TEROSON F173 colorless

Product description:

TEROSON® F173 is a high-quality, neutral-curing silicone sealant specifically developed for demanding sealing applications on roofs and walls. This paste-like sealant impresses with its high elasticity, weather and UV resistance, and excellent adhesion to a wide variety of building materials – all without the need for a primer. F173 performs optimally even on bituminous roofing membranes, smooth metals, rigid PVC, or glazed ceramics.

The paintable formulation according to DIN 52452 makes TEROSON® F173 the ideal choice for a wide range of applications in building construction, such as sealing balconies, windows, lift-and-slide doors, or penetrations. The sealant can be applied precisely and smoothed easily. Under normal conditions, it cures within a few days.

Product features:

• permanently elastic and pasty

• Neutral cross-linking and odorless after curing

• UV and weather resistant

• Adheres to many materials without primer

• Temperature resistant from -50 °C to +150 °C

• Skin formation time: approx. 15 minutes

• Maximum joint width: 30 mm

• Shore A hardness: 20

• Permissible total deformation: 25%

• Packaging unit: 300 ml cartridge

Suitable materials:

• Roofing felt and bitumen roofing membranes

• Glass, enamel, tiles, glazed ceramics

• Smooth metals such as aluminum or stainless steel

• Rigid PVC, polyester

• Masonry, concrete, wood, mineral building materials

Typical areas of application:

• Expansion and connection joints in building construction

• Joints on balconies, terraces, windows, and lift-and-slide doors

• Chimney connections and skylight penetrations

• Antenna and ventilation ducts

• Transitions between glass and metal, wood or plastic

• Bitumen connections to masonry

• Sheet metal seams in metal, air conditioning and apparatus construction

Processing instructions:

• Joint edges must be dry, dust-free, grease-free, and load-bearing

• Remove old sealant residue completely 

• Application is done using a cartridge gun; cut the nozzle at an angle to the desired joint width

• Smooth immediately after spraying (with soapy water or a moistened tool)

• Clean fresh sealant with rubbing alcohol; remove hardened sealant mechanically

• Not suitable for: walkable or drivable joints, food contact, aquariums or underwater applications

• Compatible with common paint systems, but not paintable

• Liability on PE, PTFE, EPDM and oil-containing materials is excluded