Advanced Fiber Technologies - No Need for Vapor Barriers

Cellulose Insulation - Vapor Barriers

The International Residential Code (IRC) and the 2004 Supplement to the

for vapor barriers for frame walls, floors and ceilings in Climate Zones 1 - 4.

(Crawl space floor vapor retarders are not exempted.)

AFT does not recommend the use of vapor barriers when used with cellulose

insulation except in high concentrated moisture areas, such as spas,

restaurants, pool buildings, etc.

Learn More About

Cellulose:

Air & Sound Control

________

Current discussion

on the use of

vapor barriers

Changing the Code

Research document

Vapor Barriers &