Bituminous Membrane Primer - B PR 100

Bituminous Membrane Primer - B PR 100

B PR 100


B PR 100 is a ready to use primer for bituminous membranes that obtained by mixing water and bitumen by using special methods.

Fields of Application

It can be applied as a primer before the application of all brands of bitumen membranes or bitumen liquid systems.

Features and Benefits

Application Procedure

Preparation of Substrate

Application surface must be dry, clean and clean off materials which prevent bonding, such as dust, oil, rust and remove loose pieces. Sharp tips and horizontal/vertical joints which are suitable cracking should be chamfered with REPAMERK 1 or PH 55. Big pores and cracks should be filled with REPAMERK 301 repair mortar.

Application Method

B PR 100 should be applied as cold. It should be applied with grass brush, roller or airless gun. It dries within 4-5 hours depending on the weather conditions. It should not be applied in rainy days or within the temperatures lower than +5 °C.


0,250 kg/m² for each layer


17 kg metal can

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