DOWSIL Sealant Selection

Our product range includes an industry-leading variety of over 60 silicone caulking colors from Dow Chemical.
Download our CWS Colour Chart to see our complete range.
Download Colour Chart
As an authorized distributor of Dow, we carry the following Dowsil Chemical products:
Dowsil CWS

DOWSIL™ Contractors Weatherproofing Sealant

The DOWSIL™ Contractors Weatherproofing Sealant is single-component sealant that is engineered to cure upon exposure to moisture. It is designed as a medium modulus sealant to facilitate durable, flexible, and watertight joints. It stands out for its exceptional adhesion capabilities to both porous and non-porous surfaces, generally requiring no priming. This makes it perfectly suited for sealing dynamically moving joints.

DOWSIL™ Contractors Concrete Sealant

DOWSIL™ Contractors Concrete Sealant

Designed for concrete and precast applications, the DOWSIL™ Contractors Concrete Sealant is a single-component silicone sealant that cures upon contact with moisture. It features a 100% silicone, low modulus formula that reduces the stress exerted on the bondline-with the substrate. Ideal for creating lasting, flexible, and waterproof seals in joints, this sealant is particularly effective in masonry settings. It adheres remarkably well without priming and maintains its integrity through extreme joint movements.

DOWSIL™ 790 Silicone Building Sealant

DOWSIL™ 790 Silicone Building Sealant

The DOWSIL™ 790 Silicone Building Sealant is an ultra-low-modulus, single-component silicone elastomeric sealant crafted for tasks requiring high-movement weather sealing. Its neutral-cure composition ensures excellent adhesion to concrete and other porous surfaces without the need for a primer. Available in a wide array of colors, it offers versatile options to match various aesthetic demands.

DOWSIL™ 791 Weatherproofing Sealant

DOWSIL™ 791 Weatherproofing Sealant

The DOWSIL™ 791 Weatherproofing Sealant is a new single-component, medium-modulus, neutral cure silicone elastomeric sealant. It is crafted for optimal use in weather sealing tasks. Available in an array of colors, it cures to form a durable, flexible silicone rubber weatherseal joint, ensuring enhanced durability and performance to meet the specific needs of your building.

DOWSIL™ 121 Structural Glazing Sealant

As a quick-setting structural silicone sealant that’s engineered for dual functionality, the DOWSIL™ 121 Structural Glazing Sealant excels in both structural support and weathersealing applications. It is particularly effective in the assembly, installation, or repair of structurally glazed glass, making it a reliable solution for various project needs.

DOWSIL™ 795 Silicone Building Sealant

DOWSIL™ 795 Silicone Building Sealant

Discover the DOWSIL™ 795 Silicone Building Sealant, a versatile, one-component, medium modulus, neutral-cure silicone sealant, designed for both weatherseal and structural applications. It offers excellent adhesion to a variety of materials, including glass, metal, and aluminum. Dowsil 795 is approved for both 2-sided as well as 4-sided structural glazing.

DOWSIL™ 995 Silicone Structural Sealant

DOWSIL™ 995 Silicone Structural Sealant

The DOWSIL™ 995 Silicone Structural Sealant is a one-component, neutral-cure elastomeric adhesive. It offers remarkable unprimed adhesion to a variety of building materials, excelling in applications requiring high-performance bonding. Especially effective in hurricane or impact-rated window and door installations, it features a substantial movement capacity of +/- 50%, making it a top choice for demanding structural glazing tasks.

DOWSIL™ 1199 Silicone Glazing Sealant

DOWSIL™ 1199 Silicone Glazing Sealant

This one-part, neutral-cure RTV sealant is tailored for use in automated glazing systems. With its exceptional adhesion capabilities, the DOWSIL™ 1199 Silicone Glazing Sealant works great as a backbedding sealant in sash assemblies. It also excels in cap, toe, or heel bead applications.

DOWSIL™ 999A Silicone Glazing Sealant & Dowsil Glazing Sealant

DOWSIL™ 999A Silicone Glazing Sealant & Dowsil Glazing Sealant

The DOWSIL™ 999A Silicone Glazing Sealant & Dowsil Glazing Sealant are one-part sealants that activate and cure when exposed to atmospheric moisture, creating a robust and supple seal perfect for both glazing and curtain wall uses. They are specifically formulated for glass shop glazing requirements and are suitable for a wide range of applications, such as general glazing tasks, backlite replacements, and skylight installations.

DOWSIL™ 786 Silicone Sealant and Tub Tile & Ceramic Sealant

DOWSIL™ 786 Silicone Sealant and Tub Tile & Ceramic Sealant

The DOWSIL™ 786 Silicone Sealant and Tub Tile & Ceramic Sealant are engineered to create an effective seal on nonporous surfaces commonly found in wet areas such as showers, tubs, sinks, and around plumbing fixtures. Boasting mildew resistance, they perform exceptionally well in environments with high humidity and fluctuations between temperature extremes.

DOWSIL™ Contractors Paintable Sealant

DOWSIL™ Contractors Paintable Sealant

The DOWSIL™ Contractors Paintable Sealant is a one-part, non-sag sealant. It’s distinguished by its quick curing time and suitability for medium movement conditions. Composed of silyl-terminated polyether (STPE), this hybrid sealant has a unique set of features including paintability and unprimed adhesion to both porous and non-porous substrates. It’s ideal for all general weather sealing applications.

