Super Insulated Roof

There are three methods for insulating the top side of the building envelope box.

Super insulated roof.

Details to ensure insulation continuity where walls meet roofs foundations and other walls. Super insulate the building envelope step 5. Icynene super insulated roof system. Updated on april 8 2016.

This is not just to match the overhang on the front. Thermo ply sheathing is not a new product. However there is one tight. Because my husband is a frugal man and conscious of heating cooling costs plus very interested in energy efficiency we are making a super insulated home.

This stuff needs to be invisible or it will not happen. In the summer heat entering through the roof and walls in particular account for one fourth of your cooling needs. Yes even in our mild east tennessee climate we wish to maximize our heating and cooling and minimize the losses. Notice the increase in overhang dimension on the gable ends.

Your plan violates the 2006 irc section r806 4 which requires the use of air impermeable insulation when the insulation is applied directly to the underside of the roof sheathing. Very high levels of insulation typically r 40 rsi 7 walls and r 60 rsi 10 6 roof corresponding to si u values of 0 15 and 0 1 w m k respectively. There are lots of ways to insulate a low slope roof and most of them are wrong. This video is unavailable.

Holladay says that one of the best ways to insulated any roof is with rigid foam on top of the roof sheathing. Icynene super insulated roof system. Highly insulated ceiling or roof. Frugal living at its best.

Heat losses through the wall roof and floor together amount to over 45 of all the heat a typical house loses. Why a super insulated cabin roof. Blow insulation onto a flat ceiling. It s been around for years.

Insulation is your primary defense against heat loss through the house envelope. In older buildings the usual method is to install fiberglass batts or cellulose on top of the leaky ceiling with a gap of a few inches or sometimes a few feet between the top of the insulation and the roof sheathing. Ample vertical space about 22 inches is ideal exists under most roof slopes to achieve r 60 insulation. In this energy smart details article fhb senior editor martin holladay describes the best way to approach building an unvented super insulated roof.

Find yourself an architect who gets it and helps make it invisible.