Sign in to your Account at Dow
Sign in with your account details to get access to our exclusive content.
Why Register?
Product Information
Access datasheets, exclusive content and applications
Samples
Request Samples to support formulation work
Stay Updated
Receive the latest news about products, news and more!
Weatherproofing
Weatherproof your construction with silicone sealants and coatings
Usher in greater sustainability and reduce lifetime costs with high-performance weatherproofing solutions for your entire building envelope. Whether renovating or building new, you can stop air and water infiltration to achieve your energy-efficiency goals with our broad range of silicone sealants, coatings and pre-formed sealants.
From long-lasting sealants featuring versatile movement capabilities and precise color match, to breathable silicone elastomer coatings that fight seasonal thermal expansion-contraction, to pre-formed sealants that offer a more efficient way to repair failed building weatherseals, our weatherproofing solutions give you competitive edge in protection and performance.
Across all weatherproofing applications, our silicone solutions offer significant benefits such as:
Color it Right Silicone Sealants Program
Find the perfect color to match your substrates and get the fast deliveries you need to keep the job moving. With the Dow Color It Right program, you gain a broader spectrum of color choices for your silicone construction sealants. With these three levels of selection, you're always sure to color it right.
Building Envelope Protection Program
The BEPP from Dow is tailored for property owners and facility managers. It combines the benefits of our high-performance building sealants and solutions, with personalized service and support. It also provides you the assurance of our industry-leading weathersealing warranties.
Featured silicone weatherproofing solutions
Sealants
Find silicone weatherproofing wet sealants designed for lasting performance, versatile movement and precise color match.
Coatings
Find coating products that solve seasonal thermal expansion-contraction, even on EIFS panels.
Pre-formed Sealants
Find durable and attractive pre-formed sealants that offer an efficient way to repair weatherseals without removing the old caulk.
DOWSIL™ Contractors Paintable Sealant
This one-part, fast-curing, non-sagging, elastomeric hybrid sealant cures quickly and is paintable as soon as it is tack-free.
DOWSIL™ ALLGUARD Silicone Elastomeric Coating
Designed to waterproof above-grade exterior masonry substrates. DOWSIL™ ALLGUARD Silicone Elastomeric Coating is available in 55 standard colors and unlimited custom colors. Safety Data Sheets are available for each of the three tint bases: Pastel, Mid Tone, and Deep.
DOWSIL™ 123 Silicone Seal
A pre-formed, ultra-low modulus silicone extrusion that is bonded to substrates using DOWSIL™ 791 Silicone Perimeter Sealant or DOWSIL™ 795 Silicone Building Sealant. This product can be used in both new and remedial construction applications.
DOWSIL™ Membrane Dual
For indoor and outdoor use.* Provides vapor control according to EN 13984High water vapor resistance factor (μ-value = 100 000). * The substrate must be clean, tight and dry prior to the application of the adhesive.
DOWSIL™ Membrane Outside 0.6mm
For outdoor use only.* Provides vapor control according to EN 13984. Open to water vapor diffusion, permitting trapped moisture to dry out. * The substrate must be clean, tight and dry prior to the application of the adhesive.
DOWSIL™ 300 Adhesive
Adhesive for DOWSIL™ Membrane installation (SMP technology). Excellent durable adhesion performance under wet conditions* and isocyanate-free.
Learn more about our silicone weatherproofing solutions
Enabling many of the world’s tallest buildings
Of the world’s tallest buildings, the large majority contain Dow silicones improving energy efficiency, design freedom, occupant comfort and more.
Delivering faster and more cost-effective solutions
Restore for more with DOWSIL™ Brand sealants that offer proven products. Confidently meet unique challenges at every level, getting more from your restoration and renovation projects.
Building, Construction & Infrastructure Case Studies
Explore Dow’s library of case studies from across the world to learn more about how customers are using DOWSIL™ products to solve their challenges.
We are committed to connecting you with experts and resources to tackle any challenge.
New products, news, events, and more delivered to your inbox.