b'STEEP SLOPEWhether you use conventional fiberglass battthe attic if that space is not heated, but this should insulationorspray-onfoam,Irecommendnot be a significant expense. By not insulating the providing an air channel between the insulationroof and the side walls of the attic, you should and the roof sheathing. Air from the soffit vents willrealizesomesavings.Iftheatticspaceisto flow up along the sheathing and exit via a ridgeremain uninsulated, then I would suggest soffit vent or several roof low profile vents. I recommendand roof vents (if your attic space does not already a minimum of one and one-half inches of spacehave these) to provide cooling during the summer between the insulation and the sheathing. months and air flow year-round. This will extend A better option, in my opinion, is to use the spray- the life of the shingles and underlayment. And if on foam between the heated portion of the housea roof leak should occur, its location should be and the attic. This may require removal of existingreadily apparent thus not causing major structural insulation, but that can usually be done without adamage to your home or business. great deal of effort. The foam can then be appliedNorth Texas Roofing Contractors Associations board-certified to the attic side of the drywall or plaster ceilingsconstructionlawattorney,KarenEnsley,haswrittena below, not on wood sheathing and rafters. Bydisclaimer for roofing contactors on spray foam insulation. sealing around plumbing vent pipes and otherNTRCA and Paul Ramon have been gracious enough to holes in the attic floor, the foam will be an excellentshare this disclaimer which can be downloaded at www.mrca.air blocker. On top of the foam, a foot or more oforg under the Councils tab in the Steep Slope section of the conventional blown fiberglass insulation can bethe website.added to achieve at least an R-30 total insulation value. If floor depth is limited, then additional foam and less fiberglass may be an option.The ducts for the system should be insulated in www.mrca.orgMidwest Roofer 17'