R Factor Attic Florida

Framed wall insulation must meet or exceed r 13.

R factor attic florida.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Insulation levels are measured by r value. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. Maximum 20 of conditioned floor area.

Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. R value is how well insulation can resist heat flow. Recommended home insulation r values. Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.

Climate zone 1 consists of the following south florida counties. Loose fill insulation usually made of fiberglass rock wool or cellulose comes in shreds granules or nodules. The higher the r value the better the thermal performance of the insulation. The florida building code identifies two distinct climate zones.

Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value. Must be inside conditioned space tested to q n 0 03 by a class 1 bers. 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.

The r value your home s attic needs depends on where you live. Typically current best home building practices indicate an r 30 to r 38 for attic insulation. Insulation level are specified by r value. Raised r 13 sog r 0 windows.

Energystar recommends an r value of r 38 for most homes. R value is a measure of insulation s ability to resist heat traveling through it. Insulation requirements in florida residential requirements for insulation are divided by the location in the home. If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.

2x6 walls can have r 19 or r 21 products. That translates to about 12 inches of insulation. The higher the r value the better it insulates. 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.

R values given in table 402 1 1 frame walls r 13 block walls interior insulation r 7 8 exterior insulation r 6 ceilings.