ARDEX ST

Description

Single component, neutral cure silicone sealant which can be easily applied and smoothed. ARDEX ST minimizes discoloration and can accommodate movement up to 20% of the applied width and after curing is resistant to commonly used cleaners, disinfectants and UV exposure.

ARDEX ST has excellent adhesion to glazed and unglazed tiles, enamel, glass, acrylic, anodized aluminium, plastics, laminated kitchen work boards, solvent free acrylic varnished surfaces, thicker varnish and wood. It is for use in internal and external applications for walls and floors and can be used for the elastic sealing of movement joints, corner and connecting joints in bathrooms, showers and living areas such as tiled floors, and connections to doors and windows. It is also suitable for filling joints between natural stone tiles such as marble and granite and can be used in underfloor heating applications.

Features:

  • Available in seven colours that complement the ARDEX-FLEX grout colour range.
  • Excellent resistance to weather, UV-radiation and commonly used cleaning chemicals and disinfectants.
  • Suitable for internal and external use.
  • Suitable for joints in natural stone such as marble and granite.

General information

Features

Available in seven colours that complement the ARDEX-FLEX grout colour range

Excellent resistance to weather, UV-radiation and commonly used cleaning chemicals and disinfectants

Suitable for internal and external use

Suitable for joints in natural stone such as marble and granite

Uniclass 2015

Pr_30_31_76_77 Silicone construction joint sealantsPrimary

CAWS

F30/610 Movement joints with sealant

H42/661 Sealant joints

H51/610 Sealant jointing

L10/810 Sealant joints

M40/75 Sealant movement joints

M40/805 Sealant movement joints with metal edgings

M40/815 Sealant movement joints

M41/455 Sealant movement joints with metal edgings

Specification data - Silicone construction joint sealants

Product Reference

ARDEX ARDEX ST Silicone Sealant

Colour

Brilliant white

Dove grey

Floating driftwood

Innocent black

Spring jasmine

Stormy mist

Translucent

Standard product features

Consistency:

Smooth paste.

Technical properties:

  • Application temperature: 5–40°C.
  • Joint widths: Up to 15 mm (floor), up to 30 mm (wall).
  • Modulus of elasticity (approximate, to DIN EN 28339 Method A): 70 N/mm².
  • Shore A hardness (approximate): 30.
  • Temperature resistance: -40°C to +150°C.