Poly Roof National
Swienty Polystyrene Roof for National Hives. Polystyrene 45mm thick, density 100g/litre.
Paint with Sandex Masonry Paint on the outside to prolong the life expectancy of the hive for up to 30 years. The poly hive parts are inter changeable/compatible with National wooden hive parts.
The poly roof design is now denser and thicker than previous versions and the colour of the polystyrene is a very light grey.