Bump Out Roof Design

The front of the a frame is all windows.

Bump out roof design.

You d want some footings supporting it which would add cost but i agree it would look nicer. You can cantilever from 2x8 joists a maximum distance of 29 inches. Generally bump outs can be cantilevered a distance equal to four times the size depth of the floor joists. You could raise up the roof just over the bump out area not the porch.

There is an additional bump out. So if your existing joists are 2x8s 7 1 4 in. For example a 2x8 joist has a depth of 7 1 4 inches. Check with your building inspector.

It sounds farfetched but a bump out addition is a clever secure and economical way to add on says curt schultz a realtor architect builder in pasadena calif. They put in a garden window. Outside 7 1 4 x 4 29. If your house s finished floor is above the grade of the landscape outside your contractor can build a bump out of up to about 3 feet deep and as long as 10 to 12 feet.

When you choose to cantilever a bump out the dimensions of your house s joists dictate the depth of the bump out. A bump out addition is a great way to expand a small bathroom without messing with other nearby rooms. It s worth the added room. Deep the new joists can extend 29 in.

For the underneath you can build an enclosure of cinder block under the bump out and then brick over it. An a frame cuts off a lot of the height so adding the shed roof area gives a lot more usable space. Floor joists can typically cantilever up to four times their depth. There is also a bump out closet.

Cantilevered bump out distance is limited by the size of the floor joists.