The straight cut boards overlap, allowing natural movement of the timber so it can adapt to the changing weather conditions. The roof is made from hard wearing sheet material, finished with black sand felt. Rather than the more common OSB, this shed features a pressure treated solid timber floor. Its superior strength allows for the storage of heavier items like lawnmowers or bags of compost.This shed is supplied with a 10 year Anti-Rot guarantee, annual retreatment is required. This great value garden shed is manufactured in the UK using FSC certified timberfrom sustainable sources and comes with all fixtures, fittings and felt needed to build, along with easy to follow instructions.