Fitting iko shnigles on a tuin pryramid log cabin or gazebo roof.
How to felt a hexagonal roof.
On the final course of shingles make sure that no more than 145mm 135mm for fish scale of the tab will be exposed once the detailing ridge material has.
The finishing brass finial was cobbled together from a doorknob and the base of a discarded brass vase.
Felt roof ridge measure the distance between the final courses of shingles on either side of the roof in order to ensure that there will be sufficient overlap of the ridge detailing membrane.
I used a plant pot to cover the finial and then felted it over.
The rest of the roof was fairly standard dpc plywood roofing felt then asphalt shingles.
Roofing felt comes in rolls that feature pre marked lines 2 to 3 inches from the top and bottom edges.
We have found the value of a which defines a point on the underside of the triangular panel directly under the roof s apex we know that when 2 planks meet at some angle the bevel will be the same right along the edge.
Unroll the felt so that the lines are facing upward.
Start at the bottom of one side of the roof at the right or left edge.