Greater London · England

Remedial sealant & repairs in Hayes, Greater London

We cover Hayes for removing failed, mouldy or leaking sealant and putting it right. Old material cut out, joints cleaned and sealed neatly.

  • Movement joints that have split or pulled away
  • Mould trapped under a layer of silicone
  • Sealant that came away because the surface wasn’t prepared

Book remedial sealant in Hayes

Remedial sealant for homes and businesses in Hayes

Decorators’ caulk in a shower, bathroom silicone on a window, a rigid filler in a movement joint fails however neatly it’s applied. We take it out and use a sealant made for that joint. If you’re dealing with a shower that leaks however often it’s resealed and movement joints that have split or pulled away, we can help.

Hard London water leaves limescale on sealant, grout and taps alike. For a bathroom or kitchen in Hayes, getting the joints right keeps water where it belongs and the room looking clean.

Big or small, you get the same one-year guarantee in Hayes and across Greater London.

Location
Hayes (UB3, UB4, UB8, UB10)
Wider area
Greater London
Cover
12 months on all our work
Quote
A clear quote up front
Phone
0345 464 0079
Updated
26 October 2026
Close-up of hands using a sealant gun on the joint between a glass shower screen and tiles

Why it’s worth doing now in Hayes

DIY removal often leaves scratches and a film of residue, and any film left behind stops new sealant sticking. Careful removal is most of a remedial job. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and once it shows in Hayes, the repair is bigger than a sealant job.

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 Hayes customers choose us

  • Anti-fungal silicone where joints get wet
  • You choose the colour before work begins
  • An ARBOMaster approved applicator
  • Domestic, commercial and hotel work

Take a look at our cost guide or what customers say.

DIY versus a professional finish

Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.

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 doesn’t work out, we can still put it right.

What sealant work can’t fix

To be straight with you, some problems need a different trade:

  • Sealant in an older building that needs testing for asbestos first
  • A bath, tray or worktop that moves until it’s properly fixed
  • A leaking trap, valve or supply pipe

If you are not sure, just phone 0345 464 0079 or drop us an email and we’ll give you a straight answer.

Where we work in Hayes

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

Bathrooms and kitchens in Hayes

London has hard water, which leaves limescale on sealant, grout and taps. There are hotels and other places to stay in and around Hayes. Hotel bathrooms are part of our work as well as homes, and can be done room by room.

For landlords with property near Hayes & Harlington station, botched sealant from a previous quick fix is easier to strip out between tenants. As a London address, Hayes can be tricky for parking: let us know about parking bays, permits or a driveway. Homes close to Church of St Mary include some older properties, and walls and floors in older homes can move, and sealant and grout show it first.

Hayes is about 8 miles east of Slough, in Greater London. Whether you are in the middle of Hayes or further out, we cover remedial sealant for every kind of property. Our Greater London coverage runs to 764 places, Hayes among them. You can also see our page for London, roughly 14 miles from Hayes.

Jobs for remedial sealant in UB3, UB4, UB8 and UB10 is quoted and booked the same way as anywhere else. If you need remedial sealant at a property on Church Road, Drenon Square and Townfield Square or anywhere close by, we can help. Main roads around Hayes include the A312, so getting to you is simple. Other places close to Hayes include Hillingdon (2 miles north-west), Yiewsley (2 miles west), West Drayton (2 miles west), Cowley (3 miles west) and Uxbridge (3 miles north-west). We also work in nearby towns such as London (14 miles east), City of Westminster (12 miles east), Marylebone (12 miles east), Kensington (9 miles east), St Pancras (13 miles east) and Shoreditch (15 miles east).

Around Hayes

In Hayes, that means homes and buildings near Dr Triplett's CofE Primary School, Rosedale College and Barra Hall Park and the streets around them. The nearest railway station is Hayes & Harlington station, roughly 0.9 miles south. Well-known places in the area include Hillingdon Museum and Archives Services (3.2 miles north-west) and Hayes Cottage Hospital (under half a mile north). Not far away are Middle Lake and Yeading Brook Meadows.

Map of Hayes © OpenStreetMap contributors

What we do, step by step

At the end, we look at the finished work together and explain the cure time. The work normally takes a few hours for most joints, depending on how much old sealant has to come out, depending on the amount of work. Parking in much of London is by permit or pay-and-display, so it helps to know what’s near you in Hayes. It helps if you can point us to a visitor permit or a bay close to the door.

  1. First we work out whether the problem is the sealant, movement or a leak.
  2. Each layer is cut out and the residue cleaned off.
  3. Mould is treated and the joint dried.
  4. The right product goes in, with backing where the joint moves.
  5. We finish neatly and point out anything that needs another trade.

How to prepare

  • Clear items away from the joints we are working on
  • Keep children and pets away from the work area
  • Mention any sign-in or site rules at work premises

Ask for a quote

For remedial sealant in Hayes, phone 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.

Ask for a quote

Advice

What affects the cost of remedial sealant

Your quote is based on your job. We look at:

  • Mould in or behind the old joints
  • Any working-time requirements on site
  • How many rooms, windows or areas are involved
  • Which sealant suits the joint

Homes and businesses are quoted the same way: how much there is to do, how we reach it and what it needs, plus any working-time requirements on site. Ask us for a quote and we’ll explain what it covers.

What to tell us for a quote

When you contact us, it’s useful to know:

  • If it’s domestic, commercial or a hotel
  • Photos by email, if that is easy
  • The problem you’ve noticed
  • Where the property is

We quote each job on its own. Simply phone 0345 464 0079 or send us an email and describe the job.

Looking after it afterwards

Looking after new joints is easy, and it makes a real difference:

  • Check trays and worktops do not move
  • Check ceilings under showers for marks
  • Air the bathroom so the sealant can dry
  • Always have old sealant cut out, not covered

Don’t let anyone seal over it later. Over-sealing is how many remedial jobs start.

A split movement joint lets rain into walls and floors, and the longer it’s left, the more the joint edges break down. Resealing while the edges are sound is simpler.

Hayes questions

Do you work for hotels and guest houses in Hayes?

Yes, we work for hotels as well as homes and businesses. Rooms can be done a few at a time, so the building stays open.

Can you help a landlord with a rental near Hayes & Harlington station?

Yes. We work for landlords and agents as well as homeowners, and several properties can be quoted together. Just ring 0345 464 0079 or send us an email with the address and what needs doing, and we’ll give you a clear price.

Where do you work from?

Mr Mastic is based in Crawley. We cover Hayes and the rest of Greater London, along with the rest of our area.

Will it make a mess?

Very little: the area around the joints is protected first, and we tidy up before we go.

Are you ARBOMaster approved?

Yes. We are ARBOMaster approved, the scheme for applicators of Arbo sealants.

How much does remedial sealant cost in Hayes?

Every job is different, so each one gets its own quote. For a quick quote, ring 0345 464 0079 or drop us an email with a short description of the job.

Do you come to Hayes?

We do. Our applicators work in Hayes, and the service is the same as everywhere else.

How long does remedial resealing take?

The number of joints and layers decides it. You will have a timescale before any work begins.

Landlords, agents and businesses in Hayes

Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.

Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.

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