You can substantially reduce your heating and cooling bills insulating the attic floor since insulation keeps hot air inside your home in the winter and outside in the summer Its important to remember though that heat flows in any direction toward cooler sur face notes Joseph Kimpflen residential energy expert for Certain Teed Corporation so with todays high utilitiy pnces it also pays to insulate floors over areas like crawlspaces garages or basements This applies he says even if your hone is already well insulated in the sidewall and attic areas While crawling underneath your home to insulate crawl space may not strike you as the best job in the world it can still be readily accomplished by the doityourselfer Mr Kimp flen says Youll need serrated bread knife to cut in sulation as needed temporary lighting with waterproof wiring and connectors portable fan or blower to provide ven tilation tape measure heavy duty staple gun and staples and of course the insulation Also buy enough trmil thick polyethylene sheeting to cover the entire earthen area under the house and to extend up the sidewalls several inches as well as moistureproof duct tape When urchasing insulation know be ore hand the distance between the floor joists usually 15 inches so you can buy insulation of the proper width Youll also need to pur chase insulation with reverse flange on the outside to staple to the floor joists Or you can use batts of rigidfit kraftfaced DIAGRAM CRAWLSPACE WALLS is relatively easy to do On walls perpendicular to joists Diagram No insert piece of fiber glass insulation between the subfloor and the sill then attach longer batt of insulation directly to the sill 0r attach the long in sulation as shown in THE ENTERPRISE Diagram No In both cases make sure that the in sulation extends at least two feet into the crawlspace In stall 6mil thick polyethylene vapor barrier under the insulation over the entire floor area and two in ches up the wall securing it with moistureproof 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install wire mesh or chicken wire over the joists to hold batts in place If you elect to use this method begin by stapling the chicken wire across several joists starting at wall at one end and working out toward the centre Then slide fibre glass insulation batts in on top of the wire Be sure that the kraft paper vapor barrier attached to the insulation is installed facing up toward the floor of the living area When you come to the crawlspace wall bend the insulation atts up the wall until they butt firmly against the underside of the floor above The vapor barrier is designed to prevent moisture in the warm air inside the house from getting into the cooler air beneath the house If this hap pens the moisture will con dense because warm air can hold more moisture than cold air can The vapor barrier positioning is critical then because the moisture will con dense in the insulation itself if the barrier is misplaced This reduces the thermal efficiency of the insulation until it dries out again With the vapor barrier facing up toward the flooring overhead its unlikely that moisture will get through it Even if by some chance some does the ventilation in the crawlspace will quickly dissipate it Once the insulation is properly installed put down mil thick polyethylene sheeting on the floor of the crawlspace to prevent moisture getting into the crawlspace area from the ground below Overlap the seams of the sheeting by about inches and secure them with moistureproof tape Also ex tend the sheeting up the sidewalls of the crawlspace two to three inches and secure it withtape Finally make sure your crawlspace is properly ven tilated during the summer Asa rule of thumb when the ground is covered with vapor barrier you need at least square foot of vent openings for every 130 square feet of crawlspace area and there should also be Cross Carpeting Here are some points to keep in mind of you intend to buy new carpeting Rugs with high piles show crushing more than carpets with short closely packed piles Dark or dull colorsshow soiling less than bright colors like yellows and oranges ventilation In the winter you can close off the vents if you wish but its not necessary insulation if your home has open crawlspaces by nailing standard The Barrie Examiner Thursday March 24 1977 I9 insulation installation hints LIVING AREA SUBFLOOR SPACE VAPOR BARRIER AN ATTIC with fiber glass insulation is INSULATING homeowners to cut fuel bills all yearlong quick simple way for USE WIRING TO HOLD IN SULATION IN PLACE In sulate the floors under you home to save on energy costs and to increase your familys comfort Hold the 6inch thick batts of kraftfaced fiberglass insulation in place by lacing the bottom of the joists with heavy gauge galvaiiiled wire attached to nails in the joists Do the lacing first then slip the batts on top of the wiring do ing short sections at time INSULATE UNDER THE HOUSE T00 When install ing 6inch thick batts of fiber glass insulation under your floors be sure that wall areas between the joists and the subfloor are insulated too say energy experts at the Certain Teed Home Institute Just bend the insulation batts so that they extend up the wall to the floor above Make sure too that the vapor bar rier faces up toward the liv Ing area twood plywood insulation board or similar covering to the bottom of the floor joists Do not use polyethylene sheeting for this as moisture cannot get through it to the ven tilated area You may want to protect the interior grade sof Carpets Curpes Curpts Our Level loop Patterns reg sq yd Shugs $8s sq yd SALE $795 Sculpture ioop it $5s sq yd SALE $525 Olite indoor outdoor 935 sq yd Ceiling Tile 12 12 21 Stardust 25 38 28¢ Cloud White Stipple White Florentine 32 35 34 34 32 Fissured Intrigue HANGING WAll Brocade INDOOR ournoon D°musque Snow Dr0p Renaissance Cushion Flooring 12 Width Armstrong ImperIul Accotone Vinyl Our reg sq yd $339 yd SA Armstrong Sunduil The Floor That Shines Without Wax 45 Our reg sq yd 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