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Air sealing
ELA
Key efficiency factor
ELA rates total leakage in a home’s air barrier including ceilings, walls and floors.
Air barriers with lower ELA are more energy efficient… more
ELA rates total leakage in a home’s air barrier including ceilings, walls and floors.
Air barriers with lower ELA are more energy efficient.

ELA combines all holes responsible for uncontrolled air flow through a home’s air barrier.
ELA is short for equivalent leakage area at 10 pascal indoor/outdoor pressure difference. less
Typical range of NEW sealed air barriers:
90 sq. in. ELA
Air barrier
60 sq. in. ELA
Air barrier
30 sq. in. ELA
Air barrier
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Discover ideas, technology, rebates & more
Reducing radon levels in existing homes
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Health Canada Guide 68 pages
Tremco pre-compressed, self-expanding, polyurethane joint sealant
See accessory at tremcosealants.com
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Tremco Illmod 600 Series
Doing it right
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Rona (604) 253-2822
Dupont, the miracles of science
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Dupont Air Sealent
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SouthFace Guide 2 pages
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Absolute Insulation (604) 968-0558
Be a Step Ahead with the Scotia Total Equity Plan
See financing at scotiabank.com
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air sealing
Scotia Home Equity Line of Credit
Home Inspections, blower door air tightness testing and thermal imaging
See service at capitalhomeenergy.com
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air sealing
Capital Home Energy (604) 562-0387
Air sealing including weatherstripping all windows, doors, and hatches
Sealed air barrier
160 sq. in. ELA
See product at certainteed.com
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air sealing
Air Barrier Stop uncontrolled air flow
RBC Energy Saver™ Loan at 1% interest rate discount or a $100 rebate
See financing at rbcroyalbank.com
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air sealing
RBC Energy Saver Loan
Air sealing using a blower door to find leaks and to verify leaks are plugged
Sealed air barrier
100 sq. in. ELA
See product at certainteed.com
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air sealing
Air Barrier Stop uncontrolled air flow
Publications - fresh ideas about ventilation
See advice at hvi.org
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air sealing
HVI Web page
More Saving. More Doing
See retailer at homedepot.ca
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air sealing
The Home Depot 1-800 628-0525
Fresh air begins with fresh thinking
See service at bcfurnace.com
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air sealing
BC Furnace (604) 415-9471
We pride ourselves on our commitment to high-quality workmanship
See contractor at antasprayfoam.ca
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air sealing
Anta Spray Foam (604) 328-9337
Henry, the #1 choice of professionals
See manufacturer at ca.henry.com
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air sealing
Henry Air Sealent
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