How do you tie a new roof to an existing roof?

How do you join two roofs together?

How to Join the Roof Pitches?

  1. Step 1 – Preparing the Area. …
  2. Step 2 – Measuring the Length of the Joined Area. …
  3. Step 3 – Prepare a Piece of Flashing Material. …
  4. Step 4 – Place the Flashing on the Meeting Point. …
  5. Step 5 – Sealing the Edges of The Roof with Lumber. …
  6. Step 6 – Apply a Bead of the Sealant Material.

Can you add eaves to an existing roof?

A roof overhang protects the building under it from rain and weather, and if your house doesn’t have one, adding an overhang is not an especially difficult construction job. Framing a new overhang is straightforward, but blending the new overhang seamlessly into the existing roof requires some effort and expense.

How do you attach a roof ledger to a house?

Attach the ledger with 1/2-inch-diameter lag screws or bolts every 16 inches (or as specified by local building codes). Slip stainless-steel washers between the ledger and the siding to allow water to flow behind the ledger. If you can’t get behind the joist to cinch down nuts, use lag screws.

How much does it cost to extend your roof?

It typically costs between $15,000 to $125,000 or more to raise a roof on your home. Get quotes from local contractors for the best estimate. Raising a roof is a significant investment that can dramatically increase living space in your home, improve or customize the way it looks and even prevent weather damage.

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Is it possible to extend roof overhang?

To extend the overhang of your roof, you will need to provide plenty of underlying support. … Be sure to cut your rafter tail extensions about three times the length of the final overhang that you plan to add. You should also be sure the lumber you use is the same size as your home’s existing rafters.