Uneven Heating/Cooling Before selling zones, CONTAIN CONDITIONED AIR Best Practices for Air Barriers
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1 Uneven Heating/Cooling Before selling zones, CONTAIN CONDITIONED AIR Best Practices for Air Barriers UDC Construction Winter Updates - NW Association, Eau Claire Wed. 2/13/ NE Association, Green Bay Wed. 2/20/ SE Association, Menomonee Falls Wed. 3/06/2019 Inspectors - SE Association, Menomonee Falls Tue. 3/19/2019 Contractors - SW Association, Lake Delton Wed. 3/20/2019 Mark Meiling Principal
2 HOMEOWNERS COMPLAIN UNEVEN HEATING/COOLING
3 HOMEOWNERS COMPLAIN UNEVEN HEATING/COOLING OFTEN ACCOMPANIED WITH WET ATTICS WHICH LEADS TO MOLD
4 HOMEOWNERS COMPLAIN UNEVEN HEATING/COOLING OFTEN ACCOMPANIED WITH ICE DAMS WITH ROOF LEAKS AND GUTTER REPAIRS
5 HOMEOWNERS COMPLAIN UNEVEN HEATING/COOLING OFTEN ACCOMPANIED WITH WINDOW ROT FROM CONDENSATION
6 SOLUTIONS GET GREAT SAVINGS FROM ENERGY COST REDUCTION AIR SEALING MEASURES BEST RETURN ON INVESTMENT! ALWAYS SEAL CEILING 1 ST IT HAS THE MOST HOLES GREATEST OPPORTUNITIES
7 MOST LIKELY TO IMPROVE COMFORT COMPLETE AIR SEALING ENVELOPE BECAUSE Premier Building Scientist, JOSEPH LSTIBUREK When answering question: WHY BUILD A TIGHT HOUSE? Before you can control air you must enclose air. Over ventilating during cold weather leads to comfort problems. Builder s Guide To Cold Climates Chapter
8 MOST LIKELY TO IMPROVE COMFORT COMPLETE AIR SEALING ENVELOPE BECAUSE WINTER TIME STACK EFFECT BIGGEST AIR LEAK DRIVER RETARD STACK EFFECT - CAP CEILING WHEN AIR SEALING COMPLETE IMMEDIATELY RESOLVES VIRTUALLY ALL UNEVEN HEATING/COOLING CONCERNS
9 WHEN A TIGHT HOUSE FEELS WARM/COZY? NO NEED TO UPGRADE EXISTING HVAC DESIGN? AIR SEALING WORK COST-EFFECTIVE WHEN COMPARED WITH HVAC WORK REPAIR/REPLACE UNDESIGNED OR DESIGNED DUCTWORK ZONE SPACE CONDITIONING
10 DOWNSIDE TO HVAC 1 ST UNLIKELY HVAC REDESIGN WILL WORK WELL CREATE A NEW UNSEEN ISSUE MAKE EXISTING ISSUE WORSE
11 A NOTE ABOUT CASE STUDIES EMPHASIZE BEST AIR SEALING PRACTICES! 1,000s OF YEARS OF FIELD EXPERIENCE IN THIS AUDIENCE NOT FINGER POINTING - SEE ISSUES AS NUGETS OF KNOWLEDGE
