Technical Guideline for a 18 feet (5.3 metres) width Polytunnel Kit

ITEM	MATERIAL	DIAMETER
Ground Tube	Steel Galvanised 0.7m Length	45 mm
Main Hoop	Steel Galvanised BS Z35 High Tensile	50 mm
Diagonal Wind Brace	Steel Galvanised BS Z35 High Tensile	32 mm
Ridge Tube	Steel Galvanised BS Z35 High Tensile	32 mm
Ridge Wind Brace	Steel Galvanised BS Z35 High Tensile	32 mm
Vertical Wind Brace	Steel Galvanised BS Z35 High Tensile	32 mm
Crossover	Steel Galvanised BS	32 / 50 mm
Clips	Steel Galvanised BS	32 mm & 50 mm
Ground Wind Brace Strap	Steel Galvanised BS

MEASUREMENTS	FEET	METRES
Width,one side of the hoop to the other	18 feet	5.53 metres
Framework spacing	8 feet	2.46 metres
Central inside height	9 feet 6inches	2.92 metres
Straight side	3 feet 3 inches	1.00 metre
Head room, at the side of polytunnel	5 feet 10 inches	1.79 metres
Door opening recommended [ minimum ]	6 - 8 feet	2.46 metres
Mainframe hoop overall, one side to the other	30 feet 9 inches	9.46 metres

LENGTHS OF POLYTUNNELS	FEET	METRES
Seven feet frame work spacing	21 Feet	6.5 metres
up to	84 Feet	25.8 metres
Eight feet framework spacing	24 Feet	7.3 metres
up to	96 Feet	29.5 metres