OPEN-CELL
WHY OPEN CELL?
Open-cell spray foam is a thermal insulation material that expands 120 times its initial volume, fills cavities of any shape, and adheres tenaciously to most building materials and framing members.
Lapolla spray foam products provide a continuous, protective air barrier that helps to minimize air leakage and intrusion, and provides exceptional performance in the reduction of heat transfer.
Our installers and contractors rave about Lapolla!
LAPOLLA OPEN-CELL PRODUCTS
FOAM-LOK 450
FOAM-LOK 450 is an open-cell spray foam insulation technology that is installed in attics, crawl spaces, and interior spaces with no ignition barrier required. It’s high yield, low density, low VOC properties make it a contractor’s first choice.
FOAM-LOK 500
FOAM-LOK 500 is ideal for a variety of building envelope applications including use in walls, floors, ceilings (including vaulted and cathedral style) and attics. The material works by forming a completely sealed air barrier in wall cavities and can be utilized to fill 2” x 6” stud wall construction in a single application.
FOAM-LOK 750
FOAM-LOK 750 is a high performance open cell spray foam insulation technology that is designed to achieve R-20 in wall and roof decks. This increased R-Value reduces the need for trimming, saving labor time and letting installers complete jobs more quickly and efficiently. FOAM-LOK 750 allows installers to have a more productive job site with improved spraying techniques and cohesion and to meet or exceed regional and national building code requirements.
| Properties | Open Cell SPF | Closed Cell SPF |
|---|---|---|
| Density (ASTM D-1622) | 0.4 – 0.6 pcf | 1.8 – 2.2 pcf |
| Blowing Agent | Water/CO2 only | Water/CO2 and 245fa |
| Aged R-Value (ASTM C-518) | 3.9/inch | 6.3/inch |
| Open Cells (ASTM D-2856) | >90% | |
| Closed Cells (ASTM D-6226) | ≥5 lb/in2 | ≥15 lb/in2 Structural2 |
| Air Permeance (ASTM E-2178, E-283) | < 0.2 L/s-m2
Air Barrier at 4½” Thickness | < 0.2 L/s-m2
Air Barrier at 2″ Thickness |
| Surface Burn Characteristic (ASTM E-84) | Class 1 | Class 1 |
| Water Vapor Permeance (ASTM E-96) | <1 perm at 2 inches Vapor Retarder | |
| Water Absorption (ASTM D-2841) | < 2% Resistant to Flood Damage4 |
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