The Mastic King

About The Mastic King

Mastic King provides professional mastic and sealant application services for residential and commercial properties throughout Kent and the South East. We specialise in bathrooms, kitchens, windows, doors, expansion joints, sanitary sealing, and all internal and external mastic work. Known for reliability, attention to detail, and high-quality workmanship, we deliver clean, durable finishes that protect and enhance homes, offices, retail units, and construction projects at competitive prices.

At Mastic King, we provide specialist mastic and sealant application services for residential, commercial, and construction projects across Kent and the South East. Our services include bathroom and kitchen sealing, sanitary silicone replacement, window and door perimeter sealing, floor joint sealing, movement and expansion joints, fire-rated sealants, cladding and curtain wall sealing, internal and external mastic application, waterproofing sealants, and decorative finishing.

We work with homeowners, builders, developers, housing associations, fit-out contractors, and commercial clients, delivering clean, precise, and long-lasting finishes on every project. Whether it's replacing mouldy bathroom silicone, sealing newly installed windows, or completing large-scale commercial sealant works, we use high-quality products and proven techniques to ensure a durable, professional result.

Mastic King is committed to reliability, attention to detail, and customer satisfaction, serving Maidstone, Ashford, Canterbury, Dartford, Sevenoaks, Tunbridge Wells, Medway, Folkestone, Dover, and all surrounding areas throughout Kent.

Mastic King is a trusted specialist in mastic and sealant application, providing high-quality sealing solutions for homes, businesses, and construction projects throughout Kent and the South East. From bathrooms, kitchens, and wet rooms to windows, doors, expansion joints, flooring, cladding, and external facades, we deliver neat, durable finishes designed to protect against water ingress, air leakage, and everyday wear and tear.

We pride ourselves on attention to detail, reliability, and exceptional workmanship, using premium-grade sealants to achieve long-lasting results. Whether you're a homeowner requiring silicone replacement, a contractor completing a new build, or a commercial client needing specialist joint sealing, Mastic King offers a professional, cost-effective service tailored to your requirements.