part two audio demonstration
TRANSCRIPT
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What is R-What is R-value ?value ?
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R-Value - Key Points R-Value - Key Points
R-value is a measurement of R-value is a measurement of RResistance to esistance to heat flow heat flow
R-value is measured using international R-value is measured using international standard standard laboratory test methods (ASTM-laboratory test methods (ASTM-xxxx)xxxx)
R-value is used to evaluate insulation materialsR-value is used to evaluate insulation materialsbut but can alsocan also be used as a performance be used as a performance
measure of wall/ceiling/floor systemsmeasure of wall/ceiling/floor systems
More than one method of measuring R-ValueMore than one method of measuring R-Value
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How is How is R-ValueR-Value
measured ?measured ?
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Measures thermal resistance of product Measures thermal resistance of product sample sample using heat flow meterusing heat flow meter
Testing for R-ValueTesting for R-Value Guarded Hot Plate Apparatus - Guarded Hot Plate Apparatus - ASTM ASTM
C518C518
Most common R-value testMost common R-value test
Done with material samplesmaterial samples in machine
Used for labels on insulation productsUsed for labels on insulation products
Measures primarily Measures primarily conductiveconductive heat flow heat flow
Quick and inexpensive test
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Heat Transfer Heat Transfer PercentagesPercentages
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Installed System R-Value Installed System R-Value TestingTesting
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Installed System R-value Installed System R-value TestingTesting
ASTM C1363ASTM C1363
Measures the performance of insulation Measures the performance of insulation as used (installed) e.g.. a frame wall systemas used (installed) e.g.. a frame wall system
Test measures insulation Test measures insulation andand effects of effects of other wall components (framing, sheathing,other wall components (framing, sheathing, air infiltration, air spaces, etc.)air infiltration, air spaces, etc.)
Test performed at real world temperatures Test performed at real world temperatures (interior versus exterior)(interior versus exterior)
Measures all types of heat transfer - combinedMeasures all types of heat transfer - combined (conduction, convection & radiation)(conduction, convection & radiation)
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Other factors measured by installed system performance test
Thermal Bridging • Transfer of energy through framing members• Insulation is installed between framing • Framing (less thermal resistance) conducts energy in/out• Framing can amount to as much as 25% of a structure• Thermal transfer with concrete and metal even greater
Air infiltration • Transfer of energy through air movement• Heat is attracted to cold• Air drafts in building envelope • Can affect heat loss by as much as 35 %
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How Does 25mm P2000 Perform compared to 150mm of Fiberglass?
Measures conduction of insulation material sample using heat flow meter
Material Sample Testing - ASTM C518
0.72 3.35
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Measures combined effects of wall system - including thermal conduction, thermal bridging through frame
members and convection currents within wall
Installed System Testing - ASTM C1363
1.82.02
0.723.35
How Does 25mm P2000 Perform
compared to 150mm of Fiberglass?
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Moisture reduces performance of fiberglass insulation because moisture droplets in effect conduct energy
through fibers at a faster rate
1.5% moisture = reduced performance of 26% ASRAE study
What About Moisture?
1.8
1.74
1.82.02
.723.35
How Does 25mm P2000 Perform
compared to 150mm of Fiberglass?
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Improper installation such as compression and poor fitting in stud cavities can also
reduce the effectiveness of fiberglass.
Installation Deficiencies
2.02
1.8
??
1.8
1.74
1.8
0.72
3.35
How Does 25mm P2000 Perform
compared to 150mm of Fiberglass?
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Air leakage accounts for as much as 35 % of heat loss in a building envelope.
Air Infiltration
1.8
??
1.8
??
1.8
1.74
1.82.02
.723.35
How Does 25mm P2000 Perform
compared to 150mm of Fiberglass?
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Summary
• Material sample R-value testing and installed system R-value testing yield significantly different results
• Installed performance testing is a more specific and reliable measure of insulation performance because it looks at the combination of factors present in a specific wall/ceiling system
• Material sample tested (labelled) R-values are assumed to be a reliable indicator of installed performance
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Which is the most meaningfulWhich is the most meaningfultest of insulation performance ?test of insulation performance ?
Installed System TestingInstalled System Testing
Material Sample TestingMaterial Sample Testing
OROR
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Which is a best Which is a best indicator of an energy indicator of an energy
efficient building?efficient building?
A building with high R-A building with high R-value?value?
OROR
A building that uses less A building that uses less energy?energy?
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How is P2000 an How is P2000 an efficient insulatorefficient insulator “ “dead air space” dead air space”
be built into a practical be built into a practical construction material ?construction material ?
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Expanded Polystyrene Foam Expanded Polystyrene Foam (EPS)(EPS)
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Expanded PolystyreneExpanded Polystyrene
1000s of Air Pockets1000s of Air Pockets
Magnified 100 x Magnified 1500 x
90%+ air / volume
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We We trusttrust the Polystyrene the Polystyrene CupCup
2 mm of efficient insulation
Common R-value testing does not measure its complete performance of other insulation materials like: ThermosSpace SuitsPolystyrene cup
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P2000 Special EPSNon conductiveReflective Radiant Barrier
P2000 - Air Tight Thermal P2000 - Air Tight Thermal PanelPanel
Non conductiveReflective Radiant Barrier
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Engineered system uses EPS formula foam Engineered system uses EPS formula foam
corecore Core is 90%+ air / volume Core is 90%+ air / volume Faced with durable, radiant reflective skinFaced with durable, radiant reflective skin Lightweight, easy to cut & fitLightweight, easy to cut & fit Proven effective insulator in many applications Proven effective insulator in many applications EPS documented as the most stable & long-life EPS documented as the most stable & long-life
insulation building material insulation building material
What makes P2000 What makes P2000 Insulating System efficient?Insulating System efficient?
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Infrared ImagingInfrared Imaging
Seeing Temperature ResultsSeeing Temperature Results
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Conventional vs. P2000 Conventional vs. P2000 InsulationInsulation
Black & White Display Palette
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Time Lapse Infrared Time Lapse Infrared ImagingImagingPart I: Before P2000Part I: Before P2000
Background NotesBackground Notes
House ceiling - Florida USAHouse ceiling - Florida USA Shots of interior ceiling Shots of interior ceiling 450mm of fiberglass blanket (R10.6)450mm of fiberglass blanket (R10.6) 50mm x 160mm studs50mm x 160mm studs 24 hour time lapse - afternoon to 24 hour time lapse - afternoon to
afternoonafternoon
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18 – 23 C 42 C
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The P2000 Insulation SystemThe P2000 Insulation SystemEFFICIENTQuick & Easy to cut, fit & installContinuous cover application - reduces thermal bridgingP2000 addresses conductive, convective and radiant energy transferEffective Insulator – 25 mm of P2000 out-performs 150 mm of fiberglass GREEN & HEALTHY AlternativeP2000 has 20+ points that make it a responsible green productReduces energy consumption and CO2 emissionsHealthy for installer & building occupantsHealthy for environment (from manufacture to disposal)Does not support mold or mildew growth
SAVES Materials, Time & $$$$P2000 serves as a an insulation, air / vapour barrier and thermal breakP2000 multi function capacity saves time & installation cost DURABLE & SUSTAINABLEP2000 does not sag or settle after installP2000’s performance not compromised by moistureP2000 not compromised by aging, off-gassing or compression