Hertfordshire · England

Bathroom & kitchen resealing in Radlett, Hertfordshire

Professional bathroom resealing in and around Radlett, with every bit of old sealant taken out first and a one-year guarantee.

  • Mouldy sealant that has gone black
  • Two layers of silicone, both failing
  • Lumpy, uneven sealant from a DIY attempt

Bathroom resealing for Radlett homes and businesses

How we handle bathroom resealing in Radlett

Homes in Radlett have the same weak spots as anywhere else: the long edge of the bath, the base of the shower tray, the back of the basin and the line along the worktop. Every joint is cut out, cleaned and left dry before it’s resealed. We work on baths, sinks & splashbacks and basins & vanity units, and the jobs we see most are cracked, shrunken or lifting silicone and new sealant laid over old sealant that is now lifting.

Around Radlett, you will mostly find houses and bungalows, some older and some much newer. Bathrooms and kitchens here get the same daily wear as anywhere, and the sealant and grout show it first.

You get a 12-month guarantee, the same in Radlett as everywhere else we work.

Location
Radlett (WD7)
Region
Hertfordshire
Guarantee
A year, on every job
Price
A clear quote up front
Call
0345 464 0079
Updated
26 October 2026
Mr Mastic applicator kneeling beside a white bath, sealing the joint where the bath meets beige wall tiles

Do you need bathroom resealing in Radlett?

Not every tube in the shop is meant for a shower. Acrylic caulk and general-purpose sealants aren’t designed for a joint that is wet every day, so they crack, discolour or grow mould quickly. A bathroom joint needs anti-fungal sanitary silicone.

People normally contact us after spotting something like this:

  • A messy, uneven bead from a previous reseal
  • New sealant laid over old sealant that is now lifting
  • Water getting behind the kitchen upstand
  • Sealant that has split, shrunk or peeled away

If you live in an older home near St John, walls and floors in older homes can move, and sealant and grout show it first.

What to look for in a quote

  • What happens if they find a problem under the old sealant
  • The length of the guarantee
  • How much experience the applicator has
  • Whether you can choose the colour

Choosing a sealant specialist

Bathroom resealing in Radlett: local notes

Most of the South East has hard water, so limescale builds up on sealant, grout and fittings, and it has to be cleaned off before new sealant goes in.

Rented homes near Radlett station change hands often, and mouldy sealant is one of the first things a new tenant notices, so it’s worth renewing between lets. Schools such as St John's Church of England Infant and Nursery 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.

Radlett is about 3 miles north-west of Borehamwood, in Hertfordshire. Radlett gets the same service as everywhere we cover: the old material taken out, joints prepared properly and a 12-month guarantee. Our area takes in 381 places across Hertfordshire. London is on our list too, about 16 miles from Radlett.

All of WD7 is covered for bathroom resealing. If you need bathroom resealing at a property on Upper Station Road, Station Road and Barn Close or anywhere close by, we can help. Being close to the B462 and A5183, Radlett is simple for us to get to. Close by, we work in Kemprow (1 mile west), Round Bush (1 mile south-west), Letchmore Heath (1 mile south-west), Aldenham (2 miles south-west) and Patchetts Green (2 miles south-west). Within a short drive, we also cover Watford (4 miles south-west), Hemel Hempstead (8 miles north-west), St Albans (5 miles north), Welwyn Garden City (10 miles north-east), Harpenden (9 miles north) and Hoddesdon (14 miles east).

What’s near Radlett

In Radlett, that means homes and buildings near The Cat And Fiddle Public House. Radlett has its own railway station: Radlett station. Other landmarks nearby include Radlett and District Museum (under half a mile south-east) and Harlequin Centre (3.7 miles south-west). For a walk, there’s Verulamium Lake and Broad Colney Lakes.

Map of Radlett © OpenStreetMap contributors

When it isn’t the sealant

New sealant can’t fix everything, and we will tell you before we start. It will not solve:

  • Cracks in the tray itself rather than the joint
  • A tray that rocks until it’s re-bedded
  • Water getting in through the grout rather than the sealant

If you’re not sure, just call 0345 464 0079 or send us an email and we’ll give you a straight answer before you book.

