Roofing Screws a.b.e.® Construction Chemicals‘ range of Waterproofing Products for Roofing Screws consists of: bituseal® plasticbituseal® plastic is a heavy duty biumen mastic sealer and compound and may be use to seal most roofing defects.super laycryl® - professional waterproofing compound with 10 year product guaranteesuper laycryl® is a highly flexible bitumen/acrylic liquid applied emulsion used together with an abe® membrane. No need for separate primers or coats.super laykold® spray & seal®super laykold® spray & seal® is a solvent based, rubberised waterproofing compound that can be spray applied. Eco friendly, low odour. Fills cracks and voids.super laykold® tapesuper laykold® tape is a bitumen aluminium self-adhesive waterproofing tape (peel and stick). Self adhesive to metal, plastics, primed concrete and self.abe® membraneabe® membrane product information and technical datasheet Additional Information Conversion Tables Formulae Trigonometry Tables Heath & Safety