OTTOSEAL® M 390 – The powerful floor sealant for the highest demands

OTTOSEAL® M 390 is a one-part hybrid polymer STP sealant for use indoors and outdoors. The silicone-free premium sealant was developed specifically for floor joints that have to withstand mechanical or chemical stress. Thanks to its high elasticity and practically shrinkage-free curing, OTTOSEAL® M 390 is the ideal partner for demanding sealing work in industrial, commercial and private settings.

Whether in warehouses, workshops, parking decks or food businesses – this floor sealant impresses with its mechanical strength, chemical resistance and long service life. After curing, it is sandable and paintable and thus optimal for visually flawless joint matching.

Product advantages:

• Extremely elastic – reliably compensates for movement
• Very high mechanical strength and tear resistance
• Good chemical resistance – ideal for heavily stressed areas
• Practically shrinkage-free curing – no reworking necessary
• Sandable and paintable after curing
• Silicone- and isocyanate-free – low-odour and user-friendly
• Very good adhesion to many substrates without primer
• EMICODE® EC1 PLUS – very low emission
• High weather and ageing resistance

Areas of application:

• Sealing joints on parquet, laminate, cork, plastic and vinyl floors
• For mechanically highly stressed joints in workshops, halls, wash bays, parking decks or underground car parks
• Sealing chemically stressed areas such as dairies, slaughterhouses, commercial kitchens or food production
• Stress-equalising sealing indoors and outdoors – ideal for terraces, balconies or public areas
• Sealing movement joints between concrete slabs

Technical properties:

Certifications & standards:

• Tested to EN 15651 – Parts 1 & 4 (CC 25 HM)
• EMICODE® EC1 PLUS – very low emission
• Fire behaviour Class E to EN 13501
• ISEGA declaration of safety for use near foodstuffs
• French VOC emission class A+
• Compliant with the REACH Regulation (EC) No 1907/2006
• Suitable per IVD data sheets no. 1, 8, 21 and 35

Advantages for professionals:

• Ideal for floor joints under heavy loads
• Permanently elastic and mechanically resilient
• Silicone-free – perfect paint and coating compatibility
• Shrinkage-free and easy to apply
• Low odour – pleasant in enclosed spaces
• Paintable for a clean, harmonious joint appearance

With OTTOSEAL® M 390 you choose a powerful, elastic, durable floor sealant that sets standards in quality, environmental friendliness and resilience – perfect for professional seals in the industrial and trade sector.