You want your insulation to reach an r value of around 38 49 here in florida to be effective.
Best insulation for attic in florida.
The more important factor here is the r factor of your insulation which is a sort of industry term that gauges the effectiveness of insulation.
Most forms of insulation batt blown in etc are going to be fairly effective though blown n carries some unique advantages.
Most insulation you buy will have a sq ft number for easy reference.
The florida building code identifies two distinct climate zones.
Let s say you measured your attic and you realize your attic has about 9 inches r 30 of insulation and your attic is about 40 sq feet you d need at least 3 inches of extra insulation that covers 40 sq ft to get an r value of r 38.
Broward collier hendry lee miami dade monroe and palm beach and require a minimum r 30 attic insulation.
Is spray foam insulation worth it.
While there are many different types of insulation the best insulation for florida homes is spray foam insulation.
But if you ve done research into insulation types you may be wondering.
Studies have shown that greenfiber insulation can reduce your heating and air conditioning bill by up to 22.
Typically current best home building practices indicate an r 30 to r 38 for attic insulation.
Cost of spray foam insulation.
The installation is fast has good fire performance is effective and affordable the disadvantage is that the effectiveness of the insulation or r value degrades faster than any other type of insulation.