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…
There has been quite a bit of interest in Attic ventilation recently. The new low profile lower roof intake vent systems are garnering attention for their sleek design and minimal appearance on the roof. Check out the Lomanco page for…
We just finished a re-roofing project where we installed the Lomanco Deck-Air low-profile intake venting system and it is as good as advertised! The product is similar in nature to ridge venting, where the majority of the vent is covered…
Owens Corning has released an extension to their popular Duration line of shingles that is now available in the Calgary marketplace. The Duration Storm shingle boasts the advantages of Sure Nail technology to aid installation and prevent nail penetrations in…
You never know what you're going to find when you take off an existing roof. In this instance the asphalt shingles had been installed over a wood shake roof. It became apparent as to why when we removed the cedar…
When evaluating the quality of install of Plumbing boots please consider the following: - shingles overlapping the flanges of the vent are solid pieces - a minimum 1" space between the vents base and the shingles surrounding it - tar…
When evaluating the quality of a Gooseneck vent installation look for the following: - shingles overlapping the flanges of the vent are solid pieces - a minimum 1" space between the vents base and the shingles surrounding it -…
Roofing Tar, or sealant, is used to address small penetrations such as nail heads. Excessive amounts of tar are often a sign of prior leaking. This should be taken apart and addressed properly during the re-roof process. This could also…
Sometimes the best time to insulate an attic is prior to the installation of ceiling poly and drywall. If the finished attic space is extremely tight and access is limited please consult your Insulation expert for ideas to create the…
Soffits are designed to allow air intake into the attic space. If they are blocked for any reason the intake ventilation must be created through Roof intake vents. These are vents installed on the top of the roof but down…