Attic ventilation / Green Building & Sustainable Home Renovation Information & Advice

...attic is the most resilient system, as it uses natural convection to remove heat and moisture. In roofs without attics, professionals must ensure 100% airtightness at the ceiling plane. Failure to manage moisture leads to mould growth and structural rot. Proper attic ventilation is also the primary defense against the ...

...attic space, IRC 2012 limits the net free ventilation reduction from 1:150 to 1:300. US NRCA guidelines For attic ventilation, NRCA recommends providing at least 1 square foot of NFVA for every 150 square feet of attic space (1:150 ventilation ratio) measured at the attic floor or ceiling level. For large-volume attics...

Should I renovate, remodel or rebuild? This very question comes up a lot for me during site consultations with clients. Some people buy an old home, maybe inherit an old home, or are just tired of living in an old home and aren’t sure of the best course of action. We toil over the same decision with old cars; sometimes...

...attic and causes that same melting to occur. Ventilation equipment such as furnaces, duct work and air conditioning are rarely seen in attics anymore, but if you have such equipment up there it is likely contributing to ice damming. In addition to that, you are probably adding 25% to your operational costs by having ai...

...Attic ventilation: Attic ventilation is essential to prevent ice in roofs, be certain that your roof ventilation is able to do its job. Next, roof ventilation - make sure your attic is properly ventilated. Check the attic to make sure that insulation isn't jammed down on the edges and blocking soffit vents. Proper ve...