Setting Out A Roof For Slating

Installation when laying out a roof in preparation for slating it chalk lines across the entire roof area marking the top edge of every row of slate.

Setting out a roof for slating.

This is also the lathing gauge for that course. Lay the first full slate over the top of this under eaves slate and cut the slates on both verges to the same width. Cut the second under eaves course from the same slate as the first course. Work towards both verges with the remaining under eaves slates.

When slating with a shallow pitch a wide slate is highly recommended for maximum side lap or lateral lap side overlaps. The width of the first course slates was 12 a very heavy thick slate to cut. Alternatively the fascia board can be raised slightly in order to raise the bottom of the starter course. Generally speaking 20degrees is the lowest advisable pitch for a slate roof depending on the size of the slates and how much that the roof is exposed to moderate weather conditions.

Locate the centre point of the eaves and centre the first under eaves slate. The gutter will be formed in cast aluminium. First courses of slating on the main roof note the undereaves slates fitted upside down to form a drip with the first course slates. The building will have an exposed timber eaves.

Measure between the top of the top batten and the top of. You should have all of these tools plus a nail belt chalk line utility knife and a collection of ladders. The first thing to do is work out the slate exposure as you would for normal slating the length of the slate minus the headlap divided by 2 the exposure. Roof jacks nail to the roof deck to create a platform to work from.

Start by establishing the position for the lowest batten for the slates tiles on the roof allow for the overhang of.