Flat Roof Insulation Florida

This is the baseline ceiling.

Flat roof insulation florida.

For block walls interior insulation must meet or exceed r 7 8 and exterior insulation must be r 6. Insulation requirements in florida residential requirements for insulation are divided by the location in the home. With flat roof insulation a vapor barrier should sit between the joists and ceiling panels and the insulation on top. If building a new home you may consider installing insulation on the underside of the roof decking and sealing the attic space creating an unvented attic.

The most common type of flat roof material in the u s. Today we ll go over insulation for your attic and why it s essential to your florida home. Although florida s energy code has been in effect statewide since 1979 it is now based on the. Roof is 5 000 to 11 500 with most homeowners paying around 7 500 for the project.

Insulation in your walls floors and ceilings helps to keep your home cool in the summer and warm in the winter. State only fl florida 2014 florida building code energy conservation 1 r 20. State applicable energy ashrae zone minimum r value state local ms mississippi ashrae 90 1 2010 2 r 20 3 r 20 state. It is top quality and the most cost effective product for your flat roof.

While expensive the best insulation is polyiso rigid foam. For a 1 inch board equivalent of 6 r value. The average range for a 1 500 sq ft. We recommend having at least 20 r value worth of material for optimal energy efficiency.

You can expect to pay about 55 100 sq ft. Is polyvinyl chloride pvc single ply membrane which costs between 350 750 a square 100 sq ft on average. Framed wall insulation must meet or exceed r 13. A flat ceiling will have the same area as the floor footprint.

Sealing bypasses bypasses are anywhere that there is a break in the insulation. Interior insulation r 7 8. There are different insulation requirements and recommendations for different parts of your home. Minimum insulation r value requirements non residential above roof deck.

This approach is permitted in the florida building code and requires certain conditions are met regarding insulation air permeability and the attic s air barrier. Flat roof insulation is unfaced polustyrene and is suitable for use with loosely laid single ply membranes.