The exposure on the first course of slate must instead be dropped to 7 inches in order to create the 3 inch headlap on the starter course.
Setting out slate roof tiles.
Alternatively you could use a 12 inch high starter slate thereby guaranteeing a 3 5 inch headlap on the starter course and an 8 5 inch exposure on all field slates.
Locate the centre point of the eaves and centre the first under eaves slate.
Work towards both verges with the remaining under eaves slates.
Just short of the centre of the gutter.
Building paper or self adhering bituminous membrane copper attachers and copper flashing.
Cut the second under eaves course from the same slate as the first course.
Margin this is the visible or exposed area of a slate from the bottom or tail of one slate up to the point the slate above overlaps it.
How to slate a roof http www fixmyroof co uk videos and guides pitched roof slate a roof this video shows you the basics of how to set out a roof for slat.
There is normally enough wiggle room here to close or open the gap from 3mm to space out slates in their horizontal axis when first laying out a slate roof for adjustment purposes.
Position the first roll of underlayment at one side of the roof perpendicular to the lower edge the eave of the roof.
Just sweep or vacuum a slate floor regularly.
Another name for the margin is the exposure.
Slate and tile are so durable that they often outlast the underlayment and fasteners.
Lay the first full slate over the top of this under eaves slate and cut the slates on both verges to the same width.
Set the last batten at the ridge so that the ridge tiles will overlap the top course of tiles by at least 75mm.
Then determine the position of the highest batten at the top typically the top of the uppermost row of slates tiles.
So when repairing or replacing these roofs prolong the life of the installation by using heavy underlayment 30 lb.
Choose from single color slate or from multi colored tiles with warm reds and golds over a darker background.
Measure between the top of the top batten and the top of.
Setting out up the roof gauge set the first batten at eaves to allow the tails of the eaves course tiles to overhang the fascia by 40 to 45mm ie.
