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Properly air seal pot lights

Pot lights.  Everyone loves them.  They are chic, minimalist and used frequently in both new construction and renovations.  Unfortunately they represent a penetration in the ceiling vapor barrier that when improperly air sealed can be a source of unwanted heat…

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Roofing Downspouts

Potential granule loss at downspouts Prolonged water flow from roofing downspouts draining on to a lower roof line can result in excessive granule loss and potentially lead to more serious water ingress issues. Extending your down spouts to meet the…

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R-value

R-value is the unit of measurement used to gauge a material’s ability to reduce the rate of heat flow.  Everything has an R-value and in insulation it is used to rate the effectiveness and quality of products.  Different products have…

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Air sealing attic

One of the most important factors in keeping a healthy energy efficient home is to ensure the entire envelope of your building is air sealed. Much like a balloon, poking holes in your homes building envelope will let air escape. …

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Attic insulation article

Read a great article on the Construction Instruction website discussing some of the same factors we do here on our IDEAL blog.  You can read the full article HERE.    There is also a nice visual representation of Attic insulation…

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Soffit ventilation

Attic inspections consider 3 major factors:  R-value (measure of thermal resistance) of current insulation, Continuity of ceiling vapor barrier and Ventilation.  Ventilation is evaluated in 2 ways: Intake (usually in through the soffit cavities) and Exhaust (through vents installed high…

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Attic Rain

CBC Calgary recently reported on an unfortunate instance of Attic condensation termed "Attic Rain". You can read the article HERE. As Attic insulators we come across this phenomena during the Winter months. It is caused by a combination of 3…

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Attic ventilation. Why is it needed?

Attic ventilation is an important factor in protecting your roof. Moisture can build in the attic from hot air sources produced within the home: bathrooms, laundry, cooking, and humidifiers. It is important to expel this air to ensure that mold…

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