Commercial and residential HVAC system require proven sealing, bonding and noise deadening systems. Sika can offer complete ranges of one- and two-component bonding and sealing technologies as well as acoustic pads.

Wide range of Solutions for Heating, Ventilation and Airconditioning

Whether a structural bond or a generic seal is needed, Sika offers a wide range of solutions. Sika supplies products suitable for the whole assembly process while satisfying the most demanding market requirements.

Manufacturers of air conditioning systems rely on Sika’s technologies to bond, seal and soundproof metal bodies and frames in filter systems with EHS friendly and certified solutions, achieving thus cost-optimization and long-term results.

 
Heat ventilation aircon HVAC on roof top
50%
of the heat exchangers in the world are sealed with Sika's EHS friendly adhesive solutions
100%
of all assembly adhesive needs by our customer can be covered with a Sika solution

Applications for Air Conditioners and Heat Exchangers

Air Conditioning Equipment

Sealing of Wall Panels
Joining and sealing between wall panels

SYSTEM BENEFITS

  • Perfect sealing
  • Longer durability vs. preformed gaskets
  • No gasket stock: one sealing solution for all joint sizes

Wall Panel Bonding
Bonding of wall panels and stiffeners

SYSTEM BENEFITS

  • Welding process and mechanical fixation replacement
  • No metal deformation
  • Improved aesthetical effect
  • Fast and easy-to-use solution
  • VDI 6022 / ISO 846 approved solutions available

BEST RECOMMENDED PRODUCT

  • Sikaflex®-953 is a two component fast adhesive if attainment of high early strength is required, available in 15’ and 30’ pot life.
  • Sikaflex®-552 AT high strength one part STP elastic adhesive
  • Sikaflex®-551 high strength one part STP elastic adhesive certified for use on air treatment equipment (VDI 6022) if hygiene requirements must be met

Seam Sealing
Sealing of internal joints into the equipment housing

SYSTEM BENEFITS

  • Water- and air-proof sealing
  • Fast and easy-to-use solution
  • VDI 6022 / ISO 846 approved solutions available

BEST RECOMMENDED PRODUCTS

  • Sikaflex®-522 one-part STP multipurpose elastic adhesive sealant fulfilling hygiene requirements for HVAC systems and equipment (VDI 6022 air treatment code of practice) and very low emsissions
  • Sikaflex-221 RLT one-part PU elastic adhesive sealant fulfilling hygiene requirements for HVAC systems and equipment (VDI 6022 air treatment code of practice).

Seam Sealing
Sealing of internal joints into the equipment housing

SYSTEM BENEFITS

  • Water- and air-proof sealing
  • Fast and easy-to-use solution
  • VDI 6022 / ISO 846 approved solutions available

BEST RECOMMENDED PRODUCTS

  • Sikaflex®-522 one-part STP multipurpose elastic adhesive sealant fulfilling hygiene requirements for HVAC systems and equipment (VDI 6022 air treatment code of practice) and very low emsissions
  • Sikaflex-221 RLT one-part PU elastic adhesive sealant fulfilling hygiene requirements for HVAC systems and equipment (VDI 6022 air treatment code of practice).

Perimeter Sealing
Sealing of the perimeter around the housing basement

SYSTEM BENEFITS

  • Removability in case for maintenance operations
  • Maximum water- and air-proof sealing

BEST RECOMMENDED PRODUCT

SikaLastomer®-710 non-drying, industrial pre-cast butyl tape for sealing concrete, EPDM rubber sheeting, metal sewer, pipes, glass, plastic, polyethylene sheeting and wood.

Structural Corner Bonding
Bonding of structural corners and reinforcements

SYSTEM BENEFITS

  • Welding process and mechanical fixation replacement
  • No metal deformation
  • Improved aesthetical effect
  • Fast and easy-to-use solution

BEST RECOMMENDED PRODUCTS

  • Sikaflex®-252 high performance elastic one part PU adhesive for easy and fast application
  • Sikaflex®-552 AT high strength one part STP elastic adhesive
  • Sikaflex®-551 high strength one part STP elastic adhesive certified for use on air treatment equipment (VDI 6022) if hygiene requirements must be met

Sound and Vibration Damping

SYSTEM BENEFITS

  • Noise and sound reduction
  • Suitable for multiple substrates
  • Sprayable and automated application possible

BEST RECOMMENDED PRODUCTS

  • SikaDamp®-620 non-curing, permanently sticky and lightweight, extruded butyl on aluminum foil for ease of application and production integration.
  • Sikagard®-6682 sprayable, water based and sound deadening acrylic dispersion with excellent adhesion
  • SikaDamp®-140 V solid and lightweight bitumen pad, also custom sized on demand, with adhesive layer on one side, easy to use.

Heat Exchanger Equipment

Aluminum Sheet Pack Bonding and Sealing

Bonding and sealing of aluminum sheet pack into the frame

SYSTEM BENEFITS

  • Sealing and bonding in one solution
  • Fast and easy-to-use
  • Suitable for automatic assembly process
  • VDI 6022 / ISO 846 approved solutions available

BEST RECOMMENDED PRODUCTS

  • Sikaflex®-953 is a two part STP adhesive if attainment of high early strength and gap filling are required., available in 15’ and 30’ pot life.
  • Sikaflex®-950 is a two part STP adhesive sealant when gap filling and EC1+ approval is required.
  • Sikaflex®-551 high strength one part STP elastic adhesive certified for use on air treatment equipment (VDI 6022)

Aluminum Sheet Pack Bonding and Sealing

Bonding and sealing of aluminum sheet pack into the frame

SYSTEM BENEFITS

  • Sealing and bonding in one solution
  • Fast and easy-to-use
  • Suitable for automatic assembly process
  • VDI 6022 / ISO 846 approved solutions available

BEST RECOMMENDED PRODUCTS

  • Sikaflex®-953 is a two part STP adhesive if attainment of high early strength and gap filling are required, available in 15’ and 30’ pot life.
  • Sikaflex®-950 is a two part STP adhesive sealant when gap filling and EC1+ approval is required.
  • Sikaflex®-551 high strength one part STP elastic adhesive certified for use on air treatment equipment (VDI 6022)

Aluminum Sheet Pack Bonding and Sealing

Bonding and sealing of aluminum sheet pack into the frame

SYSTEM BENEFITS

  • Sealing and bonding in one solution
  • Fast and easy-to-use
  • Suitable for automatic assembly process
  • VDI 6022 / ISO 846 approved solutions available

BEST RECOMMENDED PRODUCTS

  • Sikaflex®-953 is a two part STP adhesive if attainment of high early strength and gap filling are required, available in 15’ and 30’ pot life.
  • Sikaflex®-950 is a two part STP adhesive sealant when gap filling and EC1+ approval is required.
  • Sikaflex®-551 high strength one part STP elastic adhesive certified for use on air treatment equipment (VDI 6022)

Heat exchanger Module joining
Bonding and sealing of different heat exchanger modules

SYSTEM BENEFITS

  • Sealing and bonding in one solution
  • Fast and easy-to-use
  • VDI 6022 / ISO 846 approved solutions available

 

BEST RECOMMENDED PRODUCTS

  • Sikaflex®-551 high strength one part STP elastic adhesive certified for use on air treatment equipment (VDI 6022). Sikaflex®-551 can be used on the frames to join different module, offering excellent mold- and fungus-resistance as well as high weathering stability