SP525 Frame and Façade Sealant & Adhesive

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SP525 is a low modulus sealant and adhesive formulated
using advanced CPG UK SP polymer technology. It has high
movement capability, excellent primerless adhesion to many
substrates and long-term performance.


SP525 is ideal for sealing joints in fa├žades, rainscreens and curtain walls, perimeter joints around windows, doors and rooflights, and high movement joints (e.g. modular building). It is also used for the bonding of ME500 & ME501 Intelligent Window Membranes. SP525 will enhance the acoustic performance of a joint, providing up to 61 dB sound reduction.

Contact with bituminous or tar containing surfaces can lead to discolouring. Not suitable for bonding to polyethylene,
silicone, butyl rubber, neoprene or EPDM. Not suitable for areas permanently immersed in water.
CPG UK provide a service for testing compatibility of our adhesives/sealants with 3rd party materials and would advise
that our representative is made aware of this requirement in order to organise appropriate samples and to instigate the
required testing (comprehensive testing takes up to 4 weeks).
* Whilst CPG UK have not experienced any complaints due to migratory staining, prior tests on natural stone and
decorative concrete are recommended. FA870 and FA880 are alternative sealants safe for use on natural stone.
When bonding to copper or brass, please consult CPG UK technical services for priming details.

Safety data sheet must be read and understood before use.

  • Meets the requirements of EN ISO 11600 F 25LM.
  • Formulation based on advanced SP polymer technology.
  • High movement, rapid curing and extremely low risk of staining. Excellent long-term resistance to weathering, ageing and UV.
  • Low modulus formulation ensures minimum stress at joint faces.
  • High strength bonding of ME500 & ME501 Intelligent Window Membranes. Weather and airtight sealing of ME500 & ME501 Intelligent Window Membranes.
  • Provides up to 61 dB sound reduction in a 10 mm wide joint.
SP525 Application Instructions (en-GB).pdf Application Instructions
ME501 and SP525 Method Statement (en-GB).pdf Remedial Method Statements
SP525 Safety Data Sheet (en-GB).pdf Safety Data Sheets
SP525 Technical Data Sheet (en-GB).pdf TDS