AXEL ROOFGUARD 800 is a one component, polymeric resin based roof primer specially formulated for various type of roof tiles surface. It is incorporated with an excellent biocide and U.V. stabilizer for extra protection. AXEL ROOFGUARD 800 also helps to prevent deteriorating and suffering from various rust failures, adding beauty to re-coated roofs while also waterproofing, stopping leaks and preventing algae and fungal attacks.