SilPruf Weatherseal Sealants | Momentive Silicones for Building

SilPruf™ Weatherseal Sealants

Performance in motion.

Guard building exteriors against wet weather, extreme temperature, damaging UV and air intrusion, with our Weatherseal sealants.

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Weatherseal sealants add outstanding weather resistance, durability and adhesion to your project. Able to perform in all climates, Weatherseal sealants provide excellent protection against air and water ingress. The high movement capability minimizes maintenance, helping maintain building integrity over time.

The Weatherseal family of sealants brings excellence to any design. It has the ability to accommodate joint movements in buildings and façades, prevents air and water from leaking around windows and doors, and seals surfaces such as plazas and parking decks for long-lasting use.

Whatever your requirements, our team is here to help you choose the right Weatherseal sealant for your project.

SCS1200 Construction Sealant

Permanently flexible with excellent adhesion, it forms a strong, waterproof seal that can withstand harsh weather for decades.

Permanently flexible with excellent adhesion, it forms a strong…

SilPruf™ SCS2000N

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone rubber joint sealant.

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone…

Pensil™ 300

Ensure resilient, long-lasting protection against the spread of fire, smoke, toxic gases and water with Pensil 300 Alkoxy fire-retardant joint sealant.

Ensure resilient, long-lasting protection against the spread of fire…

SilPruf™ SCS6000 ACP Weather Proofing Sealant

Reduce dirt pickup and surface streaking with SilPruf SCS6000 ACP Weather Proofing Sealant to keep your building façade looking great.

Reduce dirt pickup and surface streaking with SilPruf SCS6000…

TOSSEAL™ 83 AMB

Ensure a clean, long-lasting seal in kitchens and bathrooms with TOSSEAL 83 AMB (antimicrobial and antifungal grade) one-part oxime silicone sealant.

Ensure a clean, long-lasting seal in kitchens and bathrooms…

SilPruf™ SCS2000 Sealant

Ensure resilient, long-lasting joint strength in new or remedial applications with SilPruf SCS2000 Sealant.

Ensure resilient, long-lasting joint strength in new or remedial…

SCS2350 Sealant

Benefit from reliable, long term defense against air and water penetration with SCS2350 Sealant.

Benefit from reliable, long term defense against air and water penetration…

SilPruf™ SCS2700 LM Sealant

Form dependable joint seals that are made to last, with SilPruf SCS2700 LM sealant.

Form dependable joint seals that are made to last, with SilPruf SCS2700…

SilPruf™ SCS9000 NB Sealant

Repel airborne dust and dirt, reduce streaking and maintain the appeal of your building with SilPruf SCS9000 NB sealant.

Repel airborne dust and dirt, reduce streaking and maintain the appeal of…

SCS1000 Contractors Sealant

SCS1000 Contractors sealant has everything you want in an acetoxy-cure silicone sealant - it's a versatile solution for a range of projects.

SCS1000 Contractors sealant has everything you want in an acetoxy-cure…

SCS1700 Sanitary

Ensure a clean, long-lasting seal with SCS1700 Sanitary sealant. This silicone sealant remains resistant to mold and mildew growth, year after year.

Ensure a clean, long-lasting seal with SCS1700 Sanitary sealant. This…

SWS Sealant

Protect your building from water and air intrusion with SWS sealant.

Protect your building from water and air intrusion with SWS sealant…

SS Construction Primers (Weatherseal)

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion to substrates and finishes that are difficult to bond.

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion…

UltraSpan™ US1100 Weatherstrip

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip.

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip…

UltraPruf™ II SCS2900

Give windows and curtain wall joints the protection they need from the elements with UltraPruf II SCS2900 – our high-performance weatherproofing silicone sealant.

Give windows and curtain wall joints the protection they need from the…

TOSSEAL™ 381

Whether it’s glass to glass, glass to metal, or prefabricated builds - get a secure bond with TOSSEAL 381 silicone sealant.

Whether it’s glass to glass, glass to metal, or prefabricated builds - get…

TOSSEAL™ 83

Get long term mildew protection for kitchens, bathrooms and plumbing fixtures with TOSSEAL 83 Mildew Resistant Silicone Sealant.

Get long term mildew protection for kitchens, bathrooms and plumbing…

UltraSpan™ UST2200 Transition Sheet

Protect your building from the elements, with UltraSpan UST2200 Transition Sheets.

