Limited Stock Available. Space. We believe that the CLIFTON sheds are probably the best looking metal sheds on the market. We have carefully checked CLIFTON s INSIDE floor measurements with competitive makes to find that the CLIFTON 10 x 8 & 10 x 10 provide MORE INSIDE floor space of 7.6 & 8.8 respectively. in addition, the CLIFTON sheds feature a generous 165cm wall height thus giving more headroom at 197cm from base to underneath the centre roof beam.. Strength. Most Important The deep roll-formed wall & roof panels provide unique strength unlike shallow formed clad sheds.. Base. Please ensure that when you build your concrete or flagstone base to insert a strong plastic membrane BELOW the concrete or flagstones to prevent rising damp. Build your base NO more than 30mm larger all round than the BASE measurements given below under TECHNICAL INFORMATION to allow rainwater discharging proud off your base at the sides of the CLIFTON.. Instructions. Comprehensive, illustrat