Because SPF is created in your building rather than a factory, it requires a detailed installation process using a variety of materials and equipment operated by a knowledgeable and experienced professional contractor. For insulation, once the SPF is properly installed, cured and inert, occupants or adjacent trades are able to return following a period of time, typically twenty four hours, having allowed the SPF professionals to complete the installation and ventilate the area. For roofing, the building typically does not have to be vacated but the HVAC system should be shut down, air-intakes, skylights, and other protrusions must be covered and sealed. Your professional SPF contractor should be able to provide specific guidance on these matters.

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Original Article Source Credits:   Spray Polyurethane Foam Alliance , https://www.sprayfoam.org/

Article Written By:  NA

Original Article Posted on:  NA

Link to Original Article:  https://www.sprayfoam.org/why_spf_forpros