Your question: How long does it take Black Jack to dry?

How long does it take for Black Jack all weather roof cement to dry?

Use proper protection and adequate ventila- tion, when using product. Cure Time (at recommended coverage rate) 4-8 hours to set, 24-48 hrs. to cure depending on surface and weather.

Can you use black jack in the rain?

Black Jack all weather roof coating is an effective, general-purpose roof coating. It is resistant to wash off by rain almost immediately after its application and is therefore ideally suited for winter use.

How many coats are there in blackjack?


The surface should be sound and free from dust, dirt and grease. Hot, very dry or absorbent surfaces should be dampened with water. Apply two coats of BLACK JACK DPM each at a rate of 0.5litre/m2.

Can you paint over black jack paint?

As the blackjack paint is rubber enriched bitumen emulsion it may bleed through other paints so i would also recommend a primer coat of paint before painting with masonry.

How long does it take roof cement to dry?

How Long Does It Take Roofing Cement to Dry? Drying time varies depending on materials and weather conditions, but the average drying time is 12 hours. For a complete cure, allow 24 hours.

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How do you use All Weather roofing on Black Jack?

Apply 2 coats of Black Jack roof coating with a brush, allowing the first coat to dry before the second. First, remove loose chippings. If there are any defects wider than 0.75mm, fill in first with Bitumen Mastic and allow to dry. Any blisters should be opened and cleaned.

How do you thin a cement roof?

Write down the ratio, and mix in the appropriate amount of water to the tar bucket. For example, if you determine that you need 1 cup of roofing tar to 3/4 cups of water, your ratio is 1 to 0.75, (or 4 to 3) and you’ll put in 3/4 as much water into the mix as you do roofing tar, or 4 parts tar to 3 parts water.

Can you use black jack on wood?

Black Jack Black Bitumen Paint is ideal for use on a wide variety of surfaces including iron and steel, lead zinc, aluminium, asbestos-cement, concrete structures, stone, concrete roofing, felt, fibre cement, asphalt and wood to prevent damage from water attack.

Can you plaster over blackjack?

You shouldn’t dot and dab over sythapruf (blackjack). It is designed to be wet plastered over – so that is what you should do.

Is Black Jack Roof coating good?

It expands and contracts up to 300% with the roof’s movement to resist damage. The coating provides an excellent, highly protective barrier which reflects the sun’s heat and destructive UV rays. In turn, this helps to cool surfaces and leads to a reduction of interior temperatures.

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