closed cell foam



High Performance, Versatility, and Sustainability

Demilec's eco-friendly Heatlok line of products incorporate recycled plastics and renewable oils to create high performing, closed cell, spray foam insulations.

Heatlok can be used in commercial and residential construction, on the interior and exterior, to create a specially engineered building envelope providing an air barrier, vapor barrier, insulation, and drain plane in one application.

Heatlok is designed to exceed future sustainability goals by giving building professionals an opportunity to gain up to 10 LEED points, while also providing a low flame spread (per ASTM E-84).

Heatlok XT High Yield

  • Superior Yield
  • Up To 10 LEED Points
  • 22% Recycled & Renewable Content
  • 2” Lift Per Pass

Heatlok XT High Lift

  • Spray 4” In One Pass
  • Low Exothermic Reaction
  • 22% Recycled & Renewable Content


Environmentally-Friendly Technology Providing Energy-Efficient Solutions

Heatlok Soy 200 Plus, is our high-performing, versatile spray foam insulation for commercial and residential construction. Our unique formula incorporates recycled plastic bottles and renewable oils to create our high-performing, closed-cell spray foam insulation. Heatlok Soy 200 Plus has a high R-value of 7.4 at 1 inch, and a density of two pounds. This polyurethane insulation combines multiple control layers into a single application, saving both time and money in construction costs. With our innovative technology, Heatlok Soy 200 Plus is developed with 14 % renewable and recycled content, and is the ideal choice for commercial, residential, and multi-family construction.

In a single application, Heatlok Soy 200 Plus can create a specialized engineered building envelope, which provides better thermal resistance, excellent air barrier, and a recognized vapor retarder. Demilec continues to strive toward innovative, scientific advancements in high-efficiency spray foam insulation solutions, intumescent and elastomeric coatings, high-performance quality products, and superior service.

With Heatlok Soy 200 Plus, five benefits can be achieved in a single application.

  • Air barrier
  • Insulation
  • Water-resistive barrier
  • Vapor barrier
  • Drain plane

Give us a call at 434-239-8590 or request a proposal to discuss all of your insulating needs, new construction and existing alike.