Warm Roof Soffit Detail

No ventilation is required for these types of roofs.

Warm roof soffit detail.

Its top edge is tucked up under the shingles and its outside face is where the gutter is mounted. Additional construction details drawings. So far so good. As well as the small selection of roof detail drawings shown here many of the building notes have a related construction detail drawing with specific dimensions eg rafter sizes spans insulations types for purchase with the building specifications.

The object being to design out the possibility of warm moisture laden air coming into contact with a cold surface and condensing. Make 45 degree cuts on panels using the 45 degree feature on your soffit table. Cold deck roof a cold deck roof is where the insulation is placed between the joists rafters or in. Soffit is the exposed siding underneath your roof s overhang.

Since your soffit is located on the underside of your roof it s often not visible in terms of curb appeal. Warm deck roof a warm deck roof is where the insulation is placed on top of the rafters joists and the roof covering is then placed over the insulation. In an earlier video you showed how to seal and insulate behind the fascia of a warm roof so that you avoid condensation on the fascia and even more importantly avoid cold air circulating between a warm roof and the ceiling below which can completely defeat the aim of a warm roof. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates timber framed and historic buildings may be framed with principal rafters or timber roof trusses roofs are also designated as warm or cold roof depending on how they are designed and built with regard to thermal building insulation and ventilation.

Warm roof construction requires that the entire roof construction is encapsulated within the insulation envelope of the building to be kept warm. All the roof edges are eaves no gable ends so flat soffits continue around corners. However soffit can still be seen when you re close to the home and when you re underneath it or at street level.