Florida Attic Insulation Requirements

R 18 r 22 and r 28 exterior wall systems can be achieved by either cavity insulation or cavity insulation with.
Florida attic insulation requirements. A minimum of 1 inch 25mm of air space shall be provided between the insulation and the roof sheathing. Maximum 20 of conditioned floor area. Batts and rolls. Decreased energy demand through increased efficiency.
Performance compliance walls ceilings floors. Energy star s map of recommended home insulation shows that the majority of florida is within zone 2. Insulate crawl space walls only if the crawl space is dry all year the floor above is not insulated and all. Made from foil covered paper plastic or cardboard a reflective system is a good choice for unfinished.
Meet minimum r values given in table 402 1 1 frame walls r 13 block walls interior insulation r 7 8 exterior insulation r 6 ceilings. Durable and long lasting improvement. Decreased living costs and increased occupant comfort. Prescriptive compliance form 405.
This zone has a recommended r value of 30 to 60 for an uninsulated attic r25 to r38 for an attic with existing insulation and r13 to r19 for the floor. Raised r 13 sog r 0 windows. No slab edge insulation is recommended.