Black Jack bitumen roofing emulsion is a stable bitumen/water emulsion of medium brushing consistency. It is dark brown in colour and dries to a black, flexible coating, which is odour and taint free. It is specifically designed for overcoating leaking roofs. Coverage ...Read More
Black Jack bitumen roofing emulsion is a stable bitumen/water emulsion of medium brushing consistency. It is dark brown in colour and dries to a black, flexible coating, which is odour and taint free. It is specifically designed for overcoating leaking roofs.
Coverage
1.25m² per litre per coat depending on porosity of substrate. Two coat give a dried film of approximately 0.9mm.
Application
Stir well before use.
Apply by brush in a minimum of 2 coats at a rate of ¾ of a litre per square meter. Apply coats at right angles to each other allowing 24 hours between coats. Black Jack bitumen roofing emulsion may be applied to damp surfaces although coating and surface must be able to dry before the emulsion will cure to a waterproof film. For maximum strength, durability and flexibility, the second coat can be reinforced with an open woven glass fibre membrane.
Surface preparation
No roof-coating product can be expected to repair an existing roof, which is not structurally sound and stable. Before using a surface coating the roof structure should be inspected and, if necessary, put in order. All cracked, broken, slipped or missing slates, tiles, sheets or other forms of covering should be replaced or re-fixed and cracks in felt or asphalt filled. (Safety Recommendation: do not coat roof lights, windows, glass or translucent sheets. These will constitute a hidden hazard if disguised).
Preparation of the surface is of great importance and will influence the degree of adhesion and life of the renovation. All roof surfaces to be coated should be sound, stable, clean, i.e. free from loose debris, dirt, dust and grease. All traces of algae and fungi growth should be removed using a stiff-bristled brush. Where algae and fungi have been present, remove them completely and treat the surface with Everbuild fungicidal wash to kill any remaining spores, thereby discouraging the return of the growths.
Prime with Black Jack bitumen & flashing primer and allow to dry.
Storage
Store in original container in cool dry conditions.
Protect from frost.
Shelf life
24 months from date of manufacture when stored according to manufacturers instructions.
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