A Crash Course in Roof Venting - Fine Homebuilding
网页To be sure your roof is getting enough ventilation, there are simple calculations that you can follow. Beyond the decreased capacity for insulation when venting the roof deck, venting the roof deck or the attic has some other drawbacks worth considering. In cold climates, snow can enter the soffit and ridge vents, melt, and potentially cause rot.
Understanding Types of Roof Vents - Fine Homebuilding
网页2023年10月12日 · Most roof vents on the market are passive devices that rely on the stack effect, wind, temperature differentials, or some combination of those forces to move air. There also are electrically powered vents capable of moving a great deal of air, such as the roof-mounted models manufactured by Air Vent that can exhaust as much as 1320 cu. ft. …
Should I Vent a Roof Insulated With Spray Foam?
网页Michael Chandler, owner of Chandler Design-Build near Chapel Hill, N.C., and Bruce Harley, technical director of Conservation Services Group in Westborough, Mass., respond: Sealed attics perform much better than vented attics in the South; providing soffit and ridge vents is not a good idea. Humidity is likely to come from the outside air in ...
Vent Flashing Done Right - Fine Homebuilding
网页Back up roof vent boots with flashing, counterflashing, and proper shingling to prevent leaks. By Mike Guertin Issue 276 - July 2018 Synopsis: Mike Guertin describes his method for flashing roof vent boots, a main source of roof leaks.
Vented and Unvented Roofs - Fine Homebuilding
网页An unvented roof is often the only viable option when roof framing is complicated, such as when there are hips, valleys, dormers, or skylights that would prevent eave to ridge ventilation; when the house has no soffits and hence no soffit vents; or when adding eave vents would clash with the house’s architectural style. Unvented roofs also ...
Low-Profile Ventilation for Tiled Roofs - Fine Homebuilding
网页This article discusses low-profile ventilation for tiled roofs. In a market dominated by asphalt-shingled roofs with intake vents at the soffits and exhaust vents at the ridge, O’Hagin’s is looking out for the relatively small sliver of houses with tiled roofs.
Roof Venting Guide - Fine Homebuilding
网页If you’ve got a roof over your latest building project, chances are you’ve also given some thought to roof venting. It’s one of the more confusing aspects of home building and remodeling, and even with a large amount of information available, it perplexes builders and homeowners alike.
Does a Roof Need a Ridge Vent? - Fine Homebuilding
网页In this case, FHB editorial adviser Mike Guertin describes his approach to venting an attic where he was unable to install air intake vents at the eaves. Roof Vent Retrofit From the Outside In – Reroofing is the perfect time to lift the hood and make short work of an otherwise awkward venting job.
Adequate Roof Venting - Fine Homebuilding
网页2016年1月6日 · When gable vents are left open, air can enter through the gables and bypass the soffit vents. If air flows in through the gables and out the ridge vents, the entire roof doesn’t receive the full effect. The air isn’t entering through the soffit vents, traveling up the underside of the roof, and exiting through the ridge vent.
Venting a Wood-Shingle Ridge - Fine Homebuilding
网页Roof vents allow air to flow beneath the roof deck, thus moderating attic temperatures, extending the life of roofing materials, reducing ambient moisture in the house–a big source of mold–and preventing ice dams from forming along the eaves in cold climates.