Our slates are usually delivered on a Six Wheeled Lorry (11m Long & 2.4m Wide) with a Tail-Lift facility to off-load on solid level ground with a Pump Truck. Non compliance to delivery restrictions may result in additional Delivery Charges.Should you specifically require Crane Off-Load or small vehicle please notify us at the time of ordering, as an additional charge may be incurred. Features Adronit, with its smooth finish and square cut edges offers an elegant finish for your roof. Ardonit smooth is available in an attractive blue-black colour. Ardonit smooth slates conform to the strongest class, class B, in accordance with the European Norm EN 492. The SVK Ardonit smooth being the market leader in its strength, durability and appearance makes it the best choice for all types of projects. SVK offer a manufacturers backed 30 year structural stability guarantee and a 10 year manufacturer colour guarantee. Please note Ardonit smooth is the new name for the old Vertessa slates. Delivery Notes - Our slates are typically delivered on a six-wheeled lorry (11m long & 2.4m wide) with a tail-lift facility to offload on solid, level ground with a pump truck.Non-compliance to delivery restrictions may result in additional delivery charges. Should you specifically require a crane or small vehicle offload, please notify us at the time of placing the order, as an additional charge may be incurred. Please allow 5% extra in the ordered quantity to cover acceptable breakage in transporting natural slate products