Double Roof Ventilation

In cold climates snow can enter the soffit and ridge vents melt and potentially cause rot.

Double roof ventilation.

A double roof structure located high above a roof can also provide shading for an outdoor roof garden or. Beyond the decreased capacity for insulation when venting the roof deck venting the roof deck or the attic has some other drawbacks worth considering. Although there are many different types of roof vents to choose from ensuring you have the right number of both. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals.

The installation of roof vents is a crucial part of roof design because it allows for proper attic ventilation which may help prevent condensation and early aging of your roofing materials. Extend the roofline to shade exterior walls and create shaded outdoor living spaces. To be sure your roof is getting enough ventilation there are simple calculations that you can follow. The system enhances passive cooling of dwellings and can help diminishing power costs for air conditioning in summer or in tropical and arid countries.

Use cross ventilation or ridge vents to ventilate the air cavity between the roofs. Incorporate a double roof structure separated by an air cavity. The double skin roofs investigated in this paper are formed by adding a metallic screen on an existing sheet metal roof. The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture.