mastic & silicone sealant specialists
Professional mastic and silicone sealant application, replacement and finishing services for residential, commercial and construction projects across Hertfordshire, Buckinghamshire, Bedfordshire and London.
Clean Lines. Precision application. Long-lasting results.
Our Work
Explore a selection of recent mastic & sealant projects completed across Hertfordshire, Buckinghamshire, Bedfordshire and London. From bathrooms and kitchens to external joints and commercial applications, every project is finished with precision, attention to detail and a clean, professional finish.
Quality workmanship, colour-matched sealants and long-lasting results.
AREAS WE COVER
We provide professional mastic, silicone sealant replacement and sealant application services throughout Hertfordshire, Buckinghamshire, Bedfordshire and London.
Hertfordshire | Watford | Rickmansworth | St Albans | Croxley Green | Bushey | Borehamwood | Radlett | Hemel Hempstead
Buckinghamshire | Amersham |Chesham | High Wycombe | Aylesbury
Bedfordshire | Leighton Buzzard | Dunstable | Luton | Bedford
London | North London | West London | Central London
Our services include bathroom resealing, kitchen sealant replacement, colour-matched sealants, expansion joints, external windows sealing and commercial mastic application.
Our Services
Internal silicone application
We provide a professional silicone application for bathrooms, kitchens, and internal flooring - delivering clean lines, durable finishes, and precise colour matching.
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Bath, showers and wet rooms
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Kitchen sinks and worktops
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Toilets and sanitary ware
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Floor-to-skirting joints
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Internal movement and expansion joints
Ideal for new instillations, renovations, or replacing failed and mouldy silicone - restoring a clean, seamless finish.
Exterior silicone application
External sealing of windows, doors & external joints designed to handle movement, weather, and temperature changes - providing durable, weatherproof finishes with clean, precise application.
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External window and door frames
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Masonry-to-frame joints
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Movement and expansion joints
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Weatherproof perimeter sealing
Finished with attention to details and colour matching where required for a clean, consistent look.
Commercial silicone application
Professional mastic and sealant application for commercial projects - delivering clean finishes, reliable performance, and consistent quality across every stage of the build. We regularly support:
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Office and retail fit-outs
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New builds and refurbishments
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High-end interiors and retail spaces
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Manufacturing and light industrial sites
Commercial services include:
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Expansion and movement joints
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Hygienic and sanitary sealing
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Fire-rated sealant application (where specified)
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Internal & external sealing packages
Delivered with precision, consistency, and attention to detail across every project.
Looking for a trusted mastic man in Watford, Rickmansworth, St Albans, Amersham, Chesham or the surrounding areas? Contact LS Mastic Services for a free quotation.
FOLLOW THE WORK
Request a Quote
Whether you're looking for high-end residential waterproofing or precision commercial mastic sealant, we provide tailored solutions for your specific needs.
Contact Details
QUALITY SEALANT SERVICES // LS MASTIC SERVICES