If repair is not possible and a new slate roof must be installed it is important to remember that more than just the replacement of the slate is involved.
Old slate roof installation.
Slate roof installation guide 1 construct the roof properly.
4 have the correct tools.
A new kind of rubber slate is applied to the roof and the crew brings the spa down on a special plywood ramp then carefully places it in the turret for ins.
Slating terms and phrases if you are not a seasoned roofer some of the terms used for slates batten spacing or overlapping of the slates can add to the confusion.
Read about the common mistakes people make when installing.
For a basic project in zip code 47474 with 120 square feet the cost to install a slate roof starts at 12 54 17 17 per square foot.
Roof pitch the angle of a roof not only determines what slates to use but the amount of overlap that the slate roof needs to remain waterproof.
A slate roof can cost from 12 to 40 per square foot according to websites and roofers i consulted.
Actual costs will depend on job size conditions and options.
The old slate should be removed to prevent overloading of the roof timbers.
Assume all elements of the roof assembly must last and function for at least 150 years.