Dowsil Sealant & Caulking Guns

Dowsil Sealant & Caulking Guns at MyToolShed.co.uk

Dowsil, formerly known as Dow Corning, represents the gold standard in professional-grade sealants and silicone technology. With decades of innovation in material science, Dowsil delivers high-performance sealing solutions trusted by tradesmen, builders, and construction professionals across the UK. Their comprehensive range of sealants is designed to meet the demanding requirements of commercial and industrial applications, offering superior adhesion, durability, and weather resistance.

Whether you're working on weatherproofing, glazing, sanitary installations, or structural sealing projects, Dowsil's advanced formulations provide reliable, long-lasting results. From neutral-cure silicones to specialist construction sealants, each product is engineered to perform in challenging conditions whilst maintaining flexibility and strength over time.

Why Choose Dowsil?

• Proven Heritage: Backed by decades of silicone technology expertise and continuous research and development in advanced materials
• Professional Performance: Formulated specifically for demanding commercial and industrial applications where reliability is non-negotiable
• Superior Adhesion: Excellent bonding to a wide range of substrates including glass, metal, plastics, and masonry without primers
• Weather Resistance: Outstanding UV stability and resistance to extreme temperatures, ensuring long-term performance in UK weather conditions
• Low Odour Formulations: Neutral-cure options ideal for occupied spaces and sensitive environments
• Industry Compliance: Products meet stringent British and European standards for construction and glazing applications

Popular Dowsil Products

Dowsil's portfolio includes several industry-leading sealant formulations. Their neutral-cure silicone sealants are particularly valued for glazing and sanitary applications, offering low modulus properties that accommodate movement without damaging substrates. The high-modulus construction sealants provide exceptional structural bonding for facades and weatherproofing projects.

For specialist applications, Dowsil offers fire-rated sealants that maintain integrity during fire exposure, and weatherproofing mastics designed for external joinery and cladding. Their products are compatible with standard caulking guns and professional pneumatic dispensing systems for efficient application on site.

Frequently Asked Questions

What's the difference between Dowsil and Dow Corning?

Dowsil is the new brand name for Dow Corning's construction sealants and silicones. The rebrand reflects the same trusted formulations and quality you've relied on for years, with continued innovation in sealing technology.

Can Dowsil sealants be used externally in UK weather?

Yes, Dowsil sealants are specifically formulated to withstand UK weather conditions, including temperature fluctuations, UV exposure, and moisture. They maintain flexibility and adhesion across a temperature range suitable for British climates.

Do I need a primer with Dowsil products?

Most Dowsil sealants offer excellent primerless adhesion to common substrates like glass, aluminium, and painted surfaces. However, porous or difficult surfaces may benefit from priming—always check the specific product technical data sheet for guidance.