Flat roofs are exposed every day to hazardous conditions and can be damaged and deteriorated over time. It is the most critical area of a building or structure which protects the users and interior from these hazards, and must be well-selected, well-designed and well-installed to be long-lasting without fail. Sika’s roofing systems are not only durable to wind, rain, snow, hail and other environmental conditions, but they also come with decades of Sika expertise and support.
With Sika’s comprehensive range of products for flat roofs, you will gain an efficient, harmonized flat roof system. You can choose from various system solutions listed below.
SIKA PVC ROOF MEMBRANES
The raw material base of Sikaplan® roofing membranes made from synthetic materials is plasticized polyvinyl chloride (PVC-P). Depending on the intended use, Sikaplan® formulations incorporate additives that enhance protection against various environmental and weather influences. Additionally, the roofing membranes are equipped with a reinforcement layer inserted in the middle, such as polyester fabric or glass fiber scrim.
You can choose from the following PVC membranes based on their application:
Sikaplan® G/VG (loose-laid, mechanically fastened)
Sikaplan® U (loose-laid, mechanically fastened)
Sikaplan® SGK (adhered or loose-laid, mechanically fastened)
Sikaplan® SGmA (loose-laid)
Sikaplan® RV-s (self-adhering)
SIKA FPO ROOFING MEMBRANES
Flat roofs are no longer considered merely a cost-effective alternative solution. They represent advanced and future-oriented architecture, a functional approach to construction, and sustainability-focused economy. Sarnafil® FPO-based roofing membranes are always the right choice, as they ensure optimal alignment with suitable roof systems that have been tested over the long term and provide customized solutions. Sarnafil® roofing membrane is a blend of high-quality and flexible polyolefins (FPO).
Depending on the intended use, you can choose from the following FPO membranes:
Sarnafil® TS/TS-E – reinforced with a scrim of glass and polyester fibers.
Sarnafil® TG – uses a glass fiber scrim as an insert surrounded by synthetic material.
Sarnafil® TG Felt PS – includes a bottom laminated layer of polyester and glass fiber scrim, allowing direct adhesive bonding to EPS/PUR.
SIKA LIQUID APPLIED MEMBRANES (LAM)
Liquid Applied Membrane (LAM) is a monolithic, fully-bonded liquid-based coating suitable for various waterproofing and roofing applications. The coating cures to form a rubber-like, elastomeric waterproof membrane and can be applied to various substrates, including asphalt, bitumen, and concrete.
Liquid waterproofing with LAM membrane is a popular cost-effective choice, ideal for exposed roofs with numerous complex details and penetrations.
Sikalastic products for liquid waterproofing:
Sikalastic®-810 – Primer based on PUR for liquid membranes
Sikalastic®-851 – Liquid polyurethane/polyurea hybrid membrane
Sikalastic®-8800 – Liquid pure polyurea membrane
Sikalastic®-8850 – Chemically resistant polyurea membrane applied by spraying.
SIKA BITUMEN-BASED MEMBRANES
Bitumen is widely used in construction due to its excellent waterproofing properties. Bitumen membranes are ideal for waterproofing various types of roofs, basements, underground structures, bridges, and other constructions.
Sika’s bitumen membrane represents a thin layer of impermeable material that is fully adhered to the surface. It is a flexible system that can maintain its waterproofing performance without developing cracks.
SIKA THERMAL INSULATION
Thermal insulation is one of the most crucial components in a roof system, as it creates a comfortable environment inside the building, protecting it from heat and cold, while also helping to reduce heating and cooling costs. The importance of thermal insulation has increased in recent times, primarily due to changing insulation standards worldwide, which impose higher demands on the thermal resistance of building structures to reduce energy loss for heating or cooling.
The types of insulation used in flat roof systems must not only have high thermal properties but also sufficient mechanical properties to withstand loads. Sikatherm products meet these requirements precisely.
SIKA ROFF ACCESSORIES AND EQUIPMENT
Roof accessories are essential components for completing a roofing system. The comprehensive and fully compatible range of components for flat roof systems allows for reliable preparation and efficient execution of details. Roofing tools distributed by Sika support safe, fast, and reliable installation of products.
Roof accessories include: drains, side outlets, and safety overflows, vapor barriers, adhesive tapes, corners, elements for roof penetrations, safety systems, lightning protection elements, etc.
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