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Eliminates the angle of creep and allows slates to be laid on a roof with a pitch as low as 12 degrees. Improves the ventilation of the roof through the slates when used with a breather membrane. Cushions the slates and reduces breakage. 600mm long & 100 per box. 3mtr long & 10 lengths per pack. Download fitting instructions (pdf) |
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"The Permavent Easy Slate system significantly improves the resistance of both natural and fibre cement slates to wind driven rain."
BRE (Building research establishment - Test report 273-259)