12 A NOTE ABOUT CASE STUDIES THIS SHOULD GO WITHOUT SAYING. IF YOU RECOGNIZE A CASE, PLEASE KEEP IT TO YOURSELF.
13 I TRUST INSTALLERS WANT TO SOLVE COMFORT ISSUES! Verify SUCCESSFUL Efforts with PERFORMANCE TEST STANDARDS KNOW HOLES SEALED BETWEEN LIVING SPACE AND UNCONDITIONED ATTICS! OUR DESIGNED SOLUTIONS ARE DATA DRIVEN WE GENERATE DATA AND ANALYZE IT AGAINST LONG STANDING TESTING STANDARDS
14 TOPICS FOR DISCUSSION HOW CAN WE KNOW HOLES ARE AIR SEALED? SPS 322 WISCONSIN ADMINISTRATIVE CODE STANDARDS FOUND THERE OTHER STANDARDS USEFUL TOO! HOW MUCH TIGHTER SOLVES COMFORT? DEFINE AIR BARRIER
15 TOPICS FOR DISCUSSION CASE STUDIES PROVIDE INSIGHT? TWO CASES STUDIES INITIAL CONCERN WET ATTIC SECONDARY CONCERN UNEVEN HEATED/COOLED SPACES SEAL CEILING 1 ST VIRTUALLY ALL CEILINGS NEED IT!!! ONCE SEALED, AIR CONTAINED COMFORT RETURNS
16 MY BACKGROUND SERVED 4,500+ HOUSES PAST 38 YEARS PERSONALLY PERFORMED 20,000+ TESTS WEATHERIZATION PROGRAM COORDINATOR ESHAC ENERGY AUDITOR 1990 LEARNED TO RUN BLOWER DOOR WISCONSIN GAS CO
17 MY BACKGROUND 1996 PRESENT FORESIGHT HOME PERFORMANCE, INC FOCUS ON ENERGY ALLY BUILDING ANALYST PROFESSIONAL - CERTIFICATION MILWAUKEE INTERNATIONAL AIRPORT S NOISE MANAGEMENT PROGRAM WROTE AIR SEAL CONSTRUCTION SPECS DESIGNED ENVELOPE, IAQ, COMBUSTION SOW VERIFIED INSTALLS PERFORMANCE TESTED TO STANDARDS
18 MY BACKGROUND 2003 PRESENT INSTRUCTOR MATC MILWAUKEE ENERGY EFFICIENCY IN RESIDENTIAL CONSTRUCTION CARPENTRY DIVISION SCHOOL OF TECHNOLOGY AND APPLIED SCIENCES
19 DEFINE AIR BARRIER: SYSTEMS OF MATERIALS DESIGNED AND ASSEMBLED TO CONTROL AIRFLOW THROUGH THE BUILDING ENVELOPE SEPARATES INDOOR AND OUTDOOR AIR CONTINUOUS, SEALS THE ENTIRE ENVELOPE! SINGLE OR COMBINATION OF MATERIALS STOPS CONDITIONED AND WATER VAPOR LADEN AIR FROM VAGRANTLY LEAKING!
20 CAUSE OF MOLDY ATTICS MUST CONTROL SOURCES OF MOISTURE CONTROLLING VAPOR LEAKAGE TRUMPS ATTIC VENTILATION NEVER JUST ADD VENTS AS SOLUTION! IT LL EITHER MAKE AN EXISTING ISSUE WORSE CREATE A CONDITION WHERE IT DIDN T EXIST COLD ATTIC AIR CAN T HOLD THE AMOUNT OF VAPOR FOUND IN LEAKING LIVING SPACE AIR! REALLY? PROVE IT!
