“Essentially, the contractor will construct the dormer frame at the same time they construct the primary roof structure,” he says. They’ll have to apply sheathing to both the outside dormer ...

In theory you could add a dormer extension to any type of single or double pitched roof, says George Omalianakis. ‘Typically you need no additional foundations, the frame of the dormer tends to ...

If it’s a retrofit, an engineer must design the reconfiguration of the rafters necessary to support and install the new dormer. Framing contractors will construct the frame of the dormer at the ...