101.4 Does the 2009 IECC apply?
101.4.2 Historic Exemption
101.4.3 Applicable Property New Construction – Remodel – Finishout – Addition
101.4.4 A Change in Occupancy
101.4.5 A Change in space conditioning
303 Material Identification
303.1.1.1 Attic insulation depth marker every 300 sqft for blown in insulation
303.1.3 Fenestration product rating on every window with U – factor and SHGC
303.2 Insulation installation to manufacturer’s instructions and IBC
400 Residential buildings
401.3 Certificate posted on /in electrical panel with system R or U values of system components, SHGC and mechanical efficiencies
402.1.1 Prescriptive requirements for assembly components
Fenestration U – Factor ≤ 0.50
Skylight U – Factor ≤ 0.65
Solar Heat Gain Coefficient SHGC value ≤ 0.30
Ceiling R – value R – 30
Walls R – value R – 13
Floors R – value R – 19
Crawlspace / Basement R value R – 5 continuous R – 13 batt
402.2.3 Access hatches and Doors weather stripped and insulated to attic value
402.3 Fenestration exemptions
402.3.3 Glazed fenestration exemption – one side hinged door up to 15 sqft
402.3.4 Opaque door exemption – one side hinged door up to 24 sqft
402.3.6 Glass replacement only exemption
402.4.1 Building Thermal Envelope durably sealed to limit infiltration
Caulked, gasketed or weather stripped on all;
Wall top plate penetrations sealed on all walls
Seal bottom plate to foundation / vertical wall intersections on exterior walls
Seal around Windows & Doors & all Building envelope penetrations
Seal or gasket Doors / Windows / Fixtures / Junction boxes for outlets & switches
402.4.2 Air sealing and insulation inspection
See Table 402.4.2 for component list
402.4.2.1 Testing Option
Blower door test performed @ 50 pascals 7 ACH max OR
402.4.2.2 Visual inspection Option
Onsite inspections after insulation installed (Floors / Walls / Attic)
& before insulation covered by sheetrock (Walls)
402.4.3 Fireplaces
Gasketed doors & outdoor combustion air required
402.4.4 Fenestration air leakage
Windows, skylights & sliding glass doors < 0.3 cfm/sqft
Swinging doors < 0.50 cfm/sqft
402.4.5 Recessed Lights
IC rated & Air tight (<2 cfm @ 75 Pa)
403 Systems
403.1.1 Programmable thermostat – 1 per dwelling required
403.2.1 Duct Insulation
Unconditioned attic R – 8 supply & R – 6 return
403.2.2 Duct sealing to made substantially airtight by means of tapes, mastics, liquid sealants, gasketing or other approved closure systems
Duct tightness verification required (@ 25 Pa)
1. Post construction test ≤ 12 cfm / 100 sqft of conditioned area with all registers taped closed
2. Rough-in test ≤ 6 cfm / 100 sqft of conditioned area with all registers taped closed or 4 cfm / sqft if no air handler installed
403.2.3 Building cavities may not be used as supply ducts
403.3 Mechanical system piping requires R – 3 insulation if carrying fluids above 105° or below 55°
403.4 Circulating hot water piping requires R – 2 insulation on hot supply and return piping. Also requires automatic switch or readily accessible switch to control system
403.6 Manual J calculations required for HVAC system sizing
404.1 Lighting Requirement 50% of lamps are high efficacy lamps (CFL)