If applied to a porous surface like masonry it will last longer than when applied to less porous surfaces, especially those subject to long hours of extremely hot sun. Narrow boat owners tend to do their re-coating every three to four years.
How long does Black Jack paint last?
Store in original container in cool dry conditions. Keep away from sources of ignition. 24 months from date of manufacture in tightly sealed, undamaged containers.
Does Black Jack bitumen paint dry hard?
Apply by brush or spray. A minimum of two coats of EVERBUILD® BLACK JACK® 901 BLACK BITUMEN PAINT should be applied. The first coat should be allowed to dry (normally 2-4 hours depending on weather conditions) before the second coat is applied.
Is bitumen paint waterproof?
Bitumen Paint is an economical anti-corrosive, and protective solution on a wide range of common building materials especially iron, steel, timber and concrete, fibre reinforced cement panels & masonry. It produces a flexible quick drying coating which is waterproof, weatherproof and corrosion resistant.
Can you paint over black jack DPM?
A horizontal strip running 300mm deep should be left uncoated at the top running the whole length of the wall. … When the final coat has thoroughly dried, the wall should be re-plastered. DECORATING. Gloss paints and other oil or alkyd based paints must not be used over a surface treated with BLACK JACK DPM.
Does bitumen paint crack?
Bitumen used as paint isn’t prone to peeling off, and it sticks the surface of the substrate together. It lasts extremely well out of the sun, and well in the sun when on a firm porous surface such as masonry. When it has no hard immovable substrate under it it tends to crack & split over time.
Does bitumen dry hard?
Most bitumen paints are dry in two to four hours. … Bond It BITUMEN PAINT is used for the protection of ferrous and non-ferrous metals, concrete, roofing felt, fibre/cement, corrugated iron, asphalt and wood, against water.
How do you thin black bitumen paint?
Porous surfaces should have a coat of the bitumen paint, thinned 20% by volume using Firwood 114 Thinners applied prior to painting.
How do you remove bitumen paint?
Mechanical removal is the only effective way to remove bitumen. However, this may still leave small amounts of residue on the top surface of the concrete and can leave the surface in need of smoothing, etc.
Is bitumen paint dangerous?
Flammable (R10). Harmful, may cause lung damage if swallowed (R65). Toxic to aquatic organisms, may cause long term adverse effects in the aquatic environment (R51/53). Repeated exposure may cause skin dryness or cracking (R66).
Can you render over black jack?
The render will not adhere to the blackjack unless it had kiln dried sand thrown at it whilst still wet to provide a decent key. I would dry line using metal framing which is cheap and easy, then either board and skim, or moisture Resistant boards, then tape and fill.
Is Black Jack paintable?
It gently self-levels and smooths itself out, plus puddling in any divots or cracks, which is of course exactly what you want, to keep water from ponding or seeping in. 3) unless you have actual leaks or holes in your roof, you don’t have to paint over every seam with rubber patch sealant first like Gaco advises.
Can I use black jack on wood?
It is resistant to low concentrations of alkalis and acids and can withstand prolonged oxidation. It is suitable for application to a wide variety of materials including iron and steel, lead, zinc, aluminium, asbestos – cement, concrete, stone, wood, felt and brick and is mainly used for : … Overcoating felt/wood.