Subtopic 4.1001 General Preparation

Ensure safety from fire and prevent air leakage

Insulation kept away from contact with live wiring

Combustible materials kept away from combustion sources

Attic ventilation meets code requirements and insulation is protected from wind washing

Proper material density achieved safely and cleanly

Backstop provided to prevent SPF SPF Spray polyurethane foam from entering soffit areas

Backstop or substrate provided to prevent SPF SPF Spray polyurethane foam from entering soffit areas while ensuring required attic ventilation is provided

Backstop or substrate provided to prevent spray polyurethane foam ( SPF SPF Spray polyurethane foam ) from entering soffit areas while ensuring required attic ventilation is provided