Installation Readiness Checklist

How to Prepare for Your Spray Foam Day

Review this checklist before discussing final safety steps with the contractor performing the work.

Your Day-of Installation Checklist

Plan Your Re-Entry Window

During application and curing of polyurethane components, off-gassing can occur. Occupants, children, and pets should follow the contractor's product-specific re-entry instructions, ventilation plan, and safety data sheets.

Site Guidance: Important for children, pregnant occupants, pets, and people with respiratory sensitivity.

Clear Direct Paths and Access Lines

Spray foam crews often pull heavy high-pressure heated hoses from box rigs or trailers. Clear entryways, hallways, attic hatch drop-downs, crawlspace access, and garage boundaries of valuables. Ask the contractor how much lane width their rig and hoses require.

Site Guidance: Ensure attic hatches are unlocked and storage bins are moved to primary rooms.

Confirm Site Power Conditions

Many mobile spray rigs use self-contained generators to power heat lines and proportioners, but site requirements vary. Confirm power, water, lighting, parking, and access needs with the contractor before spray day.

Site Guidance: Do not assume special hookups are or are not needed until the crew confirms the equipment plan.

Manage HVAC and Active Combustion

Central furnace units, ventilation fans, fresh air intakes, gas water heater pilot lamps, and wood stoves may need to be shut off during spraying so overspray particulates are not pulled into remote duct lines.

Site Guidance: Ask the contractor who is responsible for shutting down pilot valves, breakers, HVAC, and ventilation equipment.

Safety and Job Readiness

Ventilation & Re-Entry PlanningRe-entry timing depends on the product, ventilation plan, site conditions, and installer guidance. Ask for written safety instructions before work begins.
Ignition Barrier CoatingsIn exposed Arizona attic floor plans, contractors may pair polyurethane depth with listed intumescent barrier products where local code and assembly requirements call for them.
Qualified ApplicatorsAsk the contractor who will perform the work for current product training, safety data sheets, insurance, written work details, and any applicable license details.

Have a Complex Attic or Roof Setup?

If your project has loose blown-in insulation, active roof leaks, exposed rafters, low access, or unusual ventilation, get contractor review before choosing a system.

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