DOWSIL™ 123 Silicone Seal

As a pre-formed silicone extrusion, featuring an ultra-low modulus, the DOWSIL™ 123 Silicone Seal can be bonded to various substrates using the DOWSIL™ 791 Silicone Perimeter Sealant or DOWSIL™ 795 Silicone Building Sealant. Tailored for versatility, it caters to applications in both new constructions and renovation projects

DOWSIL™ 756 SMS Building Sealant

DOWSIL™ 756 SMS Building Sealant

The DOWSIL™ 756 SMS Building Sealant is a one-part, medium-modulus silicone elastomeric sealant that features a neutral-curing formula optimized for enhancing the aesthetic appeal of sensitive substrates. Its application spans skylights, glass facades, porous natural stone, and panel systems, all with a focus on mitigating staining and residue rundown streaking. Available in multiple colors.

DOWSIL™ 758 Silicone Weather Barrier Sealant

DOWSIL™ 758 Silicone Weather Barrier Sealant

As a one-part, neutral cure silicone sealant is designed for adhesion to peel and stick air/vapor barriers, the DOWSIL™ 758 Silicone Weather Barrier Sealant simplifies the sealing process without the need for priming. It achieves strong adhesion on demanding, low surface energy surfaces and is versatile enough to bond with various materials such as air and weather barriers, window flashings, and other crucial fenestration components.

Dow DOWSIL™ Allguard

Dow DOWSIL™ Allguard

Dow DOWSIL™ Allguard is an innovative elastomeric coating tailored for exterior architectural applications, renowned for its unique blend of UV stability and breathability, attributes intrinsic to silicone polymers. These characteristics promote moisture dispersal from the structure, thereby minimizing the risk of mold development under most conditions. We are proud to offer the top architectural paint and coating warranty in the industry: a 10-year non-prorated warranty covering both materials and labour.

DOWSIL™ 982 Silicone Insulating Glass Sealant

DOWSIL™ 982 Silicone Insulating Glass Sealant

The DOWSIL™ 982 Silicone Insulating Glass Sealant is a two-part silicone sealant tailored to perform in two key areas: as a secondary sealant for dual-sealed insulating glass units and for insulating glass units used in structural glazing. After curing, it forms a robust, high-modulus, and flexible silicone seal. The chemical stability of the sealant guarantees prolonged effectiveness and creates a secure, weathertight connection. It bonds well to various materials, such as glass and metals including galvanized steel and aluminum, with no priming required.

DOWSIL™ 983 Structural Glazing Sealant

DOWSIL™ 983 Structural Glazing Sealant

The DOWSIL™ 983 Structural Glazing Sealant is engineered for specific scenarios where both structural and weatherseal applications are required, particularly in the realm of factory glazing and curtain wall production. After curing, this structural sealant creates a robust, flexible, and watertight bond that is warranted for 20 years. It’s suited for ±25% movement weatherseal applications. Notably, it exhibits remarkable unprimed adhesion to glass, alodine, and anodized aluminum. While DOWSIL™ Primer-C OS is recommended to ensure swift and consistent adhesion, the 983 Structural Glazing Sealant is especially efficient on high-performance substrates approved for architectural structural glazing applications.

DOWSIL™ 3363 Insulating Glass Sealant

DOWSIL™ 3363 Insulating Glass Sealant

The DOWSIL™ 3363 Insulating Glass Sealant is a specialized two-part silicone sealant with elevated strength for demanding applications where traditional sealants falter. This high-strength sealant is an economical solution for insulating glass applications in challenging scenarios, such as high winds in skyscrapers, hurricane forces, cold-bent glass, or high-impact events like bomb blasts. Its ability to work with smaller joint dimensions not only increases productivity but also allows for faster application.

DOWSIL™ 888 Silicone Joint Sealant

DOWSIL™ 888 Silicone Joint Sealant

Designed to cure into a low-modulus silicone rubber when exposed to atmospheric moisture, the DOWSIL™ 888 Silicone Joint Sealant is a single-component, non-sag silicone that can be applied in a wide range of temperatures. It is specifically designed to excel in high traffic concrete areas.

DOWSIL™ 890-SL Silicone Joint Sealant

DOWSIL™ 890-SL Silicone Joint Sealant

Composed as a single-component, self-leveling silicone, the DOWSIL™ 890-SL Silicone Joint Sealant cures into ultra-low-modulus silicone rubber when it comes into contact with atmospheric moisture. The silicone rubber that results is flexible within temperatures ranging from -20 to 300°F. It’s tailored to sealing applications on concrete surfaces and in the joints between concrete and asphalt pavement.

DOWSIL™ 902 RCS Joint Sealant

DOWSIL™ 902 RCS Joint Sealant

Comprising two parts, this self-leveling sealant is cold-applied and cures quickly. The DOWSIL™ 902 RCS Joint Sealant is crafted from ultra-low-modulus 100 percent silicone rubber, making installation straightforward. Its main function is to efficiently seal expansion joints that experience both thermal and vertical movements, typically due to traffic loads.

 

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