Framing A Flat Roof Addition

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

Framing a flat roof addition.

How to tie a additions roof to existing roof roof additions to existing roofs how to construct a roof from an exsisting shead how to change a roof line how to attach a deck roof to existing roof how to add a roof over porch attache porch roof on house attach shed roof to house adding a roof to screened in porch adding a roof to existing. When building a single story flat roof addition on a two story house the flat roof will normally simply butt up against the side of the wall. Another is to sever the existing roof around the edges and lift it off temporarily then put it back in place after the new level has been framed in. Https amzn to 38xt1eh or donate to suppor.

Some roofs actually slope in several directions ensuring optimal water runoff. And the line length measurement from the roof peak to the building wall is the hypotenuse. You can do this with a foam layer that exactly fits your roof. The run or half the building span is the base of the triangle.

Of course you don t need to live in a modern house to deal with a flat roof. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. This will help you create a flat roof framing plan. Rather than a single slope a gable roof consists of two slopes that meet at a peak running down the middle of the roof.

Flashing must be applied along the gap between the flat roof and the brick wall to ensure that everything is watertight and secure. Some flat roofs have rafters from a ledger to supports at the end of the roof others have large outside beams with rafters. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. This makes it very simple however it does create a weakness in the design.

Adapt the connection of the new roof to the style of the addition. When framing a flat roof you will need to create a slight incline. When matched to the angle and proportions of other rooflines on the house your gable roof will add visual interest and character to the home making the addition look like an asset that belongs with the house. Flat roofs are always built at a slight incline at least 1 8 inch per foot.

The rise or height of the roof at its peak is the altitude of the triangle.