Slates are laid on the battens in a brick bond pattern i e.
Laying a slate roof.
Another name for the margin is the exposure.
The top part of each slate is covered by two slates the centre of the slate of the next row and the lower part of the slate above that.
Your price will be on the lower end if you use recycled slates or reinstall your own.
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.
So first find the pattern and then drill holes on the slate roof tiles.
Ventilated slate ridges again install furring strips on both sides of ridge opening before slating roof.
This layout gives a double lap covering i e.
Read about how to install starter courses take a look at common contractor errors watch some video clips read about drip edges and cant strips if necessary look at some of the nuances that may be pertinent to your installation such as cleats on aprons cleats on.
Roll a low profile plastic ridge vent material owens corning ventsure shown above over the furring strips.
Understand headlap read about the common mistakes people make when installing slate roofs.
3 before you start do your homework.
Drill the slate roofing slate tiles.
A slate roof can cost from 12 to 40 per square foot according to websites and roofers i consulted.
To install slate roof tiles correctly you ll need to stagger each course so the proper headlap which should be at least 3 inches for moisture protection is established.
No aluminum drip edges as are commonly used on asphalt shingle roofs are needed on slate roofs when measuring for the starter slate and the first row allow for the slate to hang beyond the drip.
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.
The place of drilling on slate tile depends upon the pattern you are going to make.
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.
Start from the bottom of the roof and work your way up staggering the joints between courses by a minimum of 1 inches.
You can also consult the slate tile manufacturer regarding nail placing point on slate.