21 If attic vents solve wet/moldy attics, why is mold only here? Photo by: Mark Meiling
22 HOW MUCH VAPOR CAN AIR HOLD?
23 RH LOWERS WHEN AIR WARMS BEAKERS AIR S CAPACITY TO HOLD VAPOR EACH BEAKER SIZE DOUBLES RH DROPS BY HALF EACH 20F WARMER TEMP. 50% 25% 12.5%
24 RH RAISES WHEN AIR COOLS VAPOR ADDED TO INDOOR AIR BATHE BREATHE COOK AND LAUNDER RH RAISES UNTIL SATURATED LEAKING AIR COOLS IN ATTIC AND ROOF DECK DAMP EXCESS VAPOR CONDENSES
25 WHICH WATER VAPOR TRANSPORT MECHANISM IS THE BIGGER CONCERN? DIFFUSION OR AIR LEAKAGE Builder s Guide to Cold Climates 2012 By Joseph Lstiburek
26 Builder s Guide to Cold Climates 2012 By Joseph Lstiburek
27 SOLUTIONS FOR MOLDY ATTICS CONTROL SOURCES OF WATER VAPOR ELIMINATE ALL WE CAN CONTROL WHAT WE CAN T ELIMINATE KEEP INDOOR AIR FROM LEAKING AIR SEAL CEILING 1 ST INSTALLER S SUCCESSFUL EFFORTS VERIFIED ZONE TESTING DATA ANALYSIS AIR SEALING IS SUCCESSFUL WHEN DRYING OUTPACES WETTING
28 CAUSE OF UNEVEN HEATING/COOLING STACK EFFECT BIGGEST AIR LEAKAGE DRIVER
29 CAUSE OF UNEVEN HEATING/COOLING STACK EFFECT BIGGEST AIR LEAKAGE DRIVER Residential Energy 6 th Ed 2012 John Krigger & Chris Dorsi
30 CAUSE OF UNEVEN HEATING/COOLING STACK EFFECT BIGGEST AIR LEAKAGE DRIVER WIND AND MECHANICAL DEVICES ALSO DRIVE AIR LEAKAGE
31 Residential Energy 6 th Ed 2012 John Krigger & Chris Dorsi
32 Residential Energy 6 th Ed 2012 John Krigger & Chris Dorsi
33 CAUSE OF UNEVEN HEATING/COOLING FOR EVERY CUBIC FOOT OUT? ANOTHER CUBIC FOOT GETS IN FEELS COLD & DRAFTY
34 SOLVE UNEVEN HEATING/COOLING WITH TRIAGED APPROACH COMPLETELY AIR SEAL CEILING RETARD THE SEASONAL STACK EFFECT CONTAINED AIR IS MORE EASILY CONTROLLED IF ISSUE NOT COMPLETELY RESOLVED, ONLY THEN: REDESIGN DISTRIBUTION SYSTEM ADD ZONES WHAT TESTING STANDARDS AVAILABLE?
35 COMFORT DESIGN STANDARDS MAXIMUM AIR LEAKAGE FOR DESIGN OF HEATING LOAD SPS (2) INFILTRATION (a) HEATING DESIGN LOAD MAXIMUM 0.5 NACH (b) ASTM E 779 BD TEST 1. MUST DOC. FOR CREDIT 2. IF < 0.2 NACH REQUIRES MECH. VENTILATION TOTAL AIR LEAKAGE BD TEST WHERE LEAKS LOCATED? CAN T KNOW!!! FHP S FIELD EXPERIENCE 0.5 NACH HOMEOWNERS COMPLAIN OF A DRAFTY HOUSE! 0.2 NACH CAN SUFFER FROM WET ATTIC! ASHRAE NOT TO EXCEED 1.5 AIR FLOW RATE PROVIDES FRESH AIR CONTROLS RELATIVE HUMIDITY
36 DOWN LIGHT TIGHTNESS STANDARD SPS AIR LEAKAGE (4) RECESSED LIGHTING SHALL BE SEALED! (a) SEALED OR GASKETED TO CAVITY OR UNCONDITIONED ATTIC (b) ASTM E 283 < 2 CFM/EA. (c)1. IC-RATED IN AIR TIGHT BOX (c)2. NON-IC-RATED IN NONCOMBUSTIBLE BOX ASTM E-84 CEMENT BOARD FLAME SPREAD < 10 FHP EFFECTIVELY USES WE PERFORMANCE TEST ASTM E 283 VIRTUALLY ALL LIGHTS LEAK OLD LIGHTS THE WORST AIR TIGHT IC-RATED LED NOT MUCH BETTER ONLY BETTER WHEN SEALED DIRECTLY TO DRYWALL
