Insulation and cover boards are key components of a single ply roofing system, helping to achieve thermal performance, support the waterproofing membrane and enhance roof durability. Sika's range includes PIR insulation boards and cover boards designed for use beneath Sarnafil® and Sikaplan® roofing systems, including adhered, mechanically fastened, loose laid ballasted and green roofing applications. Options are available to provide thermal insulation, high compressive strength and improved resistance to foot traffic and hail damage.

Our Range of Thermal Insulation & Cover Boards

Sikatherm® PIR GT
Sikatherm® PIR GT

PIR glass tissue faced thermal insulation board
Sikatherm® PIR AL
Sikatherm® PIR AL

PIR Aluminium Faced Thermal Insulation Board
Sikatherm® MW DD
Sikatherm® MW DD

MINERAL WOOL THERMAL INSULATION BOARD
DensDeck® Prime Roof Board
DensDeck® Prime Roof Board

Coated glass mat gypsum roof board

Discover More Single Ply Roof Accessories

Sika roof sealant being applied by hand in sealing tube applicator

Sealants

Sealants for weatherproofing and sealing joints, penetrations and roofing components.
Sika roof decor profile for roof detailing

Aesthetic Profiles

Decorative profiles and finishing components used to enhance the appearance of single ply roofing systems.
Sika roof accessories including scupper roof drain leaf guard

Rainwater Outlets and Accessories

Roof drainage outlets and accessories for the effective discharge of rainwater from flat roofs.

Rooflights

Rooflight solutions for introducing natural daylight into buildings while maintaining roof waterproofing integrity.
Sika Sarnavap roof vapor control layer for roof buildup

Vapour Control Layers

VCLs designed to help manage moisture movement within the roof build-up and reduce condensation risk.
Roll of Sarnafil® TG 63-13 protection sheet

Protection Sheets

Protection layers designed to protect roofing membranes in ballasted flat roof systems.
Gray vinyl roll on white background

Detailing Membranes

Flexible roofing membranes for forming waterproof details, flashings, corners and complex roof junctions.
Slotted Metal Channel Sections on White Background

Miscellaneous Products

Additional roofing components and accessories used to support installation, detailing and roof system performance.
Sika roof protection layer and separation layer for roof buildup

Levelling & Separation Layers

Separation and protection layers for between components to improve compatibility and provide a stable substrate.
Sika roof adhesives and cleaners for cleaning roof area with Sika Trocal, Sarnacol and Sarnafil cleaner

Primers and Cleaners

Primers and cleaning products for substrate preparation and to support the installation of roofing membranes.
Sika Sarnafil roof walkway pads for roof protection on utility roofs and maintenance access

Walkways

Walkway pads designed to provide safe access for maintenance while protecting the roofing membrane.
lightning conductor clips

Lightning Protection

Components designed to integrate lightning protection systems with single ply roofing installations.

Fasteners

Mechanical fixings for securing insulation, vapour control layers and roofing membranes within single ply roof systems.
SikaRoof Adhesive C-733 metal pail product

Adhesives and Glues

Adhesives for bonding roofing membranes, insulation boards and other roofing components.
Sika liquid-applied waterproofing system

Liquid Detailing

Liquid applied waterproofing products for sealing complex roof details, penetrations and difficult-to-access areas.