You can find cone calculators online.
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.
Next take one of the far corners and roll it into the center so the paper s edge is touching the middle of the triangle.
You ll follow the same process of wetting the paper to make the roof.
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.
I used aluminum sheet coil but you could use paper or any flat material.
When installing the felt paper over a stack it s ok to make an oversize hole.
Continue to make more lines.
The main purpose of the underlayment is waterproofing.
Leave the house out to dry in the sun.
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.
Lay out the lumber flat on the ground touching each other along the long edges.
Section of self stick underlayment cut a hole in it slightly smaller than the diameter of the stack and slide it over the stack.
Push them against a straight edge to make sure the bases line up.
To make a funnel or cone from paper start by tracing a wide triangle onto a sheet of paper.
The roof on this cement block house was made of wood and corrugated iron.
To make a truly round roof in metal you need eitehr tapered panels or some of the metal panels will work.
Place them to form a square that is missing one side.
Make sure the two shorter sides are the exact same length then cut the triangle out.
Here is one way to make a cone from flat stock.
Lay out the lumber.
Make sure the piece is large enough so that the next row of.
Make 3 more little lines out of the wet paper.
If you segment the roof into a bunch of pie shapes though you can use other panels as well.
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.