If there is morning dew on the dry primer surface should I wait for it to dry out before applying solar paint?

Surfaces must be dry,these are solvent based products,the curing process allows evaporatIon of the solvent.

Can this primer be used for gazebo wood roof then apply the master bitumens all weather roofing compound

Yes you can apply it to your gazebo roof and then apply two coats of “all weather roofing compound” after around 4 weeks paint an solar Aluminium paint over the “all weather roofing compound” as this will give a good protection against UV light and prolong the life of the roof

What is the recommended Sq2 coverage per 5 Litres

Up to around 50m2 depending on how porous the substrate is (4-6m2 per litre on porous surfaces) up to (10m2 on non porous) all information is there to read on the listing if you scroll to (Description)

is this available in a different colour or if not, can it be painted a different colour?

This is a bituminous based BLACK primer and is used to seal the surface before applying another bituminous based coating,there is a chance the Bitumen could bleed through certain paints so it is advisable to speak with the other paint manufacturer your using for a different colour

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🖤 Prime like a pro, seal like a boss.

RAPID DRYING FORMULA - Get your project moving fast with a primer that dries in record time.
UNIVERSAL BITUMEN BOND - Seamlessly primes all bituminous coatings for flawless finishes every time.
VERSATILE SURFACE MASTERY - Perfect adhesion on concrete, metal, wood, and asphalt—one primer to rule them all.
PRO GRADE WEATHER RESISTANCE - Engineered to prep weathered corrugated iron and steel for long-lasting durability.
MAXIMIZED COVERAGE EFFICIENCY - Covers up to 10 m² per litre on smooth surfaces, saving you time and money.

The 5 Litre ROOF Bitumen Primer by MB is a fast-drying, black matte primer designed to prepare a wide range of porous and non-porous surfaces—including concrete, metal, wood, and asphalt—for bituminous coatings and flashing tape systems. With coverage up to 10 square meters per litre and compatibility with all bituminous paints, it ensures superior adhesion and weather resistance, making it an essential foundation for durable roofing and surface protection projects.

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RM501

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Manufacturer	MB
Part Number	9BPRI00500
Product Dimensions	17.8 x 17.8 x 23.2 cm; 4.56 kg
Manufacturer reference	9BPRI00500
Size	5 l (Pack of 1)
Colour	Black
Finish	Flatt / Matte
Volume	5 Litres
Item Package Quantity	1
Coverage	6-10 square metres per litre
Special Features	Fast-Drying
Usage	priming porous surfaces before applying bituminous coatings Exterior
Included Components	Brush
Batteries included?	No
Batteries Required?	No
Item Weight	4.56 kg

5 Litre ROOF Bitumen Primer

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