Where we work in Radlett

  • Wet rooms
  • Sinks & splashbacks
  • Shower trays & enclosures
  • Basins & vanity units
  • Kitchen worktops & upstands
  • Baths

Questions from Radlett

Can you help a landlord with a rental near Radlett station?

Yes. We work for landlords and letting agents as well as householders, and several properties can go on one quote. You can call 0345 464 0079 or drop us an email with the details for a clear quote.

Is Radlett in your area for bathroom resealing?

Yes, Radlett is within the area we cover. We work across London and the South East. You can call 0345 464 0079 or send us an email and tell us what needs doing.

Are you an approved applicator?

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

Can you reseal around my kitchen sink and worktop?

Yes. The old sealant is cut out and the joint degreased, because cooking grease stops silicone sticking, then a colour-matched bead is laid.

What sealant do you use?

Each joint gets the product that suits it. Where it moves, gets wet or faces the weather makes a difference.

How long does the new silicone need before I use the shower?

The surface skins over fairly quickly, but the bead needs longer to cure right through. Keep water off it for around 24 hours, or as long as we advise for that product.

Can new silicone go straight over the old?

No, never. A bead laid over old silicone soon starts to come away, because silicone doesn’t bond to silicone. Every trace of the old bead is removed first.

Will there be a smell?

Some sealants have a smell while they cure, which fades as it sets. Ventilation helps.

What the job involves on each surface

Baths

Baths move more than any other fitting, so it’s filled with water before the bead goes on. The joint is then laid with the bath at its lowest point.

Sinks & splashbacks

Water getting under the rim of an inset sink can soak the worktop. Where the sealant around the visible edge has failed, we renew it.

Why deal with it now?

Tired sealant is not a reason to replace a bath or shower. Replacing the joint is normally all it takes. If something else is wrong, we’ll tell you. In a smaller place like Radlett, wherever a wall is exposed, a failed outside joint is a real source of damp. Inside, a split seal lets water into floors and panels just as it would anywhere.

Leaving a failed joint usually makes the job bigger, not smaller, as water and mould keep getting in. If you’re not sure whether it needs doing, ring 0345 464 0079 or send us an email for an honest opinion and a quote.

Why us?

  • Approved under the ARBOMaster scheme
  • Arbo and Everbuild products
  • A sealant colour to suit the surroundings
  • Experience in homes, commercial sites and hotels

Take a look at how sealant jobs are priced or customer reviews.

What affects the cost of bathroom resealing

You’ll get a clear quote before any work starts. It’s based on:

  • How much old sealant there is and how hard it is to remove
  • The number of rooms or windows
  • The size of the job
  • Working hours on commercial sites

Homes and businesses are quoted the same way: the amount of work, how we reach it and what it needs, plus any working-time requirements on site. Call for a quick quote and we will go through it with you.

What we need to know

You don’t need to know the technical terms. Just tell us:

  • If it’s domestic, commercial or a hotel
  • Any access issues, like height or stairs
  • Roughly how big the job is
  • Where the job is, and your postcode

Quotes start with a quick conversation. Describe the problem, the location and the size of the job. Whenever you are ready, phone 0345 464 0079 or email us.

Should I try it myself first?

Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.

What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.

The process

All our tools and materials come with us in the van, so you don’t need to buy or prepare anything. Once we have agreed what’s being done, we protect the area and start. It normally takes a couple of hours for a single bath or shower. In a smaller place like Radlett, parking is seldom the issue; lanes, gates and long drives are worth mentioning. If the job is outside, tell us about side access and how high the joints are.

  1. Protection goes down around the bath, shower or worktop.
  2. Old sealant is sliced away and the residue removed.
  3. We treat any mould and let the joint dry properly.
  4. Baths are filled first, then anti-fungal sanitary silicone is applied in a colour to suit.
  5. The joint is finished neatly and we explain when it can get wet.

Preparing for the visit

  • Try not to wet indoor joints just before the visit
  • For business premises, tell us about site rules or sign-in
  • Mention any leaks or damp you’ve noticed

How to get a quote

For a quick quote, get us on the phone, or send an email if you’d rather. Describe what needs sealing and we’ll explain what’s involved.

Get a price

Advice

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