In decking over a roof fhb 246 emanuel silva shows how to build such a structure.
How to repair an exising roof top porch.
You have to do it thoroughly so that the rafters sit flush on it.
After that to make it flush with the roof of the existing house cut the two outer rafters.
It s pitched 1 4 inch per foot but without a spirit level you can t really tell.
Here i show how to get the design right.
Brace the existing porch roof if necessary.
Repairing porch corners on a porch with changes of direction for example on a verandah that turns a corner and continues on a second side of the house cut the boards where they meet along a diagonal.
Installation requires existing deck posts or walls for attaching the screen frames.
Draw a line around the column about 2 inches above the rotted area and install a temporary brace under the deck porch or roof.
There are two classic join patterns.
Repeat this procedure so that all the columns look exactly the same and have the same dimensions.
If built properly the porch structure is substantial enough to support outdoor living space above so why not take advantage of it and build a rooftop deck.
The views however are often better from the porch roof.
Costs increase substantially when additional construction is necessary such as the need to build a roof over an.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
This wooden deck was built over her screen porch and on top of a flat roof.
Miter joints shown at top and herringbone joints bottom.
Years of neglect and lack of gutter coverage above the deck had destroyed not only the deck but a window and the sidewall as well.
To safely install a roof deck the roof needs to be able to support about 55 pounds of weight per square foot in general.
Many wooden front porches are connected to the wall of the house at the roof line so if the porch will retain its original roof brace the roof.
It s not really flat.
Faux stone concrete piers were still plumb and in good condition there was a concrete support at the termination of the stairs and the porch roof and ceiling were sound thanks to shingles that had been maintained through the years.
However they found some good news too.
However this calculation can vary depending upon what you plan on.