MILTONS
mASTIC MAN & SEALANT SPECIALISTS
GLOUCESTER, BRISTOL & BIRMINGHAM
Local MASTIC MAN & SEALANT Specialists.
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MASTIC MAN & SEALANT EXPERTS.
30 YEAR SPECIALISTS
GLOUCESTER, BRISTOL & BIRMINGHAM
Milton’s mastic men is a family run business of trusted experts in bath, shower, sink and full bathroom, kitchen and floor resealing.
Milton’s Mastic Men has 100s of Google Reviews & Trustpilot Reviews
Milton’s Technicians has over 30 years experience in mastic and sealing services. Internal and external sealant experience
Milton's Mastic & Sealant Experts
Milton’s have over 30 years experience in residential and commercial mastic and sealing services with both internal and external works.
Miltons Mastic Men are fully experienced and trained. Fully insured and with years of experience there is no job we cannot do.
We offer bath, shower and sink resealing. Full Bathroom and Shower Cubicle Resealing. Full Kitchen and Floor Resealing.
Miltons Repairs & Sealants has 100s of 5 Star Google Reviews & Trustpilot Reviews across all our locations.
We are highly recommended by our customers.
Reasons to Hire a Professional Mastic Man in Gloucestershire
Expertise in Sealant Types
A professional knows exactly which sealant is right for the job—whether it’s anti-mould silicone for a shower tray or flexible mastic for expansion joints.
Flawless Finish and Attention to Detail
DIY sealant often ends up lumpy or uneven. A professional delivers crisp, clean lines for a polished and professional appearance.
Prevents Water Damage
Proper sealing stops water from seeping behind tiles, into walls or under floors, which can lead to costly repairs from rot or mould.
Professional Tools and Techniques
From sealant guns with adjustable pressure to smoothing tools and industry-grade sealants, professionals have equipment designed for precision and durability.
Long-Lasting Results
With the correct application and high-quality sealant, your joints will stay watertight and look fresh for years.
Saves Time and Hassle
Removing old mastic, prepping the surface, and applying new sealant correctly is time-consuming without the right tools and experience.
Signs Mastic Resealing is Needed
Cracked or Peeling Sealant
When the sealant starts to split, peel, or flake away, it can no longer provide a watertight seal. This leaves surfaces vulnerable to water damage and mould growth.
Gaps or Separation
Visible gaps between tiles, sinks, tubs, or worktops and the sealant are clear indicators the mastic has pulled away or failed. These spaces can quickly become entry points for water and grime.
Mould and Mildew Growth
If you notice black or discoloured spots forming on or around the sealant, it’s often a sign of trapped moisture due to poor sealing. Even anti-mould sealants eventually wear out and need replacing.
Discoloration or Yellowing
Old mastic can yellow over time, especially when exposed to cleaning chemicals or UV light. Stained or dirty-looking sealant detracts from your bathroom or kitchen’s appearance.
Water Leaks or Damp Patches
Leaks or signs of water damage around joints—such as near the bath, shower, or sink—can mean the sealant has failed and is no longer keeping water out effectively.
Loose Fixtures or Tiles
Improper or degraded sealing can lead to movement in tiles or fixtures, which accelerates wear and may eventually cause tiles to lift or crack.
Our Process: Step-by-Step Mastic Application
Assessment & Consultation
We begin by evaluating the areas that require sealing or resealing. Whether it’s a bathroom, kitchen, or window frame, we assess the condition of existing sealant, check for signs of mould or damage, and recommend the best solution.
Removal of Old Sealant
Proper preparation is essential. We carefully remove any old, cracked, or mouldy mastic to ensure a clean surface. This step prevents adhesion issues and improves the longevity of the new application.
Cleaning & Surface Preparation
All surfaces are thoroughly cleaned and degreased to eliminate dust, grime, or soap scum. We may use specialist cleaners depending on the surface type. A clean substrate ensures maximum bond strength for the new sealant.
Precision Masking
We apply masking tape to the surrounding area to protect surfaces and ensure razor-sharp lines. This helps create a neat, professional finish with no messy overflow or smearing.
Application of New Sealant
Using high-quality, anti-mould silicone or mastic sealant, we apply a consistent, even bead along all necessary joints. The choice of sealant is tailored to the specific environment—whether it’s high-moisture areas like showers or high-traffic zones like kitchens.
Tooling and Finishing
We smooth the sealant with professional tools, shaping it for a clean and seamless look. This not only enhances the appearance but also ensures a watertight and secure bond.
Final Inspection & Clean-Up
Once the sealant is applied and finished, we remove masking tape and clean up the work area. We carry out a final inspection to make sure the results meet our high standards—and your expectations.


















