Insulating Shed Roof Trusses

These foam pieces are as wide as the rafter spacing and form a channel for air to flow between the top of the insulation and the roof sheathing.

Insulating shed roof trusses.

The minimum rating of r38 in a roof requires some creative planning in the roof design of a new shed with 2 x6 minimum roof construction. You can insulate your shed roof to enhance more energy savings but make sure that you insulate the roof properly. The truss sides will be equal in length and width to fit equally on the shed walls. Because of limited space between the roof sheathing and ceiling joists a low slope shed roof can be difficult to insulate properly.

A roof is like a hat. The gable shed has a roof like a house so the roof trusses will have a peak in the middle. Hi they make thin foam pieces that you staple to the inside of the roof sheating before you put the insulation up. Such roofs lack maintenance as well.

Care is needed to ensure that there is sufficient ventilation space between the underside of the roof deck and the top of the insulation. For a heated shed warmer air inside rises and can have a relatively high moisture content. Insulating a shed roof is typically done using insulation below the roof deck and between the rafters. In this energy smart homes article senior editor martin holladay explains how to insulate a vented low slope shed roof using a combination of intake vents and cupolas.

Each roof style has some different insulating challenges. In areas with a cold climate part of the year r38 is the minimum and r50 is recommended. In addition to the lean to shed there is a gable shed roof. It keeps everything under it warm.