The roof needs to be tied in by lifting up some of the original tiles on the existing roof and then allowing the flat roof to run slightly underneath.
How to tie in a flat roof with a shingle roof.
Armourfix and armourvalley membranes must be installed and extended 60 90 cm up the main roof underneath the shingles in order to assure a waterproof connection.
Nail it in place with two nails one on each side of the top edge.
After this roofing cement is applied around the complete area and then the missing tiles are replaced.
The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.
Roof shingle over step flashing.
Step flashing on roof peak.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
Hold the end of a chalk line at one of the outermost top corners of the carport roof frame.
Flat roof and shingle roof tie in strathroy ontario legacy flat roofing sheet metal duration.
The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high.
A very important detail is where the flat roof is connecting the pitch roof.
Up from the valley center and cut through the shingles and underlayment.
String the line along the top of the frame until it meets the shingle roof.
Ensure it sits flat and extends at least 8 inches above the shingles.
If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate.
Step 4 tie the roof in.
Flashing and more roofing compound are used to weatherproof the.
After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.
The starter strip and first row of shingles must be applied 25 cm from the bottom of the slope roof or main roof above the slope transition.
Bend the corner flashing tightly around the corner.
On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below.