Protect your building from the elements, with UltraSpan UST2200 Transition…

SCS1200 Construction Sealant

Permanently flexible with excellent adhesion, it forms a strong, waterproof seal that can withstand harsh weather for decades.

Permanently flexible with excellent adhesion, it forms a strong…

SilPruf™ SCS2000 Sealant

Ensure resilient, long-lasting joint strength in new or remedial applications with SilPruf SCS2000 Sealant.

Ensure resilient, long-lasting joint strength in new or remedial…

SCS2350 Sealant

Benefit from reliable, long term defense against air and water penetration with SCS2350 Sealant.

Benefit from reliable, long term defense against air and water penetration…

SilPruf™ SCS2700 LM Sealant

Form dependable joint seals that are made to last, with SilPruf SCS2700 LM sealant.

Form dependable joint seals that are made to last, with SilPruf SCS2700…

SilPruf™ SCS9000 NB Sealant

Repel airborne dust and dirt, reduce streaking and maintain the appeal of your building with SilPruf SCS9000 NB sealant.

Repel airborne dust and dirt, reduce streaking and maintain the appeal of…

SCS1000 Contractors Sealant

SCS1000 Contractors sealant has everything you want in an acetoxy-cure silicone sealant - it's a versatile solution for a range of projects.

SCS1000 Contractors sealant has everything you want in an acetoxy-cure…

SCS1700 Sanitary

Ensure a clean, long-lasting seal with SCS1700 Sanitary sealant. This silicone sealant remains resistant to mold and mildew growth, year after year.

Ensure a clean, long-lasting seal with SCS1700 Sanitary sealant. This…

SWS Sealant

Protect your building from water and air intrusion with SWS sealant.

Protect your building from water and air intrusion with SWS sealant…

SS Construction Primers (Weatherseal)

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion to substrates and finishes that are difficult to bond.

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion…

UltraSpan™ US1100 Weatherstrip

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip.

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip…

UltraSpan™ UST2200 Transition Sheet

Protect your building from the elements, with UltraSpan UST2200 Transition Sheets.

Protect your building from the elements, with UltraSpan UST2200 Transition…

SCS1200 Construction Sealant

Permanently flexible with excellent adhesion, it forms a strong, waterproof seal that can withstand harsh weather for decades.

Permanently flexible with excellent adhesion, it forms a strong…

SilPruf™ SCS2000N

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone rubber joint sealant.

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone…

SilPruf™ SCS2000 Sealant

Ensure resilient, long-lasting joint strength in new or remedial applications with SilPruf SCS2000 Sealant.

Ensure resilient, long-lasting joint strength in new or remedial…

SCS2350 Sealant

Benefit from reliable, long term defense against air and water penetration with SCS2350 Sealant.

Benefit from reliable, long term defense against air and water penetration…

SilPruf™ SCS9000 NB Sealant

Repel airborne dust and dirt, reduce streaking and maintain the appeal of your building with SilPruf SCS9000 NB sealant.

Repel airborne dust and dirt, reduce streaking and maintain the appeal of…

SCS1000 Contractors Sealant

SCS1000 Contractors sealant has everything you want in an acetoxy-cure silicone sealant - it's a versatile solution for a range of projects.

SCS1000 Contractors sealant has everything you want in an acetoxy-cure…

SCS1700 Sanitary

Ensure a clean, long-lasting seal with SCS1700 Sanitary sealant. This silicone sealant remains resistant to mold and mildew growth, year after year.

Ensure a clean, long-lasting seal with SCS1700 Sanitary sealant. This…

SS Construction Primers (Weatherseal)

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion to substrates and finishes that are difficult to bond.

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion…

UltraSpan™ US1100 Weatherstrip

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip.

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip…

UltraSpan™ UST2200 Transition Sheet

Protect your building from the elements, with UltraSpan UST2200 Transition Sheets.

Protect your building from the elements, with UltraSpan UST2200 Transition…

SCS1200 Construction Sealant

Permanently flexible with excellent adhesion, it forms a strong, waterproof seal that can withstand harsh weather for decades.

Permanently flexible with excellent adhesion, it forms a strong…

SilPruf™ SCS2000N

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone rubber joint sealant.

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone…

Pensil™ 300

Ensure resilient, long-lasting protection against the spread of fire, smoke, toxic gases and water with Pensil 300 Alkoxy fire-retardant joint sealant.

