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Replacing an area of slate roof

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Replacing an area of slates

Remove the slates from the area needing replacement. Lift the slates in the row immediately above the highest ones needing replacement. Prop them up with wooden wedges and lift them two at a time. Work on removing the top course of tiles and work down to the course below and continue down the roof line as far as necessary.

Replace the slates by starting on the lowest course and hooking each slate over the batten by its nib. Check that you have lined the tile up correctly and it is centred directly between the two tiles immediately below it.

Finish each course by nailing the tops of the slates to the battens with galvanized or aluminium alloy nails. When you arrive at the top course of slates to be fitted, use the wooden wedges to lift the slates in the course above. Slide the new slates into position. Shift one of the wedges along and repeat the process along the top course.

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