Seal-it® 352 SUPER-PRO

Seal-it® 352 SUPER-PRO is a high-quality, multi-purpose, professional and universal sealant and construction and installation adhesive that is based on MS-Polymer® technology and moisture-cures into a durable rubber that retains its elasticity.



  • Universal joint sealant and material adhesive in the construction, industrial, marine and automotive sectors.
  • Versatile sealant for connections between building components in floor, roof, façade and interior and exterior wall structures.
  • Multifunctional installation and construction adhesive, suitable for almost all building materials.
  • Fungicidal joint sealant in sanitary spaces and other spaces with plumbing fixtures, as well as cold storage units.
  • Seal, adhere and install natural stone, marble, granite, hard stone, concrete and other porous stone types and/or materials, such as untreated wood types.
  • Highly UV-resistant glazing compound for top and bead seals for glass panes.
  • Structural bonding in vibrating structures.
  • Seal, adhere and install metal parts in the construction of roofs, façades, bodywork, containers and air ducts.
  • Adhesion of post-and-lintel slabs and EPDM films in the construction of roofs, façades and ponds.
  • Excellently suited for adhesion and installation of mirrors and façade and decorative panels.
  • Perfect for use as a paintable sealant and filler for joints, seams, cracks, holes and fissures.
  • Repair adhesive or sealant for renovation, maintenance, assembly, installation and repair work in the construction and transport sectors.


  • Durable, retains elasticity, maximum movement capacity of 25%.
  • Excellent adhesion without primer on practically all surfaces, even moist ones.
  • Seal, adhere and install practically anything with a single product, both indoors and out.
  • Superb working properties, professional A quality.
  • High mechanical resistance and ultimate strength, fast-strengthening and fast-curing.
  • Good resistance to discolouration, UV, weather, water, moisture, fungus and ageing.
  • Odourless, bubble-free and non-shrink fast-curing CE-certified MS-Polymer® system.
  • Free of plasticisers, phthalates, isocyanate, solvents and silicone.
  • Very low emission: certified EMICODE EC1 PLUS and VOC emission class A+.
  • Compatible in direct contact with the silver coating on mirrors and PVB-laminated glass.
  • No edge contamination, staining or bleeding on porous materials, such as concrete, natural stone and untreated wood.
  • Sandable and grindable once fully cured; paintable immediately after skin formation.
  • Non-corrosive to metals.
  • Absorbs acoustic and mechanical vibrations well.
  • Usable wet-on-wet, repair with the same material.

Application conditions

  • Application temperature (ambient and surface) between +5°C and +40°C.
  • On clean, uncontaminated, compatible, stable, grease-free and dust-free surfaces.
  • Ensure proper joint dimensions, for proper absorption of any movements.
  • Use a suitable brush to remove any loose particles from the surface.
  • Degrease the surface properly using Seal-it® 510 CLEANER.
  • Seal-it® 352 SUPER-PRO has a broad bonding spectrum, but highly porous surfaces should be pre-treated with Seal-it® 520 PRIMER and non-porous surfaces with minimal bonding should be treated with Seal-it® 525 Clean & Bond.
  • For adhesive applications, apply material vertically (ventilation) in beads spaces between a minimum of 10 cm and a maximum of 20cm. Do not apply in dabs! It is recommended to use double-sided adhesive SEAL-IT® 560 PANELTAPE to support adhesion during the curing process and to achieve the correct adhesive thickness.
  • Use Seal-it® 550 FINISH to apply a smooth and tight finish, before skin formation.

Standard product line


12 x 290ml cartridge







SI-XXX-XXXX-XXX = Article number.
Other colours and/or packaging on request.


  • EN 15651-1: F-INT
  • VOC emission class A+

Technical support department

Connect Products has a state-of-the-art R&D laboratory, where experienced specialists continuously research and develop sealants, adhesives and PU foams. Customers and clients can have products researched, tested and developed by this department. You can also contact us for technical advice, tips, project support, warranty certificates, requests and other technical questions. We will be happy to assist you with high-quality technology.

Call us on +31 (0)183 731 400 or send us an e-mail.

Product selector

Click on one of the Seal-it® or Cover-it® categories for extensive product information on applications, properties, the standard product line, application conditions, test reports, certificates and technical and safety data sheets.