The more overhang the further away water will puddle at the base of your shed.
Shed roof detail.
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Roofs that are 4 12 or less should have ties no higher than the distance from the top plate to the ridge board.
When re roofing your shed roof you should make sure you have the proper ventilation to maximize the life of the roof.
Freezing and thawing can wreck absolute havoc on a shed roof if it doesn t have felt paper and drip edge installed.
If your shed roof is flat or has a pitch of 18 degrees or less consider building a green roof on it.
The easiest way to accomplish this is by using smartvent as an off wall shed exhaust ventilating the shed roof without removing the existing flashing and siding off of the shed wall means one less hassle and one less chance of having the expense to replace the wall siding and losing the bid.
Whereas a hip roof and other popular roof types have at least two sides the shed roof has a single slope that can vary in steepness depending on the design.
Think of a shed roof as a flat roof at a steeper slope.
This involves covering the roof in epdm and then adding a frame that can be filled with soil and planted with a mix of grass and flower seeds.
When framing the roof consider how much overhang you want off the edge of your shed.
You can also think of it as one half of a traditional gable roof.
The underlayment will mostly rot over a period of time and you will be looking at an expense of replacing or repairing your roof.