Nail Down Slate Roofing

Water can enter the roof space if slates have been badly selected and laid.

Nail down slate roofing.

For example if the coverage or overlap isn t great enough to stop wind driven rain getting in. Corrosion resistant to ensure they last over time and for use where strong joints are required. As before natural slates and stone slates the head diameter should be not less than 10mm nails can be copper or aluminium and achieve 20 22mm penetration into batten. The nail hole location about half way down the slate length makes the ability of the nail to resist wind uplift forces that much better than if located close to the head.

However being close to the centre makes it vulnerable to water seeping sideways from the side lap of the slates above. Metabo hpt was hitachi power tools 1 1 2 in 15 degree pneumatic roofing nails 7200 count item 688875. When replacing sections of slate or slatelike materials alternate slate courses with strips of 30 lb. If your property starts to regularly lose roof tile it could be suffering from nail sickness.

The nails are available in smooth shank and ring shank. Most slate roofs use copper nails as they typically last longer than stainless steel and compatible with copper lead and lead coated copper flashings. Problems with a slate roof most commonly stem from slate sizes being selected badly impact damage and nail sickness. Nail sickness is a term used for a roofing problem caused by the natural deterioration of the nails holding the roof tiles in place.

A standard thick slate will require an 11 gauge nail where a thicker slate will require a 10 gauge copper nail. For pricing and availability. Then the nails are just driven down to the slate. Nails should be of a diameter and length appropriate to the thickness of the slates held down and the position of the slates on the roof.

For example larger slates are needed. Slate and tile are relatively brittle expensive. Used for fastening roofing felt for waterproofing or roofing tiles to metal. Metabo hpt was hitachi power tools 1 1 4 in 15 gauge electro galvanized steel pneumatic roofing nails 7200 count item 688873.

It s the bottom part of the slate the exposed face that should be held down against the roof when nailing. What does it mean if a slate roof is nail sick. Length of slate nails. The roof pitch should be at least 20 which is influenced by the length head lap and thickness of the slate.

11th may 2019 article. If the top drops against the roof.