Sopro Sanitary Silicone

Sopro Sanitary Silicone is a ready-to-use, acetic-curing silicone sealant with fungistatic properties for elastic filling of perimeter and movement joints in sanitary areas, e.g. between tiling and bathtub, shower tray, washbasin, sink, cooking modules and kitchen worktops (use Sopro Marble Silicone for marble/natural stone) in food-processing facilities, WC pans and urinals. For grouting around door and window frames, at vertical angles and perimeter joints between wall finishes and flooring indoors, and for underwater applications (with Sopro Primer UW 025 for silicone sealants). For indoor and outdoor use.

Related Downloads

icon-pdf TDS Sopro Sanitary Silicone

icon-pdf SMET How To – Tanking/Waterproofing System Flyer

icon-pdf SMET Professional Tiling Systems Brochure


NBSplus NBS Specification Clause

Featured Benefits of Sopro Sanitary Silicone

  • For sanitary areas and underwater applications
  • Fungistatic to DIN EN ISO 846
  • Resistant to weathering, ageing and UV radiation
  • Excellent smoothing properties
  • For indoor and outdoor use
  • Tested for food compatibility*)
  • DGNB (German Sustainable Building Council): Top quality level 4, Line 1**)
  • EMICODE system of GEV (German Association for Control of Emissions in Products for Flooring Installation): EC1PLUS (“very-low-emission-plus”) rating

Technical Details for Sopro Sanitary Silicone

Skin formationapprox. 10 minutes in ambient conditions
CuringApprox. 2 mm/24 hours
Temperature resistance-30 °C to +180 °C
Application temperatureBetween +5°C and +35°C
Specified timesApply for normal temperature range of +23 °C and 50 % relative humidity; higher values shorten and lower values lengthen these times.
Movement accommodation/ expansion/ contractionMax. 25 % of joint width
Joint width/ depth*** ratio5mm/5mm; 6mm/6mm; 8mm/8mm;
10mm/8mm; 12mm/8mm; 15mm/10mm
Shore A hardness to ISO 868~ 20
Tensile strength to
ISO 37, S3A [N/mm2]
Coverage3.1 m/cartridge for 10/10 mm joints
Tools/cleaningGun, silicone smoother; clean tools with universal thinner immediately after use; mechanical cleaning
required when set
Shelf lifeApprox. 24 months, subject to storage in original unopened containers; 7 days once opened; store in cool, dry conditions

Colours Sopro Sanitary Silicone

Standard colours

Order no. Col- no.Order no. Col- no.
052 transparent00051 grey15
050 white10038 concrete grey14
037 light grey16034 sand grey18
036 silver grey17

Sanitary colours

Order no.Col- no.Order no.Col- no.
033 manhattan77063 anemone35
062 jasmine28057 caramel38
054 light beige29065 brown52
058 beige32031 chestnut50
032 jurabeige33056 bali brown59
055 parchment27060 anthracite66
053 bahama beige34061 black90

Intensive colours

Order no.Col- no.Order no.Col- no.
734 deep blue98733 wine red92
732 signal red91

SMET has a wide range of Professional Tiling systems, including, High-Strength adhesive, Flexible Adhesive, and Large-Format adhesivesprimersmulti-purpose primers, sealers and tools available for your tiling needs.

*) Meets microbiological criteria under test method of Chemisches Laboratorium Dr. Stegemann and
requirements of German Federal Institute for Risk Assessment (BfR) for volatile organic compounds
and extractables.
**) Based on DGNB (German Sustainable Building Council) criterion “ENV1.2 Local Environmental
Impact” (2015 version).

*** As specified in IVD (German Sealant Manufacturers’ Association) data sheet no. 3