37 WI ADMINISTRATIVE CODE SPS (4) FIELD TEST ASTM E 283 HOUSE DEPRESSURIZED TO 75 PA ACCEPTABLE AIR FLOW < 2 CFM = < 2 PA Photo by: Mark Meiling
38 SOME TYPES OF DOWN LIGHTS NON-IC-RATED PIC 1
39 NON-IC-RATED DOWN LIGHT PIC 1
40 SOME TYPES OF DOWN LIGHTS NON-IC-RATED PIC 1 NON-IC-RATED PIC 2 & 3 BOXED WITH DRYWALL
41 BOXED DOWN LIGHT PICS 2 & 3 Photo by: Mark Meiling
42 SOME TYPES OF DOWN LIGHTS NON-IC-RATED PIC 1 NON-IC-RATED PIC 2 & 3 BOXED WITH DRYWALL NON-IC-RATED PICS 4, 5, & 6 PIC SHOWS AIRTIGHT LIGHT as per SPS (1)(a) & ASTM E-84 NONCOMBUSTIBLE BOX FLAME SPREAD OF SEALANTS RATING 75 OR LESS SMOKE DEVELOPED RATING 450 OR LESS
43 NON-IC-RATED DOWN LIGHT PICS 4, 5, & 6
44 SOME TYPES OF DOWN LIGHTS NON-IC-RATED PIC 1 NON-IC-RATED PIC 2 & 3 BOXED WITH DRYWALL NON-IC-RATED PICS 4, 5, & 6 PIC SHOWS AIRTIGHT LIGHT NONCOMBUSTIBLE BOX TENMAT PICS 7 & 8 NON COMPLIANT WITH ASTM E 283 PER CALCULATIONS OFF ITS SPEC SHEET
45 TENMAT PICS 7 & 8
46 DUCT TIGHTNESS STANDARDS SPS AIR LEAKAGE DUCT AND PLENUM SEAL JOINTS (1) OUTSIDE CONDITIONED SPACE (2) SEAL (UL rating 181A or 181B) MASTIC-+-EMBEDDED-FABRIC TAPES (ONLY NEW RIGID) WELDS GASKETS (a) POST CONSTRUCTION DUCT BLASTER TEST (NEW CONSTRUCTION) AIR LEAKAGE TO OUTDOORS < 8 CFM/100 SF FLOOR AREA TOTAL AIR LEAKAGE < 12 CFM/100 SF FLOOR AREA ACROSS ENTIRE SYSTEM FHP EFFECTIVELY USES PRESSURE PAN REGISTERS CONDITIONED SPACE TO OUTDOORS HOUSE AT -50 PA < 2 PA BEST PRACTICE? RIGID METAL DUCTWORK SEALED WITH MASTIC + EMBEDDED FABRIC
47 SPS (a) POST CONSTRUCTION - CROSS ENTIRE SYSTEM < 12 CFM/100 SF Residential Energy, 6 th Ed 2012 John Krigger & Chris Dorsi
48 PRESSURE PAN TESTING TO < 2 PA Residential Energy, 6 th Ed 2012 John Krigger & Chris Dorsi
49 PRESSURE PAN TESTING TO < 2 PA
50 DUCT SEALING BEST PRACTICES Residential Energy, 6 th Ed 2012 John Krigger & Chris Dorsi
51 DUCT SEALING BEST PRACTICES
52 DUCT SEALING BEST PRACTICES Builder s Guide to Cold Climates 2012 By Joseph Lstiburek
53 ENVELOPE TIGHTNESS STANDARDS SPS AIR LEAKAGE (6) COMPLIANCE DEMONSTRATION (a) TEST OPTION ACCEPTABLE AIR LEAKAGE < 7 ACH50 AFTER ROUGH IN AFTER SEALING PENETRATIONS UTILITIES PLUMBING ELECTRICAL VENTILATION & COMBUSTION APPLIANCES FHP USES ZONE PRES. RATIOS EXISTING HOUSES TOTAL AIR LEAKAGE (CFM50) + ZONAL PRESSURES AS AIR LEAKAGE RATIOS OF HOLE SIZE BASED ON KNOWN ATTIC VENT OPENINGS WHEN ZONE PRESSURES NON-COMPLIANT? HOMEOWNERS COMPLAIN HIGHER ENERGY BILLS DISCOMFORT WET ATTICS ICE DAMS
