Spray Polyurethane Foam (SPF) Insulation and How to Use it More Safely
Use this information to help ensure the safety of those who apply spray polyurethane foam (SPF) and of the occupants of buildings where SPF is being installed.
SPF is a highly-effective and widely-used insulation and air sealant. However, exposures to SPF's key ingredient, isocyanates and other SPF chemicals in vapors, aerosols, and dust created during and after installation, can cause:
- Lung damage
- Other respiratory and breathing problems
- Skin and eye irritation.
Chemicals and processes that produce SPF-why they matter
Types of spray polyurethane foam products
- Exposures to SPF chemicals can cause asthma, sensitization, lung damage, other respiratory and breathing problems, and skin and eye irritation.
Safer work practices for SPF
Contractor-client communications and contractor safe work practices checklists with self-evaluation tool
- Read about EPA's contractor checklist to help SFP processional contractors protect themselves, workers, and others (también en Español).
- Get the one-pager contractor-to-client communications checklist to help clients understand what to expect when the contractor installs high-pressure, two-component SPF insulation (también en Español).
- Get a self-evaluation tool for contractors meant to complement the on-site checklists.
Ventilation guidance for SPF application
- Following EPA's ventilation principles and strategies can help protect workers and building occupants.
Vacate and safe re-entry time for SPF application
Hazard Communication Standard and safety data sheets (SDSs)
Related EPA activities
Related federal and state activities
Related international activities
- Learn more about international SPF activities from the European Union, the Organization for Economic Cooperation and Development, and Canada.
Related certification and training
- Become certified to install SPF or take a safety training.
For more information on the distinctions between the various spray polyurethane foam (SPF) products and guidelines that should be followed during application whether you’re a:
The following links exit the site Exit
- Weatherization professional