So if your existing joists are 2x8s 7 1 4 in.
Roof bump out.
That may be enough to add an eating area to your kitchen or a separate tub and shower to your master bathroom.
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.
Next both of.
On the roofpanel check extend slope downwardto extend the roof plane downward over a bumpout instead of creating.
To extend a roof plane down over a bumpout using the select objects tool select the front wall of the bumpout and click on the open object edit button to display.
A small rear bump out is put to maximum use by filling the curve with a built in banquette.
Storage is built in below the seating.
As small as 2 feet.
A tall peaked ceiling and lots of windows keep the space from feeling too tight.
There would be a step up on the roof that you d fill in with siding.
Floor joists can typically cantilever up to four times their depth.
For the underneath you can build an enclosure of cinder block under the bump out and then brick over it.
What causes bumps on your roof.
They look like they will be your typical hip style bay roof bump outs.
Lets start with the small random bumps on your roof.
Cantilevered bump out distance is limited by the size of the floor joists.
Most commonly know as nail pops these areas are caused by either a roofing nail not being driven all of the way in or one that gets driven in side ways and will hold the shingle up just slightly.
You could raise up the roof just over the bump out area not the porch.
Multiple things could cause these small raised sections.
Deep the new joists can extend 29 in.
You d want some footings supporting it which would add cost but i agree it would look nicer.
On the sloped vertical roof to wall tie ins there is nothing unusual about running standard baby tin step flashings under the shingles and flush to the wall as on any other vertical roof to wall junction.
Bump outs may extend as far as 10 to 15 feet from the house but they can also be tiny pop outs.