54 TOTAL LEAKAGE < 7 ACH50 7 Design Load Maximum 0.5 RESIDENTIAL ENERGY, 6 TH ED 2012 JOHN KRIGGER & CHRIS DORSI
55 ZONE PRESSURES RATIO OF RELATIVE SIZE OF LEAKS MINNEAPOLIS BLOWER DOOR OPERATION MANUAL FOR MODEL 3 AND MODEL 4 SYSTEMS 2001 THE ENERGY CONSERVATORY
56 ZONAL STANDARDS AIR SEALERS SUCCESSFUL? House WRT Attic H WRT A = -37 Pa Attic WRT Outside A WRT O = -13 PA 200 NFs = 8 vnts - 13 Pa HOLES (100 s ) FROM THE INSIDE TO THE ATTIC ARE HALF AS LARGE AS VENT HOLES (200 s ) FROM THE ATTIC TO THE OUTSIDE EXPECTING A ZONE PRESSURE OF -1 PA (= 15 s ) BUT HAVE -13 PA... Residential Energy, 6 th Ed 2012 John Krigger & Chris Dorsi LOT MORE AIR SEALING TO DO!
57 ZONE PRES. RATIOS USED TO PREDICT SUCCESS OF AIR SEAL EFFORTS SIDE ATTIC ACTUAL EXPECT NW - 25 PA -13 PA SW - 25 PA - 4 PA 1 ROOF 2 ROOF SIDE ATTIC ACTUAL EXPECT PURPLE PEAK (3RF VNTS) - 10 PA - 4 PA GREEN FRONT (3RF VNTS) - 4 PA - 4 PA YELLOW REAR (1RF VNT) - 29 PA -13 PA VENT NW SW VENTS NW SW RESIDENTIAL ENERGY, 6 TH ED 2012 JOHN KRIGGER & CHRIS DORSI FHP ZONE DATA
58 IF I COLLECTED THIS DATA I D CLIMB INTO THE SIDE ATTICS AND LOOK FOR
59 Residential Energy, 6 th Ed 2012 John Krigger & Chris Dorsi
60 LET S LOOK AT A COUPLE OF CASE STUDIES
61 10 YEAR OLD HOUSE CASE #1 Wet attic + Uneven heating/cooling Photo by: Mark Meiling
62 COLD WEATHER SNAP MIDDLE TO END OF DEC 2016 CASE #1 7-8 DAYS SOURCE - Date Temp Date Temp 12/13/ / / / / /19/ / / / / /18-6
63 CASE #1 COMPLAINT WHOLE ATTIC SOAKING WET! WE FOUND SIGNIFICANT AIR LEAKAGE CEILING BETWEEN THE LIVING SPACE AND MAIN ATTIC MAJOR FRAMING JUNCTURES ARCHITECTURAL FEATURES DOWN LIGHTS DUCTWORK WITH CEILING REGISTERS PLUMBING VENT STACKS
64 CASE #1 GC SAW FROST EVERYWHERE! SIGNIFICANT AIR LEAKAGE WAS FOUND BETWEEN THE LIVING SPACE AND ATTIC! PLUMBING VENTS. Photo by: Mark Meiling
65 GC SAW FROST EVERYWHERE! CASE #1 SIGNIFICANT AIR LEAKAGE WAS FOUND BETWEEN THE LIVING SPACE AND ATTIC! ARCHITECTURAL FEATURES DOWN LIGHTS ATTIC DUCT WORK Photo by: Mark Meiling
66 CASE #1 DUCTWORK WE FOUND Photo by: Mark Meiling
67 CASE #1 DUCTWORK WE FOUND Photo by: Mark Meiling
68 Test Result data: Mark Meiling Down light & Pressure Pan Test Results Case #1 CASE #1
69 CASE #1 WE ADDITIONALLY LEARNED HEATING AND COOLING A PROBLEM TOO! GC SAID, DURING THE PAST SUMMER A HVAC CONTRACTOR MEASURED HIGH TEMPERATURES AT THE RETURN PLENUM RANGING FROM 95F TO 115F. WHY IS RETURN AIR TEMP SO HIGH? HUGE OPENING TO ATTIC AT CEILING REVEAL TO RETURN TRUNK JUNCTURE!
