How To Tie In A Flat Roof With A Shingle Roof
Here is an attempt though maybe not a very good one to make the roof flashing serve also as a through the wall flashing with a tile roof.
How to tie in a flat roof with a shingle roof. Ensure it sits flat and extends at least 8 inches above the shingles. String the line along the top of the frame until it meets the shingle roof. Flashing and more roofing compound are used to weatherproof the. After this roofing cement is applied around the complete area and then the missing tiles are replaced.
A very important detail is where the flat roof is connecting the pitch roof. 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. 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. 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.
Step 4 tie the roof in. 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. 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. 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.
Up from the valley center and cut through the shingles and underlayment. Legacy flat roofing sheet metal 45 734 views. Flat roof and shingle roof tie in strathroy ontario legacy flat roofing sheet metal duration. The roofing cement will resist possible leaks overnight.
After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in. Bend the corner flashing tightly around the corner. The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley. Step flashing on roof peak.
Roof shingle over step flashing.