Place pressure treated posts in ground below frost line or on top of concrete pillars.
Flasing for building lean to metal roof.
Use right size of rafters and headers.
Any water runoff will flow off of the main roof and hit the lean to at an angle to prevent pooling and flooding in the lean to.
The preferred spot would place the lean to under the overhanging roof of the existing building.
Flashing should be purchased that fits over the principles along with water tight.
It s very important to make sure that you grab the z channel that s below and make sure that you re in the outside leg of the z channel.
Screw it in with a drill and nails.
Space rafters either 16 o c.
For shingles or 24 o c.
While there are premade flashing pieces you can purchase many roofing professionals will cut their own roof flashing from sheet metal.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
However the principles are the s.
You will also need a large garbage can a jigsaw or power metal shear a staple gun a drill and assorted drill bits 1 inch roofing nails metal roofing screws and self drilling self sealing wood screws.
When attaching ledger board to an existing wall install proper flashing when required.
With the end wall flashing in place i use stitch screws to attach it to the z trim and to the gable trim.
Design lean to roof per your local building codes.
Determine where the lean to will be attached to the existing building.
They ll use tinning snips to cut the sheets and bend them to the exact size they need while on the roof.
How to install flashing on lean to roof threetab shingles install a sealant while one install metal and chimneys especially if you install metal roofing professionals occasionally use nails and leaking underneath the siding roofers started to build a lean to a leanto roof decking and galvanized steel or a kickout.
It is a good idea to build a lean to roof that will give a good look to the exterior area of your house and also help utilize this space.
You will most likely have to order the roofing metal in the amount and color specific to your house.