This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Venting metal roof over shingles.
Read on for more.
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.
The options for venting metal roofs are similar to those of other common roofing systems with some special considerations.
If it s slightly windy keep the steel downwind from you so a gust of wind doesn t knock you over.
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.
We do need to mention though one very rare scenario we have seen just a couple of times over our 35 years.
Ventilation basics roof ventilation depends on the simple scientific.
Also don t go up on the roof if it s windy.
Bjorn asks i have a new house with a metal roof and without a ridge vent.
Ventilation that meets code requirements is adequate for any type of roofing material including metal.
A metal roof typically does not increase nor decrease the need for ventilation.
Metal roof over shingles condensation.