Venting Metal Roof Over Shingles

The options for venting metal roofs are similar to those of other common roofing systems with some special considerations.

Venting metal roof over shingles.

A metal roof typically does not increase nor decrease the need for ventilation. 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. Ventilation that meets code requirements is adequate for any type of roofing material including metal. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Metal roof over shingles condensation. Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. Read on for more.

If it s slightly windy keep the steel downwind from you so a gust of wind doesn t knock you over. Ventilation basics roof ventilation depends on the simple scientific. 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. Also don t go up on the roof if it s windy.