Open cell spray foam insulation


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Looking for a high yield, low density open-cell polyurethane foam? As an environmentally friendly open-cell foam insulation manufacturer, Natural Polymers offers industry-leading technology that results in an effortlessly clean-looking jobsite. We offer a few different options of open-cell spray foam insulation—see which one will be best for your projects. 

Open Cell Foam Options:
  • Natural- Therm 0.40 "Light"
  • Natural- Therm 0.50 PCF
  • Natural- Therm 0.50 IB PCF
  • Natural-Therm 1.0 PCF

Open-Cell Spray Foam Insulation Options

NATURAL THERM® 0.50 PCF
STANDARD OPEN-CELL

Natural-Therm® 0.50 PCF is a 100% water blown, two-component, semi-rigid spray polyurethane foam insulation with a nominal 0.50 PCF in place density. Natural-Therm® 0.5 PCF has been tested and complies with the International Code Council’s AC377 standard and certified by GreenGuard for its non-emissive low VOC technology. This open-cell foam insulation provides superior energy efficiency and air infiltration control as a high performance building envelope insulation system. Natural-Therm® 0.5 PCF offers a self-adhering, seamless low-density spray foam insulation that can be used in many areas of the building envelope, including, open wall cavities, crawlspaces, perimeter rim joists, cathedral ceilings and garage ceilings.

R-Value at 1” | R-3.7

NATURAL THERM® 0.50 IB PCF
APPENDIX X OPEN-CELL

Natural-Therm® 0.50 IB PCF is a 100% water blown, two-component, semi-rigid spray polyurethane foam insulation with a nominal 0.50 PCF in place density. Natural-Therm® 0.5 IB PCF meets the NFPA 286 Appendix X room corner test for use in attics and crawl spaces without ignition barrier coating. This product provides superior energy efficiency and air infiltration control as a high-performance building envelope insulation system. Natural-Therm® 0.50 IB PCF complies with the International Code Council's AC377 standard and certified by GreenGuard for its non-emissive low VOC technology.

NATURAL THERM® LIGHT

Natural-Therm™ Light is a high-performance polyurethane low-density open cell foam product that is used for insulating new walls, ceilings and floor components. The chemical formulation is specifically designed to be sprayed to achieve a high-yielding application. What does this mean to the contractor? More coverage per set of material. More cost saving on a job-to-job basis.

Key Feature of Open-Cell Polyurethane Foam

This higher-yielding low-density spray foam insulation is based on Natural Polymers' platform of no-mix, low-emission with a low-VOC signature.

  • Meets California air quality standard CA 01350
  • Listed as GreenGuard Gold for low emissions
  • Code-compliant to all the AC377 standards and currently listed with IAPMO
  • High tear-resistance, which leads to a much nicer looking jobsite

Applying Open-Cell Spray Foam Insulation

This foam can be a great addition to your arsenal of offered products. As with all foams, it comes down to proper processing. This open-cell polyurethane foam likes to be warm in the drum, preferably around 90 F. The density is decreasing from 0.5 to around 0.4 lb, meaning it will yield more but also react a little faster, so you may have to speed up to stay in front of it. In some cases, switching to a smaller mixing chamber can help. Spray Foam Techs prefer mixing the B side for the time it takes to warm up the hose in the morning, although it does not require it.  Overall, the Natural-Therm® Light No Mix is very user-friendly and easy on the equipment. This product also has a UL listed Bio Based content for customers who are desiring a more renewable raw material base. 

Certifications

UL Bio Based Certification

UL Mold Resistance Certification

UL GreenGuard Compliance

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