What type of insulation is often used for ceilings?

Blown-in cellulose or fiberglass batts are commonly used for ceiling insulation due to their effectiveness in filling gaps and providing thermal resistance. This type of insulation can easily adapt to the various shapes and spaces within a ceiling structure, particularly in attics where there may be obstructions such as vents and plumbing. Blown-in insulation is also advantageous because it can be applied in layers to achieve the desired R-value, which is a measure of insulation's ability to resist heat flow.

When considering ceiling insulation, maintaining a consistent thermal barrier is essential for energy efficiency and comfort. Blown-in cellulose and fiberglass batts provide excellent coverage and can significantly reduce the risk of air leaks, which is critical for maintaining optimal indoor temperatures. They also contribute to soundproofing, making them suitable for quieter living spaces.

Other types of insulation, such as foam boards, sprayed-on insulation, and insulated panels, may be utilized in specific applications but are not as commonly employed for ceilings as blown-in cellulose or fiberglass batts due to their installation requirements and effectiveness in this particular context.