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Summary of April 15,2000 Energy Code Requirements for Detached 1 &2 Family Residential Buildings <br /> Code re uirement O tion A-Cha ter 7670 Cat o� 1 aa amended b Lnws of MN 2000,Ch.40'1 O tion B-M1linneaota Rulea Che ter 7672 <br /> erfortnance of Fundamentals. No maximum U-value. labeled. Maximum evera e U-value for windaws is 037. <br /> 6. Va or relarder <br /> General Vapor retarder must be installed on the wa�m side of all walls end ceilings. Required Added requirements(or vapor retarder on all rim joists and earth floors of <br /> for rim'oists susa tible to condensetion from moisture diltusian. unvented crawl s aces. <br /> 7. Inlerior air barrier <br /> General Interior air bamer must be installed on exterior walls and ceilings,including rim ConNnuou�interior air barrier required. Interior air bartier more <br /> 'oists,electrical boxes,&fen housin s. s ecif call identi�ed. Definition of"seal"added. <br /> Fire blocks Required to be air sealed. Specific fire block IoceNons are listed,such as where interior freming <br /> meets an insulated ceilin or exterior well. Seelin re uired. <br /> At elechical& All penetrations required to be sealed to prevent air leakage. Same <br /> telecommunication <br /> enetretions <br /> Plumbing&heating Required to be sealed to prevent air leakage. Same. <br /> enetrations <br /> Air bertier behind Air barrier required for exterior walls. Same,plus must be covared to protect against physical abuse. <br /> tubs&showers <br /> 8. Nind wesh berrier <br /> Wind wash barrier Not addrcssed. HOUSE WRAP IS NOT REQUIRED. Rigid or tlexible marerials permined. Flexible wind wash bamer must <br /> materials meet ASTM E1677. HOUSE WRAP IS NOT RE UIRED. <br /> Attic ed e Re uired end must be of ri id material. A ri id wind wesh berrier is re uired to the bottom of t6e to huss chord. <br /> Overhan s A wind wnsh bertier must be installed at cantilevered floors and ba windows. Same,with edded re uirement that the wind wash barrier be sealed. <br /> Rim'oist Not addressed. Sealed wind wesh bartier re uired. <br /> Sheathing joints& Joints not over solid blocking must be sealed. Joints not over solid blocking&penetrations must be sealed. <br /> enetretions <br /> Garage wall Not addressed. Sealed wind wash barrier required/firewall sealed at edges,joints& <br /> netrations. <br /> 9. Thermel ineulation lacement su ort and identification <br /> General Not addressed. Insulation must be in substential contact with interior sudace. <br /> Support on Not eddressed. Insulation in iloors and wells must be supported by sheathing or other <br /> unconditioned side makrial on the unconditioned side to tesist movement&wind wash. <br /> Attic insulation Attic card required. Requirement for either ettic insulation thickness merkers or tegs Seme,plus notificetion posted near the building inspection card indicating <br /> Gom bags installed to verify insuletion quantity. the instelled attic R-value end date of installation. Bazrier required to <br /> revent loose fill from enterin eave. <br /> Page 1 S of 34-Source of summary: Minnesote Department of Commerce Energy Informetion Center 631-296-5175 or 800•657•3710,�}}vH-;4�mmrrce stnte.nin,u.5. 4/00 <br />