I used aluminum sheet coil but you could use paper or any flat material.
How to make a round roof out of paper.
The most common underlayment is roofing felt which is similar to tar paper but felt uses asphalt instead of tar.
The main purpose of the underlayment is waterproofing.
Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied.
Beginning at the bottom where you started with the sheathing roll the underlayment out flat going lengthwise across the sheathing.
Here is one way to make a cone from flat stock.
If you are using extra long roof supports place exactly half of the short pieces in between them to make sure the roof supports end up opposite each other.
You can find cone calculators online.
If you segment the roof into a bunch of pie shapes though you can use other panels as well.
Push them against a straight edge to make sure the bases line up.
The wood rotted out and i replaced it all with a domed cement roof the roof is intended to be used as sort of a mini park area so i made a stairway to get up onto it and a rebar trellis over it to provide shade for people and to help keep the house cooler.
Make sure the piece is large enough so that the next row of.
Lay out the lumber flat on the ground touching each other along the long edges.
Leave the house out to dry in the sun.
To make a funnel or cone from paper start by tracing a wide triangle onto a sheet of paper.
Make 3 more little lines out of the wet paper.
Place them to form a square that is missing one side.
The roof on this cement block house was made of wood and corrugated iron.
It improves look and uniformity because your roof deck might not lie perfectly straight or flat a layer of roof paper gives an even uniform surface upon which you can install your shingles.
You ll follow the same process of wetting the paper to make the roof.
But before you roll out the row of paper above the stack cut a 2 or 3 ft.
Structurally your options include putting the roof panels just over a framing system.
When installing the felt paper over a stack it s ok to make an oversize hole.
Make sure the two shorter sides are the exact same length then cut the triangle out.
Section of self stick underlayment cut a hole in it slightly smaller than the diameter of the stack and slide it over the stack.
Lay out the lumber.