70 CASE #1 AIR LEAKAGE AT FEATURES CEILING REVEAL HUGELY OPEN! Diagram by: Mark Meiling
71 CASE #1 CROSS SECTION BB OF TRUSS ATTIC Photo by: Mark Meiling Photo & Diagram by: Mark Meiling
72 CROSS SECTION AA OF CEILING REVEAL CASE #1 MAJOR CAUSE OF WET ATTIC & COMFORT COMPLAINT Photo by: Mark Meiling
73 CROSS SECTION AA OF CEILING REVEAL MAJOR CAUSE OF CASE #1 WET ATTIC & COMFORT COMPLAINT Photo by: Mark Meiling
74 CROSS SECTION AA OF CEILING REVEAL MAJOR CAUSE OF COMFORT COMPLAINT & WET ATTIC CASE #1 THE HOLE IS HUGE! (2 x 35 ) x 1.5 = 8.75 SF Diagram by: Mark Meiling
75 HOW TIGHT WAS THIS HOUSE? CASE #1 9.4 Design SV 7 - SPS322.37(6)(a) 0.50 OUR TESTING FOUND BEFORE AIR SEALING TOTAL BLDG SHELL LEAKAGE 9.4 ACH CFM50 DESIGN SV ZONE LEAKAGE PRESSURE 29.3 PASCALS A WRT O 2.5 PI SV AFTER AIR SEALING TOTAL BLDG SHELL LEAKAGE 2.5 ACH CFM50 POST IMPROVEMENT (PI SV) ZONE LEAKAGE PRESSURE 9.0 PASCALS A WRT O
76 50+ YEAR OLD HOUSE CASE #2 Wet attic + Uneven heating/cooling Photo by: Mark Meiling
77 COLD AIR FLOWS DOWN STAIRCASE! CASE #2 RIGHT STAIRCASE SITTING ON THE COUCH DRAFTY UNCOMFORTABLE Photo by: Mark Meiling
78 CASE #2 WHERE ARE THE HOLES IN THE CEILING? MAJOR FRAMING JUNCTURES CEILING HEIGHT CHANGES PULL DOWN STAIRCASE DROP SOFFITS TOP PLATES MECH., PLMB., & ELECTRIC PENETRATIONS RECESSED LIGHTS, CEILING XFANS &WIRING HOLES PLUMBING STACKS DUCTWORK
79 WHERE ARE THE HOLES IN THE CEILING? CASE #2 Floor plan by: Mark Meiling
80 CASE #2 MAJOR FRAMING JUNCTURES CEILING HEIGHT CHANGES
81 CASE #2 MAJOR FRAMING JUNCTURES Residential Energy, 6 th Ed 2012 John Krigger & Chris Dorsi
82 CASE #2 MAJOR FRAMING JUNCTURES PULL DOWN STAIRCASE
83 Photo by: Mark Meiling CASE #2
84 CASE #2 MAJOR FRAMING JUNCTURES PULL DOWN STAIRCASE Photo by: Mark Meiling
85 CASE #2 MAJOR FRAMING JUNCTURES DROP SOFFITS
86 CASE #2 MAJOR FRAMING JUNCTURES DROP SOFFITS Photo by: Mark Meiling
87 CASE #2 MAJOR FRAMING JUNCTURES Residential Energy, 6 th Ed 2012 John Krigger & Chris Dorsi
88 CASE #2 MAJOR FRAMING JUNCTURES TOP PLATES Photo by: Mark Meiling
89 CASE #2 MAJOR FRAMING JUNCTURES TOP PLATES Photo by: Mark Meiling
90 CASE #2 ELECTRIC PENETRATIONS RECESSED LIGHTS
91 CASE #2 MECHANICAL & ELECTRIC PENETRATIONS RECESSED LIGHTS Photo by: Mark Meiling
