Venting Metal Roof Over Shingles

Also don t go up on the roof if it s windy.

Venting metal roof over shingles.

A metal roof typically does not increase nor decrease the need for ventilation. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. We do need to mention though one very rare scenario we have seen just a couple of times over our 35 years. Read on for more.

Ventilation basics roof ventilation depends on the simple scientific. The options for venting metal roofs are similar to those of other common roofing systems with some special considerations. Ventilation that meets code requirements is adequate for any type of roofing material including metal. Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it.

If it s slightly windy keep the steel downwind from you so a gust of wind doesn t knock you over. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Please recommend a vent system without cutting holes in the metal roof there are several options available to provide ventilation to your attic without cutting holes in your metal roof including gable vents and a vented ridge. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.