BMI Redland Half Round Gas Ventilation Ridge 450mm 7241
They can be dry fixed, mortar bedded only or mortar bedded and mechanically fixed. When ridge tiles are mortar bedded & mechanically fixed, use Clamping Plates and woodscrews, complete with neoprene washers and foam grommets. A 6 mm diameter hole should be carefully drilled centrally in each ridge tile.






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