This is a particular case when laying ridge tiles, with the difference that the intersection planes are not horizontal.

When doing this particular part of the roof, tiles are mechanically cut obliquely.

To get a proper shape, two more pieces must be used – the starter ridge tile and the 3-way apex.

Before starting the laying of the ridge tiles, the space where they will be applied must be measured, so as to avoid the placement of the a ridge tile next to the 3-way apex, as the following pictures show.