This gives them plenty of strength to hold the ladder securely in place with your weight on it.
How to slate a roof with hooks.
This alternative slate roof fix procedure uses 3 stainless steel slate hooks distributed by vermont structural slate and possibly other companies.
Aluminum is fairly strong but the main benefit here is how lightweight it is.
Experienced slate installers never walk on a slate roof but instead erect scaffolding or prop hook ladders to the side of the building before beginning repairs.
Copper slate hooks per pound.
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.
Ladder or roof hooks allow a ladder to be hooked over the ridge of a roof.
This means that each slate is held in place by four hooks.
The shank of the hook runs down along the side of the slates in the next course and the return grip at the bottom of the hook holds the tail of the slate on top.
One at the head one at the tail and one on each side.
A video explaining the merits of hook fixing natural roofing slate.
The top edge of the slate is gripped under the top part of the hook.
Most roof ladder hooks are made of steel.
When laid it should be adequately tight fitting around the slate due account being taken of different slate thicknesses and variations in thickness for different slate types to avoid wind rattle and lateral drift.
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.
Some roof ladder hooks are made of aluminum.
The slate grip gap in the hook should be small enough to hold the slate securely but should not be so small that it would damage the slate.
Hook fixing is 25 to 50 faster than nailing creates less waste and safe guards against.