Over Framing Roof

One of the keys to over roofing is to tie the air control layer of the roof assembly to the air control layer of the wall assembly.

Over framing roof.

Anyone with basic carpentry skills can build a roof over a mobile home. Measure your seat cuts. How to increase the pitch by building a roof over an existing roof use premade roof trusses. Roof framing can be simple or complex depending on the roof.

Add the length of the overhang beyond this mark and. Premade roofing trusses will be easier and take less time than installing a stick built roof. While you re at it some carpenters. For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule.

Usually you do not remove any part of the original roof which not only saves money but shortens the process and is a less unsettling process. You ll need to remove the siding where it meets the roof. You should be able. A 2 4 wall with a 2 6 rafter can be notched for a 4 seat.

Stick truss roof framing. A roof over a mobile home can also help prevent damage from falling tree limbs as well as cut down on the annoying noise of hearing heavy raindrops falling on the roof. The fully adhered membrane wrapped down over the cut back roof deck to tie into the wall water control layer and air control layer photograph 11. Nearly all roofs are framed using one of two methods.

Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option. Remove the top several levels to. Start by marking the plumb line the horizontal line that marks where the wall will meet the rafter.

Standard stick framing or the newer truss framing. Line up the square with the plumb line then rotate it 180 degrees realigning the square on the other side of the. On the gable ends this was pretty easy. However building the roof will be easier if there are two people working on the roof together.

How to install a roof over an existing roof. Position the square at the end of the rafter board with the tongue on your left and facing away from you.