Soudal sealants include a wide variety of different sealants, each with its own range of products specially suited to different applications. Choose from silicone, PU and hybrid polymer sealants for applications ranging from glazing, gasket, to cleanroom sealing.

Silirub is a brand name owned and used by Soudal, which is the short form of Silicone Rubber. All Silirub products are silicone sealants of the highest quality.

As sales and services are fulfilled by our partner PFE Technologies, all product links will redirect to their website. The full list of Soudal products carried by PFE Technologies is available on their site.

Silicone Sealants

Soudal Silirub 2/S

Neutral curing silicone sealant that is sanitary grade and foodsafe, specially developed for applications in food surroundings.

Soudal Silirub Cleanroom

Neutral curing, low-modulus silicone sealant that is anti-microbial and engineered for critical clean room sealing applications.

Soudal Silirub AQ Aquarium Sealant

Neutral curing, 100% pure acetic silicone sealant that cures into a non-toxic sealant. Specially developed for the repair and construction of aquariums.

Soudal Gasketseal

High quality silicone sealant for use in high temperature conditions – such as in engines and motors. Resists up to 285°C.

Soudal Firesilicone B1 FR

Neutral silicone sealant which conforms to the DIN4102 B1 standard for fire retardancy and has a fire rating of up to 4 hours

Hybrid Polymer Sealants

Soudal Fix All Flexi

SMX hybrid polymer sealant with high adhesive strength, good elasticity, and anti-fungal properties

Soudal Fix All Crystal

SMX hybrid polymer sealant / adhesive with a crystal clear appearance

Soudal Soudaseal FR

High-performance hybrid polymer sealant with fire-rating up to 4 hours. Superb bond strength on most materials.

PU Sealants

Soudal Aquaswell

One-part PU sealant that swells in contact with water to form a waterproof, gas-tight seal – for up to 5 bar

High Temperature Sealants

Soudal Gasketseal

High quality silicone sealant for use in high temperature conditions – such as in engines and motors. Resists up to 285°C.

Soudal Calofer

High quality sealing paste based on sodium silicate, for use in very high temperature areas such as in boilers or ovens. Withstands up to 1500°C.

Soudal Firecement HT

High-quality, hard-setting sealant based on sodium silicate that hardens to a fire-resistant seal, with heat resistance up to 1500°C.

Fire-rated Sealants

Soudal Firecement HT

High-quality, hard-setting sealant based on sodium silicate that hardens to a fire-resistant seal, with heat resistance up to 1500°C.

Soudal Firesilicone B1 FR

Neutral silicone sealant which conforms to the DIN4102 B1 standard for fire retardancy and has a fire rating of up to 4 hours

Soudal Soudaseal FR

High-performance hybrid polymer sealant with fire-rating up to 4 hours. Superb bond strength on most materials.

Waterproofing Membrane

Soudal Soudagum Hydro

Revolutionary hybrid polymer waterproofing membrane which resists rain in just 2 hours

Other Sealants

Soudal Soudapack WST

Non-hardening sealant that swells in contact with water to form a water- and gas-tight seal, up to 3 bar

Soudal Soudaplug ST

Ultra-rapid setting mortar that can be used to plug active leaks in concrete, even under high pressure