Quick-drying bituminous bonding primer in a 500 ml spray can for activating and preparing substrates before applying bitumen roofing membranes or coatings. Fixes residual dust and loose particles and significantly improves adhesion — including on slightly damp surfaces. Also suitable as pretreatment for aluminium rainwater drains. Drying time approx. 30 minutes.

Contents: 500 ml (aerosol spray)
Colour: black
Fast-drying and deeply penetrating
For concrete, bitumen, metal and masonry substrates
Outdoor use on (flat) roofs

How to use

Clean the substrate of dust and grease.
Shake the can vigorously until the mixing ball is heard.
Apply one thin coat to a dry surface (± 30 cm distance).
Allow to dry for about 30 minutes before continuing.
After use, hold the can upside down and spray the valve for a few seconds.

Specifications