West Berkshire · England
Plastow Green Remedial Sealant
Remedial sealant for Plastow Green, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- 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
DIY sealant or a professional job?
The biggest DIY mistake is sealing over old sealant. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
If you do try it yourself, take your time over the 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.
Remedial sealant for homes and businesses in Plastow Green
Water on the floor does not always mean failed silicone. A cracked tray, a failed shower valve or a leaking waste can look just the same. If that’s what we find, we’ll tell you rather than reseal something that will not fix it. Common call-outs are for repeat leaks from the same joint and sealant peeling off a dusty or damp surface, on botched or over-sealed joints, expansion joints and failed movement joints.
Around Plastow Green, it’s 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.
You are covered for a year from the day we finish. If anything isn’t right with it, phone 0345 464 0079 or send us an email.
- Where
- Plastow Green (RG19)
- Wider area
- West Berkshire
- Guarantee
- 12 months on all our work
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026

Also near Plastow Green
Also in Plastow Green
What happens if it’s left?
Mould under a bead cannot be reached by cleaning. Removal is the only way to get at it. Where a wall is exposed, as many are in small places like Plastow Green, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
Combining jobs into one visit is normally more efficient than separate visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.
Why choose Mr Mastic in Plastow Green
- A 12-month guarantee on all work
- Neat joints and a tidy finish
- White, clear, grey or coloured to suit, where the product allows
- ARBOMaster approved applicator
Take a look at our cost guide or what customers say.
Landlord and commercial work in Plastow Green
Hotels need rooms back in use, so the work can be planned room by room. We have worked in hotels as well as homes and businesses.
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. Several properties can be quoted together.
Bathrooms and kitchens in Plastow Green
Most of the South East has hard water, so limescale builds up on sealant, grout and fittings.
If you live in an older home near Church of St Paul, bathrooms in older houses have often been refitted more than once, with sealant laid over sealant. If you let a flat or house near Thatcham station, failed or mouldy sealant is worth putting right between tenancies, before it turns into a leak.
Plastow Green is about 4 miles south of Thatcham, in West Berkshire. From the centre of Plastow Green to the outskirts, remedial sealant is available for homes and businesses alike, from flats and houses to offices and hotels. Plastow Green is one of 155 towns and villages in West Berkshire where we work. Reading is on our list too, around 13 miles away.
Postcode districts we cover here for remedial sealant: RG19. We also cover Goose Hill (1 mile north-east), Mill Green (1 mile north), Headley (1 mile north-west), Fair Oak (1 mile east) and Ashford Hill (1 mile east). Larger places within reach include Newbury (5 miles north-west), Thatcham (4 miles north), Burghfield Common (8 miles north-east), Speenhamland (5 miles north-west), Hungerford (13 miles west) and Spencers Wood (12 miles east).
Near you in Plastow Green
Plastow Green’s nearest station is Thatcham station, about 2.9 miles north of the centre. Other landmarks nearby include West Berkshire Community Hospital (4.4 miles north-west) and Old Chapel Textile Centre (2.4 miles north-west). For a walk, there’s Ladle Hill and Thatcham Reed Beds.
What happens on the day
We keep the work tidy and contained to the area we are working on, so you can get on with your day. The job normally takes a few hours, depending on how many layers have to come out. Somewhere like Plastow Green needs a little journey planning: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- First we work out whether the problem is the sealant, movement or a leak.
- Each layer is cut out and the residue cleaned off.
- We treat any mould and dry the joint thoroughly.
- We reseal with a product suited to the joint, backed where needed.
- We finish neatly and point out anything that needs another trade.
Before we arrive
- Where the joints are inside, avoid wetting them before we arrive
- Clear the area around the work
- For business premises, tell us about site rules or sign-in
Get a quote
We quote each job on its own, so the first step is telling us about yours. Just call 0345 464 0079 or drop us an email with the details and send photos if you have them.
Advice
How the job changes by surface
Leaking trays & enclosures
A shower that leaks after resealing often has a tray that moves or an enclosure sealed on the wrong side. We check both before we reseal.
Movement & expansion joints
Some movement joints have been filled with mortar or grout. Where it can be raked out, we replace it with flexible sealant.
Do you need remedial sealant in Plastow Green?
Some joints fail because water is reaching them from behind. A slow leak behind the tiles soaks the joint from the back, and the sealant lifts or goes mouldy from underneath.
It’s worth asking for a quote if you see:
- Gaps opening along the back of the worktop
- A second bead peeling off the first
- Floor or wall movement joints that have failed
- Black mould underneath the bead
Schools such as Cheam School are buildings too, and washroom and kitchen sealant there needs the same care as at home, and schools and businesses are part of our work as well as homes.
Comparing quotes
- What insurance they hold
- How much experience the applicator has
- What product goes in the joint
- What the cure time is
Questions from Plastow Green
Is Plastow Green within the area you cover?
Yes, we do. We work across London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Can you help a landlord with a rental near Thatcham station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. Just ring 0345 464 0079 or send us an email with the address and what needs doing, and we will give you a clear price.
Can you remove sealant that’s been put over old sealant?
Yes. Both layers come out; over-sealing fails because silicone won’t bond to silicone.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. We work across South East England, London and Scotland.
What information do you need?
Just the basics: where it is, what you’ve noticed and how we reach it. Then ring 0345 464 0079 or email us.
Is it messy?
Not at all. We work neatly, protect the area around the joints and tidy up afterwards.
Do you take out the old sealant first?
Yes, always, and completely. New sealant will not bond properly to old, so the joint is cleaned back first.
Can I do it myself?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Keeping the joints in good condition
Looking after new joints is easy, and it makes a real difference:
- Check trays and worktops don’t move
- Get the cause of a repeat leak found before resealing
- Use a soft cloth, not a scourer, on silicone
- Keep movement joints clear of mortar and paint
Keep an eye on the joint at first, especially if movement was the problem. Should anything change, call 0345 464 0079 or send us an email.
Leaks through failed sealant grow over time. Every shower or downpour sends more water through, into whatever is behind or below. Early action keeps it to a sealant job.
