R Factor Attic Florida

Insulation levels are measured by r value.

R factor attic florida.

Typically current best home building practices indicate an r 30 to r 38 for attic insulation. Insulation requirements in florida residential requirements for insulation are divided by the location in the home. R values given in table 402 1 1 frame walls r 13 block walls interior insulation r 7 8 exterior insulation r 6 ceilings. Insulation level are specified by r value.

The higher the r value the better the thermal performance of the insulation. Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation. 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. Loose fill insulation usually made of fiberglass rock wool or cellulose comes in shreds granules or nodules.

Energystar recommends an r value of r 38 for most homes. The higher the r value the better it insulates. Framed wall insulation must meet or exceed r 13. R value is a measure of insulation s ability to resist heat traveling through it.

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. That translates to about 12 inches of insulation. Maximum 20 of conditioned floor area. Energy star s map of recommended home insulation shows that the majority of florida is within zone 2.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Recommended home insulation r values. For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. 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.

They are available in widths suited to standard spacings of wall studs and attic or floor joists. 2x6 walls can have r 19 or r 21 products. R value is how well insulation can resist heat flow. 2x4 walls can hold r 13 or r 15 batts.

The r value your home s attic needs depends on where you live. 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. Raised r 13 sog r 0 windows. 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.

Must be inside conditioned space tested to q n 0 03 by a class 1 bers.