Florida Attic Insulation Requirements

Of loft insulation in areas where the u s.
Florida attic insulation requirements. Insulate crawl space walls only if the crawl space is dry all year the floor above is not insulated and all. Department of energy recommends 16 in. The air permeable insulation shall be installed directly under the air impermeable insulation. Made from foil covered paper plastic or cardboard a reflective system is a good choice for unfinished.
Interior insulation r 7 8 exterior insulation r 6 ceilings. Add insulation to attic. R 18 r 22 and r 28 exterior wall systems can be achieved by either cavity insulation or cavity insulation with. Raised r 13 sog r 0 windows.
A minimum of 1 inch 25mm of air space shall be provided between the insulation and the roof sheathing. This is the type of insulation that most people are familiar with. Alternatively sufficient rigid board or sheet insulation shall be installed directly above the structural roof sheathing to maintain the monthly average temperature of the underside of the structural roof sheathing above 45 f 7 c. Let us help you increase your attic insulation efficiency.
Decreased energy demand through increased efficiency. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Energy star s map of recommended home insulation shows that the majority of florida is within zone 2. Maximum 20 of conditioned floor area.
Decreased greenhouse gas ghg emissions. Durable and long lasting improvement. Decreased living costs and increased occupant comfort. It is recommended that many houses in florida have between r 30 and r 38 of loft insulation depending on the insulation material.
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. Recommended insulation levels for retrofitting existing wood framed buildings. Must be inside conditioned space tested to q n 0 03 by a class 1 bers rater or class a b or mechanical contractor hvac controls. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Existing 3 4 inches of insulation.