-SEAL™ 2.7 CLI foam-forming system is available in a Class I formulation, as set forth under Underwriters Laboratories UL 723 (ASTM E84).


ENVELO-SEAL™ 2.7 CL1 Flyer

ENVELO-SEAL™ 2.7 CL1 Technical Data Sheet



ENVELO-SEAL™ 2.7 CLI Spray Foam Insulation Benefits:

Durable, seamless, roofing system reduces the roof’s life cycle costs by providing a low maintenance solution. No seams, crevices, flashings, or fasteners to repair/maintain.

eveloseal-roof-2Superior thermal and moisture management. Seals and insulates the roof deck from temperature extremes. Increases energy efficiency to help reduce heating and cooling costs.

Contributes to sustainable, green building practices and USGBC – LEED points. Improves structural integrity.

Rapid order fulfillment and reduced shipping costs from regional facilities: Chicago IL (new location), Rowlett TX, Lakewood WA and Anchorage AK.


Recommended Uses:

  • Roofing Systems
  • Commercial Construction
  • Industrial Construction