Oxfordshire · England
Remedial sealant & repairs in Netherton, Oxfordshire
We cover Netherton for removing failed, mouldy or leaking sealant and putting it right. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.
- Products that weren’t meant for the joint
- Gaps opening along the back of the worktop
- Wide, uneven beads that look worse than the old ones
When something else is needed
New sealant can’t fix everything, and we will tell you before work begins. It will not solve:
- A tray or bath that is cracked
- Plumbing leaks behind walls or under trays
- Old mastic in a building from before 2000 that should be checked for asbestos before it’s disturbed
If you are not sure, just call 0345 464 0079 or email us and we will give you a straight answer before you book.
Where we work in Netherton
- Botched or over-sealed joints
- Leaking tray & enclosure joints
- Expansion joints
- Mouldy bath & shower sealant
- Shrunken worktop sealant
- Failed movement joints
Remedial sealant in Netherton
Two decades of sealant work means we recognise most failures quickly. We are ARBOMaster approved and fully insured, and every remedial job comes with a 12-month guarantee. We work on shrunken worktop sealant, leaking tray & enclosure joints and expansion joints, and common reasons people get in touch are products that weren’t meant for the joint and beads that never stuck properly.
Homes around Netherton are mostly houses and cottages rather than flats, some with bathrooms tucked into older rooms or extensions. The work is the same as anywhere: old material cut out, joints cleaned and a fresh finish laid.
Our work is backed for twelve months, and the guarantee is the same wherever you are.
- Place
- Netherton (OX13)
- Wider area
- Oxfordshire
- Cover
- A year, on every job
- Quotes
- A clear price before we start
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Netherton: your questions answered
Will you come out to Netherton?
Yes, we do. We work across London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Is remedial sealant in Netherton guaranteed?
All our work, in Netherton and everywhere else, comes with a 12-month guarantee. We’re also fully insured and ARBOMaster approved.
Will you leave a mess?
Not at all. The area is protected while we work and cleaned up afterwards.
Can old silicone be taken off without scratching the tiles?
Yes. Residue is removed with a product suited to the surface rather than scraped hard.
Can failed expansion joints be resealed?
Yes. If a joint has been filled with mortar or rigid filler, we rake it out where possible, then the joint is sealed properly.
Are you insured?
Yes, we’re fully insured for every job we do.
Are you an approved applicator?
Yes. We are an ARBOMaster approved applicator, the approved applicator scheme for Arbo sealants.
Where is Mr Mastic based?
Our base is in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
Different surfaces, different methods
Over-sealed & botched joints
Botched joints sometimes have damaged edges from earlier scraping. We work carefully to avoid adding to it, and point out any existing damage.
Windows & doors
Smeared or badly matched mastic can be cut out and redone neatly, matched to the frame colour.
Why it’s worth doing now in Netherton
DIY removal often leaves scratches and a film of residue, and the residue left behind stops the next bead bonding. Careful removal is most of a remedial job. Where a wall is exposed, as many are in small places like Netherton, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
Some things make a job bigger or smaller: the old material and how easily it comes out, any mould to treat, and whether we need extra access for height. Your quote takes all of that into account.
Why choose Mr Mastic in Netherton
- Sealant colour chosen to suit
- White, clear, grey or coloured to suit, where the product allows
- Neat joints and a tidy finish
- More than 20 years in sealant work
What affects the cost of remedial sealant
There’s no set price list. What we look at:
- Any mould that needs treating
- The amount of work
- How many areas need sealing
- The old material and how stubborn it is
There are no prices on our website, because each job is priced on what it involves. For a quick quote, please call 0345 464 0079 or send us an email and we’ll talk you through it.
Asking for a quote
The more you tell us, the more accurate the quote. When you ask for a quote, tell us:
- Photos by email, if that’s easy
- Whether it has been sealed before
- How many joints, rooms or windows are involved
- Any access issues, like height or stairs
Call for a quick quote, or send an email if you’d rather. Describe what needs sealing and we will talk you through the work before giving you a price.
Also near Netherton
What else we do in Netherton
Remedial sealant around Netherton
Hard water is the norm across most of the South East, so limescale builds up on sealant, grout and fittings.
For site and facilities teams at buildings such as John Blandy Primary School, its toilets, changing areas and kitchens need their sealant renewed like any other building’s. In the older streets around Church of St Nicholas, timber floors under older bathrooms flex, so joints need a sealant that moves with them.
Netherton is about 5 miles west of Abingdon-on-Thames, in Oxfordshire. For remedial sealant in and around Netherton, please phone 0345 464 0079 or send us an email for a quick quote. We are based in Crawley and cover Oxfordshire. Netherton is one of 443 places in Oxfordshire where we work for remedial sealant. We also work in Oxford, about 8 miles from Netherton.
Our applicators cover all of OX13 for remedial sealant and the streets around it. We also cover Fyfield (1 mile south-east), Tubney (1 mile east), Frilford Heath (2 miles east), Frilford (2 miles south-east) and Cothill (3 miles east). Within a short drive, we also cover Oxford (8 miles north-east), Didcot (8 miles south-east), Abingdon-on-Thames (5 miles east), Witney (8 miles north-west), Carterton (10 miles north-west) and Wantage (7 miles south).
Near you in Netherton
Locally, jobs take us to homes and businesses close to The White Hart Inn and the streets around them. A little further out are Hinton Waldrist Castle (2.7 miles west) and Abingdon Community Hospital (4.2 miles east). Green spaces nearby include Hitchcopse Pit and Cumnor Hill.
What we do, step by step
At the end, we look at the finished work together. The visit itself normally takes a few hours, depending on how many layers have to come out, depending on the amount of work. In a small place like Netherton, access is generally the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- First we find out how and where the joint has failed.
- All the old sealant comes out, including any layers underneath.
- The joint is cleaned, treated for mould and left to dry.
- Moving joints get backing and a flexible sealant to suit.
- Finally we finish the joint and talk you through what we found.
Getting ready for the visit
- Keep pets and children clear of the area while we work
- Mention any parking rules near the property
- Mention any tricky access
Getting a quote
There’s no standard price list, because every job is different. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or drop us an email.
Related advice
Should I try it myself first?
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly, so tell us about it when you ask for a quote.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
Landlords, agents and businesses in Netherton
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
Mouldy or split sealant often shows up at the end of a tenancy, and it’s quick to put right between tenancies. Several properties can be quoted together.