Ensure resilient, long-lasting protection against the spread of fire…

SilPruf™ SCS9000 NB Sealant

Repel airborne dust and dirt, reduce streaking and maintain the appeal of your building with SilPruf SCS9000 NB sealant.

Repel airborne dust and dirt, reduce streaking and maintain the appeal of…

SS Construction Primers (Weatherseal)

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion to substrates and finishes that are difficult to bond.

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion…

SCS1200 Construction Sealant

Permanently flexible with excellent adhesion, it forms a strong, waterproof seal that can withstand harsh weather for decades.

Permanently flexible with excellent adhesion, it forms a strong…

SilPruf™ SCS2000N

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone rubber joint sealant.

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone…

Pensil™ 300

Ensure resilient, long-lasting protection against the spread of fire, smoke, toxic gases and water with Pensil 300 Alkoxy fire-retardant joint sealant.

Ensure resilient, long-lasting protection against the spread of fire…

SilPruf™ SCS9000 NB Sealant

Repel airborne dust and dirt, reduce streaking and maintain the appeal of your building with SilPruf SCS9000 NB sealant.

Repel airborne dust and dirt, reduce streaking and maintain the appeal of…

SS Construction Primers (Weatherseal)

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion to substrates and finishes that are difficult to bond.

SS Construction Primers (Weatherseal) deliver strong, consistent adhesion…

SilPruf™ SCS2000N

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone rubber joint sealant.

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone…

SilPruf™ SCS6000 ACP Weather Proofing Sealant

Reduce dirt pickup and surface streaking with SilPruf SCS6000 ACP Weather Proofing Sealant to keep your building façade looking great.

Reduce dirt pickup and surface streaking with SilPruf SCS6000…

SilPruf™ SCS9000 NB Sealant

Repel airborne dust and dirt, reduce streaking and maintain the appeal of your building with SilPruf SCS9000 NB sealant.

Repel airborne dust and dirt, reduce streaking and maintain the appeal of…

UltraSpan™ US1100 Weatherstrip

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip.

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip…

UltraPruf™ II SCS2900

Give windows and curtain wall joints the protection they need from the elements with UltraPruf II SCS2900 – our high-performance weatherproofing silicone sealant.

Give windows and curtain wall joints the protection they need from the…

TOSSEAL™ 381

Whether it’s glass to glass, glass to metal, or prefabricated builds - get a secure bond with TOSSEAL 381 silicone sealant.

Whether it’s glass to glass, glass to metal, or prefabricated builds - get…

TOSSEAL™ 83

Get long term mildew protection for kitchens, bathrooms and plumbing fixtures with TOSSEAL 83 Mildew Resistant Silicone Sealant.

Get long term mildew protection for kitchens, bathrooms and plumbing…

UltraSpan™ UST2200 Transition Sheet

Protect your building from the elements, with UltraSpan UST2200 Transition Sheets.

Protect your building from the elements, with UltraSpan UST2200 Transition…

SilPruf™ SCS2000N

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone rubber joint sealant.

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone…

SilPruf™ SCS6000 ACP Weather Proofing Sealant

Reduce dirt pickup and surface streaking with SilPruf SCS6000 ACP Weather Proofing Sealant to keep your building façade looking great.

Reduce dirt pickup and surface streaking with SilPruf SCS6000…

SilPruf™ SCS9000 NB Sealant

Repel airborne dust and dirt, reduce streaking and maintain the appeal of your building with SilPruf SCS9000 NB sealant.

Repel airborne dust and dirt, reduce streaking and maintain the appeal of…

UltraSpan™ US1100 Weatherstrip

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip.

Keep weather out of hard-to-seal areas with UltraSpan US1100 weatherstrip…

UltraPruf™ II SCS2900

Give windows and curtain wall joints the protection they need from the elements with UltraPruf II SCS2900 – our high-performance weatherproofing silicone sealant.

Give windows and curtain wall joints the protection they need from the…

TOSSEAL™ 381

Whether it’s glass to glass, glass to metal, or prefabricated builds - get a secure bond with TOSSEAL 381 silicone sealant.

Whether it’s glass to glass, glass to metal, or prefabricated builds - get…

TOSSEAL™ 83

Get long term mildew protection for kitchens, bathrooms and plumbing fixtures with TOSSEAL 83 Mildew Resistant Silicone Sealant.

