Rusty Nails In Roof Vents

Spot vents on lower roof slopes or power vent fans are not as good a substitute for the year round passive venting provided by a ridge vent.

Rusty nails in roof vents.

Take a visual on all of your roof vents whether they are ridge vents or mushroom or static vents to see if it looks like they may be allowing precipitation in your attic. However they can cause leaks particularly if you have an asphalt shingle roof. All of those things will add to the moisture in the attic and will rust any metal exposed there. Check inside your attic for mold stains and rusty nails.

Insulation rusty nails or rust spots that dripped onto your insulation blackened plywood mold or mildew inside your attic curling or cracking shingles uneven snow melt and icicles. If you find this then you need to look further into improving your attic ventilation performance. Roofing nails sticking up called nail pops might look like an unimportant issue. Intake vents low at the roof s edge or in the soffit eaves along with exhaust vents high on the roof at or near the ridge.

Instead with a little effort you can help revive your vent and have it fight off the rust attack. Over time your roof vent may become rusty. Our photo left illustrates a common construction practice on wood framed homes built in north america into the 1950 s. The nails might have popped.

When dealing with chemicals in products such as roofing cement and rust resistant primer and. This allows cool dry intake air. Roofing nails are galvanized but add enough moisture and galvanized nails.