Dams & Koi Ponds a.b.e.® Construction Chemicals‘ range of Waterproofing products for Dams & Koi Ponds consists of: super laykold®super laykold® is a rubberised bitumen emulsion that can be reinforced with abe® membrane to provide a seamless professional waterproofing system. duraflex®DIY waterproofing, watch how-to- video, download product information and view step-by-step leaflet. Additional Information Conversion Tables Formulae Trigonometry Tables Heath & Safety