92 Recessed lights Test Results CASE #2 Test Results by: Mark Meiling
93 CASE #2 PLUMBING PENETRATIONS PLUMBING STACKS Photo by: Mark Meiling
94 CASE #2 PLUMBING PENETRATIONS PLUMBING STACKS Builder s Guide to Cold Climates 2012 By Joseph Lstiburek
95 CASE #2 MECHANICAL PENETRATIONS DUCTWORK Photos by: Mark Meiling
96 CASE #2 MECHANICAL PENETRATIONS Residential Energy, 6 th Ed 2012 John Krigger & Chris Dorsi
97 Pressure Pan Test Results CASE Case #2 Test Results from Pressure Pan of Registers Test Results by: Mark Meiling
98 HOW TIGHT WAS THIS HOUSE? CASE #2 8.4 Design SV 7.0 SPS322.37(6)(a) 6.6 PI SV 0.50 OUR TESTING FOUND BEFORE AIR SEALING TOTAL BLDG SHELL LEAKAGE 8.4 ACH CFM50 DESIGN SV ZONE LEAKAGE PRESSURE 9.3 PASCALS A WRT O AFTER AIR SEALING TOTAL BLDG SHELL LEAKAGE 6.6 ACH CFM50 POST IMPROVEMENT (PI SV) ZONE LEAKAGE PRESSURE 2.6 PASCALS A WRT O
99 WHAT AIR SEALING METHOD WORKS? COVER THE HOLE WITH MATERIAL THAT WILL STAND-UP TO MECHANICAL ABUSE SECURELY FASTEN THE COVER TO FRAMING SEAL THE EDGES OF COVERING TO FRAMING IF POLY EXISTS, CUT AWAY ½ TO 1 SEALANT SPANS DRYWALL (OR COVERING) TO FRAMING!
100 OTHER HOLES NOT SHOWN HERE MAJOR FRAMING JUNCTURES BALLOON-FRAME AT GABLE WALL CANTILEVERED FLOORS FRAMED ARCHWAYS MECH., PLMB. & ELECTRIC PENETRATIONS CHIMNEY CHASE SHOWER SURROUNDS DUCT CHASE/PANNED JOISTS PANNED EXHAUST FAN ROOF TERMINATION
101 WI ADMINISTRATIVE CODE ENERGY CONSERVATION SPS TABLE AIR AND THERMAL BARRIERS INSULATION INSTALLED IN SUBSTANTIAL CONTACT AND CONTINUOUS ALIGNMENT WITH AIR BARRIER BREAKS OR JOINTS IN THE AIR BARRIER ARE FILLED OR REPAIRED. CEILING/ATTIC AIR BARRIER IN ANY DROPPED CEILING/SOFFIT ANY GAPS ARE SEALED ATTIC ACCESS IS SEALED
102 HOUSES ARE A SET OF INTEGRATED SYSTEMS CHANGES MADE TO A COMPONENT OF A HOUSE CAN SIGNIFICANTLY IMPACT! COMFORT DURABILITY COMBUSTION SAFETY HIGH ENERGY USAGE
103 WHY TRIAGE HVAC IN FAVOR OF AIR SEALING WORK? CEILINGS OF ENVELOPES ARE WILDLY LEAKY WE CAN T SOLVE PROBLEMS USING THE SAME KIND OF THINKING WE USED WHEN CREATING THEM. - ALBERT EINSTEIN
