Whether new construction, refurbishment or energy-efficient renovation: roofing and timber construction demand materials that seal reliably, bond permanently and remain flexible under changing site conditions. To meet these requirements, fischer offers a comprehensive range of adhesives, sealants and PU foams covering all common applications – from roof connections to interior finishing.

fischer construction chemical solutions for filling, sealing and bonding speed up workflows, increase application reliability and ensure durable, clean results. In addition to PU construction foams, fischer provides adhesive and sealant solutions based on silicone, polyurethane, acrylic or hybrid polymer technologies.

Hybrid adhesives and sealants – reliable all-rounders
The MS polymer products Flex MS, Multi MS, HighTack MS and Crystal MS combine the advantages of silicone and polyurethane. They are suitable for indoor and outdoor use in construction, installation, repair and sealing applications. These products adhere to a wide range of substrates such as wood, metal, concrete, glass, paint and plastic – even on damp surfaces and without the use of primers. Additional benefits include paintability, low odor, freedom from isocyanates and solvents, bubble-free curing, and high UV and weather resistance. Thanks to their easy and process-safe application, MS polymer products are also suitable for beginners. Their high tensile strength and Shore hardness make them ideal for load-bearing bonding applications.

The highly flexible, mold-resistant construction sealant Flex MS is ideal for façade joints, expansion joints, floor joints and exterior connections. Its permanent elasticity keeps joints flexible over time, reliably compensates for component movement and ensures safety under changing weather and load conditions. As a universal all-rounder, Multi MS is used wherever bonding and sealing are required at the same time – indoors and outdoors, from façade sealing and HVAC systems to connection, movement and sealing joints.

HighTack MS adhesive offers extremely high initial grab, making it ideal for natural stone, mirrors, electrical fixings or exterior bonding and fixing applications. Crystal MS enables crystal-clear, virtually invisible bonding and sealing, for example with glass, wood and natural stone elements.

Reliable roof sealing
For sealing and repair work on roofing membranes and bitumen sheets – even on damp or oily substrates – fischer developed the roof sealing compound Roof BI. Its bituminous formulation is suitable for joints, penetrations and overlaps and impresses with high resistance to UV radiation, moisture and temperature fluctuations.

PU construction foams for installation, insulation and fire protection
PU foams are indispensable in roofing and timber construction, for example for filling, thermal separation, insulation, sealing and bonding. New to the fischer range is PU-P EVO foam with < 0.1% isocyanate – enabling low-emission work. It is ideal for typical installation tasks such as filling joints and insulating cavities. The premium quick-assembly and well foam PU Pro offers even greater safety, comfort and efficiency thanks to the new fischer FixAdapter. Precise one-handed operation, an ergonomic trigger, optimized valve technology and integrated safety features make application easier. PU Pro allows watertight bonding and sealing of concrete manhole rings and is suitable for numerous applications – from installing, insulating and filling door and window joints to prefabricated elements, wall connections, wall penetrations and cavities. Externally tested water pressure resistance confirms its suitability as a well foam.

The gun foam PUP S enables controlled, even application. PUP Flex is characterized by particularly high elasticity and reliably absorbs component movement in timber construction and connection joints – preventing cracks and thermal bridges over the long term. For increased fire protection requirements, the flame-retardant PUP B1 (DIN 4102-1: B1) is available and approved for use between solid, mineral or metallic building materials. It is ideal, among other things, for filling and sealing joints or for highly effective thermal insulation on façades.

Accessories for efficient application
Matching accessories complete the system: KPM 2 Plus and KPM 3 dispensers ensure precise application of sealants and adhesives, while the PUP 2K Plus foam dispenser and the PUP M3 and M4 foam dispensers allow clean, controlled foam dispensing.

Strong performance for roofing and timber construction
fischer bonding, sealing and installation systems are tailored to the requirements of roofing and timber construction. They offer high application reliability, material compatibility and long-lasting performance – both indoors and outdoors. High-performance products combined with systematic accessories provide practical solutions for trades, planning and construction execution.