AL Insulation Practice Questions - Alabama Insulation Contractor Examination Exam

Weatherization of existing homes often includes dense-pack wall insulation. Access is commonly gained by:

Drilling small holes in siding or plaster, filling cavities, then plugging and repairing access points Demolishing the entire roof for every wall cavity Filling walls with water under pressure Removing all window glass permanently

Correct Answer:

Drilling small holes in siding or plaster, filling cavities, then plugging and repairing access points

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