Dowsil Silicone Sealants | MyToolShed.co.uk Categories

Dowsil Silicone Sealants | MyToolShed.co.uk

Dowsil Sealants at MyToolShed.co.uk

MyToolShed.co.uk stocks a comprehensive range of Dowsil professional-grade sealants and adhesives, representing some of the most trusted silicone-based solutions in the construction and maintenance industries. As the world's leading manufacturer of silicone products, Dowsil (formerly Dow Corning) brings over 75 years of research and development expertise to every cartridge. Our collection includes specialist formulations engineered for demanding applications—from the weatherproof Dowsil 791 for external sealing and the bacteria-resistant Dowsil 785+ for bathrooms, through to the food-grade Dowsil 786 and the fire-rated Dowsil Firestop 400 intumescent acrylic sealant.

What distinguishes Dowsil from competitors is their unwavering commitment to performance consistency and application-specific engineering. Rather than generic all-purpose formulations, each product is scientifically developed for particular environments and substrates—neutral cure options that won't corrode sensitive metals, hygiene-critical compounds for commercial kitchens, and professional glazing sealants like the Dowsil 799 Glaze and Go. MyToolShed.co.uk ensures tradespeople have access to the complete range of Dowsil solutions for every professional sealing requirement.

Who Uses Dowsil Sealants?

• Glaziers and window fitters installing UPVC, aluminium and timber frames
• Bathroom fitters and plumbers sealing sanitaryware, showers and wet rooms
• General builders requiring weatherproof external sealing solutions
• Shopfitters installing mirrors, glass partitions and display fixtures
• Commercial kitchen installers working in food preparation environments
• Maintenance contractors managing commercial and residential properties
• Facade specialists sealing curtain walling and cladding systems
• Fire protection contractors installing fire-rated sealing systems
• DIY enthusiasts tackling bathroom, kitchen and glazing projects

Why Choose Dowsil from MyToolShed.co.uk?

• Proven reliability: Over 75 years of silicone technology expertise with consistent, predictable performance across all formulations
• Application-specific engineering: Dedicated solutions for external weatherproofing, bathroom sealing, food-grade environments, glazing and fire protection
• Long-term durability: Service life expectancy of 20+ years in most applications when correctly installed
• Professional specification: Trusted on commercial projects where material failure results in costly remedial works
• Comprehensive technical support: Detailed product data sheets and compatibility information for confident specification
• Competitive pricing at MyToolShed.co.uk: Professional-grade sealants at trade-friendly prices with reliable UK delivery
• Complete range availability: Access to specialist formulations from neutral cure silicones through to intumescent fire sealants

Popular Dowsil Product Categories

Neutral Cure Silicone Sealants

The Dowsil 781, 785N and 785+ formulations offer neutral cure silicones that won't corrode metals, damage sensitive substrates or emit strong odours during curing—ideal for aluminium, coated metals, mirrors and sanitaryware applications.

Weatherproof External Sealants

Dowsil 791 Weatherproof Outdoor Silicone Sealant delivers exceptional UV resistance, weather durability and movement accommodation for facade sealing, perimeter pointing and external joint applications exposed to British weather conditions.

Bacteria-Resistant Bathroom Sealants

Dowsil 785+ provides bacteria-resistant protection for hygienic surfaces around baths, showers, basins and sanitaryware, with neutral cure formulation preventing corrosion of chrome fittings and frames.

Professional Glazing Sealants

Specialist formulations including Dowsil 799 Glaze and Go for rapid skinning times and high-productivity glazing work, plus Dowsil 784 Glazing Sealant for professional glass installation applications.

Food-Grade and Specialist Sealants

Dowsil 786 Food Grade Silicone Sealant meets stringent regulatory requirements for commercial kitchens and food preparation areas, whilst Dowsil 817 Mirror Adhesive provides secure, long-lasting mirror mounting without silvering damage.

Fire Protection Sealants

Dowsil Firestop 400 Intumescent Acrylic Sealant delivers essential fire protection for compartmentation and penetration sealing, helping meet Building Regulations Part B requirements.

Dowsil FAQs

Is Dowsil suitable for professional use?

Absolutely. Dowsil is widely regarded as one of the premium sealant brands in the construction industry, trusted by professional tradespeople for critical applications where performance and longevity are essential. Their products are frequently specified for commercial projects where consistent quality is non-negotiable.

What's the difference between Dow Corning and Dowsil?

Dowsil is the rebranded name for Dow Corning's construction sealants and adhesives range, introduced in 2018. The products remain the same proven formulations that professionals have trusted for decades—only the branding has changed, with identical performance characteristics.

How long do Dowsil silicone sealants last?

When correctly applied to properly prepared substrates, Dowsil silicone sealants typically provide service life expectancy of 20+ years in most applications. External weatherproof formulations like the Dowsil 791 are specifically engineered to resist UV degradation and weathering throughout their extended service life.