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Sealant & Caulking Guns

Applicator guns are essential tools for dispensing adhesives, sealants, and expanding foam products with control and minimal waste. Whether you're applying sealant around window frames, dispensing PU adhesive foam for insulation, or using a contractor foam pack on site, the right gun makes the job cleaner and more efficient. At McMahons, we stock applicator guns designed for use with the foam and adhesive products in our range.

Our Applicator Gun Range

Our selection focuses on the gun systems suited to the products we stock, including the Soudal Genius Gun system used with gun-grade expanding foam.

  • PU foam applicator guns - professional-grade guns designed for use with gun-grade polyurethane expanding foam, allowing precise, controlled application with reduced waste and extended can life.
  • Standard cartridge guns - skeleton-frame guns for applying 310ml cartridge products including silicone sealants, hybrid adhesives, and frame sealants.
  • Foam contractor kits - bundle packs combining foam canisters, applicator guns, and cleaner, offering a complete solution for high-volume site use.

Pair your applicator gun with the right product from our full Adhesives & Sealants range, or browse our General Purpose Sealants for cartridges suited to your next job.

Consider the type of product you will be dispensing most frequently. Gun-grade foam requires a dedicated foam gun, while cartridge sealants and adhesives work with standard skeleton or ratchet guns. Keeping a cleaner to hand extends the life of reusable foam guns significantly.

Why Choose McMahons for Your Applicator Guns?

With nearly 200 years serving Irish builders and tradespeople, McMahons understands what professionals need from their tools. Our branches stock proven products alongside expert guidance from staff who can advise on the right gun for your application. For streamlined ordering and trade pricing, set up a McMahons trade account today.