Order all-in-one gutter kits online. Plastic and zinc | In stock | Competitive price | Free shipment | Free returns | 10-year guarantee. We have been producing PVC plastic guttering, round down pipes and accessories since 1974. The gutter kits are easy to install and include instructions. In addition to plastic gutter kits, we also sell all-in-one zinc gutter kits. Zinc guttering looks attractive and is durable as well.