Sika's reinforced bituminous base sheets are available in self-adhesive and torch-applied options, providing a high tensile strength and high impact resistant layer to the roofing system.
3 mm elastomeric self-adhesive bituminous underlay membrane flexible at -25 °C
Elastomeric bituminous roofing underlay membrane surfaced with PE foil and flexible at -15 °C
Plastomeric bituminous membrane surfaced with talc and flexible at -10 °C