Hertfordshire · England

Remedial Sealant in Thundridge

Remedial sealant in Thundridge from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.

  • Gaps opening along the back of the worktop
  • Sealant peeling off a dusty or damp surface
  • Wide, uneven beads that look worse than the old ones

Remedial sealant for Thundridge homes and businesses

What we cannot put right

A few problems are outside what sealant work can do:

  • Plumbing leaks behind walls or under trays
  • A tray or bath that’s cracked
  • Failed tanking or loose tiles behind the sealant

If you’re not sure, just ring 0345 464 0079 or drop us an email and we will give you a straight answer.

Where we work in Thundridge

  • Shrunken worktop sealant
  • Mouldy bath & shower sealant
  • Botched or over-sealed joints
  • Expansion joints
  • Failed movement joints
  • Leaking tray & enclosure joints

About our remedial sealant in Thundridge

With more than 20 years’ experience, our applicators have seen most of the ways sealant can fail. We’re fully insured ARBOMaster approved applicators, and every remedial job comes with a 12-month guarantee. We work on botched or over-sealed joints, failed movement joints and shrunken worktop sealant, and common reasons people get in touch are gaps opening along the back of the worktop and caulk or the wrong sealant used in a wet area.

Homes around Thundridge are mostly houses and cottages rather than flats. Sealant and grout wear out here just as they do anywhere: old material cut out, joints cleaned and a fresh finish laid.

All of our work is guaranteed for twelve months.

Location
Thundridge (SG12)
Wider area
Hertfordshire
Cover
12 months on all our work
Quotes
A clear quote up front
Call
0345 464 0079
Page updated
26 October 2026
Close-up of hands using a sealant gun on the joint between a glass shower screen and tiles

Do you need remedial sealant in Thundridge?

Silicone only bonds to surfaces that are clean and dry. Soap film, dust, damp or old residue stop it gripping, so it starts lifting sooner than it should.

It’s worth asking for a quote if you see:

  • Kitchen joints letting water behind the worktop
  • Torn expansion joints
  • Repeat leaks from the same joint
  • Wide, uneven beads that look worse than the old ones

In the older streets around Parish Church of St Mary, bathrooms in older houses have often been refitted more than once, with sealant laid over sealant.

Before booking anyone

  • Who turns up on the day
  • Whether they seal over old material or remove it
  • The length of the guarantee
  • Is VAT in the price?

10 questions to ask before booking

Different surfaces, different methods

Over-sealed & botched joints

A thick bead smeared across tiles often hides mould or gaps. Taking it back shows what’s underneath, and then we reseal it neatly.

Leaking trays & enclosures

When failed joints are the cause, they’re all cut out and renewed, including the screen profile and tray edges.

Can I do it myself?

If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so tell us about it when you ask for a quote.

If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.

What remedial sealant looks like in Thundridge

Hard water is the norm across most of the South East, so limescale builds up on sealant, grout and fittings.

Managing a site like Thundridge Church of England Primary School? Then we reseal washrooms and kitchens in schools and businesses as well as homes. If you let a flat or house near Ware station, botched sealant from a previous quick fix is easier to strip out between tenants.

Thundridge is about 1 mile north of Ware, in Hertfordshire. Anywhere in SG12, we can carry out remedial sealant at your property. Our Hertfordshire coverage runs to 381 places, and Thundridge is one of them. We also work in London, around 23 miles away.

Every address in SG12 is within our area for remedial sealant, from the main roads to the quietest streets. Remedial sealant is available to properties on Woodlands Road, Cold Christmas Lane and Ducketts Wood and the roads around them. Other places close to Thundridge include Wadesmill (1 mile north), Cold Christmas (1 mile east), High Cross (1 mile north), Ware (1 mile south) and Tonwell (2 miles west). Within a short drive, we also cover Stevenage (8 miles north-west), St Albans (14 miles south-west), Bishop's Stortford (8 miles east), Welwyn Garden City (7 miles west), Harpenden (14 miles west) and Hitchin (13 miles north-west).

Landmarks near Thundridge

We work in homes and buildings around Sow & Pigs pub and The Chauncy School. For rail, the closest station is Ware station, roughly 1.8 miles south. Well-known places in the area include Hertford County Hospital (3.6 miles south-west) and Barrowfield (2.5 miles south). For a walk, there’s King's Meads.

Map of Thundridge © OpenStreetMap contributors

Thundridge: your questions answered

Do you cover Thundridge for remedial sealant?

Yes. We work across London and the South East, and Thundridge is part of that. You can ring 0345 464 0079 or send us an email and let us know what needs doing.

Do you cover smaller places like Thundridge?

Yes, Thundridge is covered. We work across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.

Do you fix expansion and movement joints?

Yes. Failed movement joints are cut out and resealed with backing and a flexible sealant suited to the movement.

Do you guarantee remedial jobs?

Yes. Our one-year guarantee covers the work.

Does someone need to be in?

It depends on the job. For work indoors, someone needs to let us in.

Where is Mr Mastic based?

We’re based in Crawley, West Sussex, and we cover South East England, London and all of Scotland.

Do you work for landlords and businesses?

Yes. As well as homeowners, we work for landlords, agents, businesses and hotels in Thundridge.

How do I get a quote for remedial sealant in Thundridge?

Every job is different, so each one gets its own quote. To get one, ring 0345 464 0079 or drop us an email and let us know what needs doing and where.

What happens if it’s left?

Remedial work takes longer than a straight reseal, but not by much: the work takes a few hours, depending on how many layers have to come out. Compared with chasing the same leak every few months, it’s time well spent. In a small place like Thundridge, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.

A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. We take all of that into account in your quote.

Why choose Mr Mastic in Thundridge

  • White, clear, grey or another colour, product permitting
  • Full insurance on every job
  • A sealant colour to suit the surroundings
  • 20+ years of sealant experience

Take a look at how sealant jobs are priced and our reviews.

Landlords, agents and businesses in Thundridge

Hotels need rooms back in use, so we plan the work room by room. We’ve worked in hotels as well as homes and businesses.

We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.

What we do, step by step

We keep the work tidy and contained to the area we’re working on. Expect the work to take a few hours, depending on how many layers have to come out. In a small place like Thundridge, access is normally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.

  1. The failure is looked at first, so we know whether it’s sealant, movement or water from elsewhere.
  2. Each layer is cut out and the residue cleaned off.
  3. We treat any mould and dry the joint thoroughly.
  4. We reseal with a product suited to the joint, backed where needed.
  5. The joint is tooled and you are told about anything else we found.

Getting ready for the visit

  • Let us know about stairs, lifts or work at height
  • Tell us about any previous sealing or DIY attempts
  • Keep pets and children clear of the area while we work

Ask for a quote

We quote each job on its own. Simply ring 0345 464 0079 or send us an email and describe the job and send pictures if you have them.

Ask for a quote

Advice

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job