Aluminum is fairly strong but the main benefit here is how lightweight it is.
How to slate a roof with hooks.
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.
Stainless steel slate hook s offer a more reliable alternative than copper strips for holding replacement slates in place.
Ladder or roof hooks allow a ladder to be hooked over the ridge of a roof.
Copper slate hooks per pound.
The top edge of the slate is gripped under the top part of the hook.
A hook ladder chicken ladder or roof ladder enables a person to work safely on a steep roof without walking on and breaking the roof slates or tiles underneath them.
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.
This means that each slate is held in place by four hooks.
A video explaining the merits of hook fixing natural roofing slate.
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.
Some roof ladder hooks are made of aluminum.
One at the head one at the tail and one on each side.
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This alternative slate roof fix procedure uses 3 stainless steel slate hooks distributed by vermont structural slate and possibly other companies.
This gives them plenty of strength to hold the ladder securely in place with your weight on it.
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.
Most roof ladder hooks are made of steel.