Get long term mildew protection for kitchens, bathrooms and plumbing…

UltraSpan™ UST2200 Transition Sheet

Protect your building from the elements, with UltraSpan UST2200 Transition Sheets.

Protect your building from the elements, with UltraSpan UST2200 Transition…

UltraPruf™ II SCS2900

Give windows and curtain wall joints the protection they need from the elements with UltraPruf II SCS2900 – our high-performance weatherproofing silicone sealant.

Give windows and curtain wall joints the protection they need from the…

TOSSEAL™ 381

Whether it’s glass to glass, glass to metal, or prefabricated builds - get a secure bond with TOSSEAL 381 silicone sealant.

Whether it’s glass to glass, glass to metal, or prefabricated builds - get…

TOSSEAL™ 83

Get long term mildew protection for kitchens, bathrooms and plumbing fixtures with TOSSEAL 83 Mildew Resistant Silicone Sealant.

Get long term mildew protection for kitchens, bathrooms and plumbing…

SilPruf™ SCS2000N

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone rubber joint sealant.

SilPruf SCS2000N sealant produces a durable, formed-in-place silicone…

Pensil™ 300

Ensure resilient, long-lasting protection against the spread of fire, smoke, toxic gases and water with Pensil 300 Alkoxy fire-retardant joint sealant.

Ensure resilient, long-lasting protection against the spread of fire…

SilPruf™ SCS6000 ACP Weather Proofing Sealant

Reduce dirt pickup and surface streaking with SilPruf SCS6000 ACP Weather Proofing Sealant to keep your building façade looking great.

Reduce dirt pickup and surface streaking with SilPruf SCS6000…

TOSSEAL™ 83 AMB

Ensure a clean, long-lasting seal in kitchens and bathrooms with TOSSEAL 83 AMB (antimicrobial and antifungal grade) one-part oxime silicone sealant.

Ensure a clean, long-lasting seal in kitchens and bathrooms…

SilPruf™ SCS9000 NB Sealant

Repel airborne dust and dirt, reduce streaking and maintain the appeal of your building with SilPruf SCS9000 NB sealant.

Repel airborne dust and dirt, reduce streaking and maintain the appeal of…

SCS1700 Sanitary

Ensure a clean, long-lasting seal with SCS1700 Sanitary sealant. This silicone sealant remains resistant to mold and mildew growth, year after year.

Ensure a clean, long-lasting seal with SCS1700 Sanitary sealant. This…

UltraPruf™ II SCS2900

Give windows and curtain wall joints the protection they need from the elements with UltraPruf II SCS2900 – our high-performance weatherproofing silicone sealant.

Give windows and curtain wall joints the protection they need from the…

TOSSEAL™ 381

Whether it’s glass to glass, glass to metal, or prefabricated builds - get a secure bond with TOSSEAL 381 silicone sealant.

Whether it’s glass to glass, glass to metal, or prefabricated builds - get…

TOSSEAL™ 83

Get long term mildew protection for kitchens, bathrooms and plumbing fixtures with TOSSEAL 83 Mildew Resistant Silicone Sealant.

Get long term mildew protection for kitchens, bathrooms and plumbing…

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Elemax™ Air & Water-Resistive Barrier Coatings

Protect your building against wet weather, air intrusions, damaging UV and extreme temperatures, with Elemax™ Air and Water-Resistive Barrier Coatings.

Enduris™ Roof Coatings

Extend the life of a roof by decades. Create seamless, waterproof barriers and stop leaks with Enduris™ Silicone Roof Coatings.

Optic™ & SilShield™ Architectural Coatings

Create a seamless, waterproof membrane - enhance and preserve building exteriors with Optic™ & SilShield™ Architectural Coatings.

UltraGlaze™ Structural Silicone Glazing Sealants

Push the boundaries of building design with time-tested, precision-engineered UltraGlaze™ Structural Silicone Glazing (SSG) Sealants.

EdgeSil™ Insulating Glass Sealants

Seal in lasting performance and energy efficiency in insulating glass systems. Secure sweeping views and enable modern architectural marvels with EdgeSil™ Insulating Glass Sealants.

RapidStrength™ & SilGlaze™ II Residential Glazing Sealants

Create flexible, weatherproof residential window and door systems that are made to last, with RapidStrength™ & SilGlaze™ II Residential Glazing Sealants.

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