Bitumen roofing systems rely on a range of compatible accessories to ensure effective installation, detailing and long-term performance. Sika offers a comprehensive range of bitumen roof accessories, including vapour control layers, insulation, primers and prefabricated drainage components, designed to complement SikaShield® bitumen waterproofing systems. These products help support complete roof build-ups, from substrate preparation and moisture control through to drainage and detailing, providing fully compatible system components for bitumen roofing projects.

Our Range of Bitumen Roof Accessories

Construction workers installing commercial flat roof membrane

Bitumen Vapour Control Layers

VCLs designed to help manage moisture movement within bituminous roof build-ups and support roof performance.
Worker heat welding textured flooring sheet

Solar & Lightning Protection Accessories

Components designed to seamlessly integrate lightning protection and solar mounted systems on bitumen roof decks.
Installation of thermal insulation

Insulation & Cover Boards

Insulation boards for use in bituminous roof systems to help achieve high thermal performance.
Close up view of bitumen membrane applied on roof at parapet

Walkways

Bituminous walkway pads to protect bitumen roof membranes from regular foot traffic.
Construction workers applying waterproof membrane on roof

Bitumen Primers

Primers for preparing roof substrates and promoting adhesion between bituminous membranes and the roof deck.
Flat roof drain with waterproof membrane

Drainage Units

Preformed rainwater outlets, leaf guards and drainage accessories to simplify detailing and support effective drainage.

Our Range of Bitumen Roofing Membranes

Foot rolling bitumen membrane and applying torch to adhere

Bitumen Cap Sheets

Explore SikaShield® cap sheet membranes, designed as the exposed waterproofing layer with options for torch-applied and self-adhesive installation.
SikaShield Range

Bitumen Base Sheets

Discover SikaShield® base sheet membranes for use as the underlying waterproofing layer within multi-layer bituminous roof systems.
Green roof with single-ply membrane installed on Chicago City Hall

Bitumen Green Roof Membranes

Learn more about root-resistant bituminous membranes specifically engineered for green roof applications.