Tie In Roof Lines

As it turned out the existing roof structure is a truss system but they were able to contact the original truss manufacturer to verify that cutting the tails off would not jeopardize the structural integrity of.

Tie in roof lines.

After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. How to tie building roof systems into one another. To tie the design together peter chose to cut the rafter tails off the extend the exterior wall up to the underside of the new roof. By doing this method you will have a clean finish that is connected to the wall line.

Then it was just a matter of marking and cutting the miter for one side and flipping the cut off scrap over and cutting it to length for the other side. To tie into the side of an existing roof put a new roof truss on the walls of the addition brace it upright then snap chalklines on the shingles to mark the center line of the new roof valleys where old and new roofs will connect. Up from the valley center and cut through the shingles and underlayment. You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter.

Because the level cut on the jacks would be so long we added 2x4 sleepers inside the 2x8s for a more complete bearing. After that cut the rafters back to the wall line. Building an addition on a house requires connecting two roofs whether the new space is a wing of living areas or a carport. The back channel is connected to the rafter directly and reinforced.

The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.