104 ENVELOPE and IAQ TAKE AWAY FHP VERIFIES WITH STANDARDS CFM50 ASTM E-779 ATTIC ZONE DATA COLLECTED ATTIC VENT TEST VERIFIES INSTALLER S SUCCESSFUL EFFORTS CFM50 A VARIABLE IN ASHRAE 62.2 (x 1.5) AIR EXCHANGE RATE DEPENDENT ON BUILDING TIGHTNESS, VOLUME, AND # OF OCCUPANTS FOE TEST CFM50 ASTM E-779 THIS BASIC TEST ONLY HELPS UNDERSTAND COST OF AIR SEALING VS. ENERGY REDUCTION WHAT ABOUT REPLACEMENT COST??? NO ZONAL PRESSURE TEST IAQ ASHRAE cfm CONTINUOUS 50cfm INTERMITENT CONTROL RH & FRESH AIR
105 ENVELOPE TAKE AWAY FHP VERIFIES WITH STANDARDS PRESSURE PAN TO 2 PA FOE TEST NO PRESSURE PAN TEST MAP DUCTS IN UNCONDITIONED SPACES FAIRLY INEXPENSIVE TEST INDEPENDENT/UNBIASED CONSULTANT! HOMEOWNER PAYS FOR SERVICES CLIENT S INTEREST COMES FIRST! INDEPENDENT/UNBIASED CONSULTANT? BLOWER DOOR TECH GETS PAID FROM BOTH STATE AND BUILDER/CLIENT WHO S INTEREST COMES FIRST?
106 ENVELOPE TAKE AWAY FHP VERIFIES WITH STANDARDS WE DON T DO DUCTBLAST TEST WE RE CONCERNED ABOUT AIR LEAKAGE AT DUCTWORK OUTSIDE THE CONDITIONED ENVELOPE We PRESSURE PAN TEST ductwork outside to measure and diagnose a performance issue for a client. FOE TEST SPS DUCT BLASTER TESTS (a) POST-CONSTRUCTION LEAKAGE TO OUTDOORS < 8 CFM/100 SF FLOOR AREA TOTAL LEAKAGE (b) ROUGH-IN < 12 CFM/100 SF FLOOR AREA ACROSS ENTIRE SYSTEM LEAKAGE TO OUTDOORS < 6 CFM/100 SF FLOOR AREA TOTAL LEAKAGE < 4 CFM/100 SF FLOOR AREA ACROSS ENTIRE SYSTEM
107 ENVELOPE TAKE AWAY FHP TESTING TO STANDARDS ASTM E-783 AS IN SPS (4)(b) FOE TEST NO TEST FOR DOWN-LIGHTS VERIFIES DOWN-LIGHT AIR LEAKAGE RATE HOLDS INSTALLER ACCOUNTABLE FAIRLY INEXPENSIVE TEST ASTM E-783 AS IN SPS (2) NO WINDOW TEST VERIFIES WINDOW AIR LEAKAGE RATE VERY EXPENSIVE TEST
108 COMBUSTION SAFETY TAKE AWAY FHP VERIFIES WITH STANDARDS ADVANCED WCD - CEE MORE SOPHISTICATED PROTOCOL FOE TEST WCD SIMPLIFIED APPROACH ONLY EXPENSIVE SOLUTIONS LESS EXPENSIVE SOLUTIONS WHEN AVAILABLE WHOLE HOUSE DEPRESSURIZATION AT EACH FIREPLACE NO TEST FOR FIREPLACES CAZ not to exceed 3 PA IF EXTERIOR FLUE 5 PA IF INTERIOR FLUE
109 USEFUL PERFORMANCE TESTING CAN HOLD INSTALLERS ACCOUNTABLE CODE LANGUAGE INCLUDES Performance tests that go far beyond FOE tests Provide a high level of confidence when data analyzed against these standards! REFERENCE GUIDE PROVIDES CLARITY FOR USEFUL DIAGNOSTIC TESTING
110
111 REMAINING QUESTIONS? MARK MEILING
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