A roof supporting beam that runs from top to bottom down the slope.
A roof supporting beam that runs horizontally, sometimes supporting rafters or
running between them.
Joins two sheets of polycarbonate together.
Acts as a rafter as well, needing no additional support.
Needs to sit on a timber support.
A bar used on the sides to finish off with polycarbonate on one side only.
Sometimes an adapted main bar and not always available from every manufacturer.
Upvc Edge trim /F section
Converts a main snap down bar into an edge bar.
Used instead of an edge bar. Useful with its leg that can be used down or up if against a wall. Plastic or aluminium depending on thickness.
Put on the bottom of the sheet allowing air in and out of the flutes as it expands and contracts while keeping dust and insects out.
Plastic U section with a drip that protects the breather tape and stops water running up the underside of the sheet.