Cardiff · Wales
Bath & shower resealing (mastic) in Riverside, Cardiff
Our repair technicians come to Riverside for bath, shower and sink resealing with new mould-resistant silicone. Everything is done in place, and the work is guaranteed.
- Stained silicone
- An untidy old seal
- Gaps by the taps
How we handle bath resealing in Riverside
Resealing is one of the simplest ways to protect your bathroom. Old, split or mouldy sealant lets water get behind the bath or tray, and a new seal stops it. Typical jobs include gaps by the taps and black mould in the sealant, in shower trays & enclosures, wet rooms and baths.
You are covered for a year from the day of the repair. Just call us if there is a problem and we will sort it.
- Where
- Riverside (CF11, CF10, CF5)
- County
- Cardiff
- Cover
- One year on every repair
- Quotes
- Fixed and free, based on pictures
- Telephone
- 0345 017 0787
- Updated
- 23 October 2026
Keeping it looking good
Much of the damage we repair could have been avoided. A few tips:
- Air the room after use
- Give the seal a regular clean
- Run the extractor fan during and after showers
- Dry the seal after bathing
Use the extractor fan, wipe the joints dry after use, and give them a regular clean with a mild cleaner to slow mould growth.
Reseal before water gets in. Gaps or lifting edges mean it needs doing.
Landlords, agents and businesses in Riverside
Housing associations and facilities teams use us for planned and reactive repairs in Cardiff and across the UK. Repairing in place avoids the disruption of a replacement, which is easier on the people living there.
We regularly work with letting and managing agents. Just send pictures, the address and how to get access and we will handle the rest.
DIY kit or professional repair?
For a hairline mark somewhere you’ll never see, a kit may be enough. For anything you look at every day, anything that has rusted, cracked or holed, or anything on a coloured surface, a professional repair is worth it.
If you do try a kit, read the instructions carefully, ensure the area is clean and completely dry, and give it the full curing time. If it doesn’t work out, we can still repair it properly.
Why reseal now?
Sealing over old silicone is a false economy. It soon peels, and mould stays trapped behind it. We remove the old sealant completely. No two jobs are quite the same, so we price each one individually. The size and type of damage, the material and access all make a difference, and doing several things on one visit costs less than separate visits.
Why choose Surface Doctor in Riverside
- Most jobs done in one visit
- Accredited with CHAS, Constructionline and SafeContractor
- Same prices wherever you are
- Everything repaired in place
Take a look at our full price list.
What happens on the day
We agree an arrival time beforehand, so you’re not left guessing. On site, it takes a couple of hours in most cases. We leave the room clean and you will know when it can be used.
- We cut out all of the old sealant.
- Residue is removed and the joint cleaned.
- Any mould is treated and the joint dried.
- We fill the bath, or weight the tray, to open the joint.
- New mould-resistant silicone is applied and tooled neatly.
Preparing for the visit
- Let the surface dry out before the visit
- Have somewhere for us to park nearby if possible
- Tell us about parking, stairs or access
Get a quote
You do not need a survey visit. Photos are enough for us to price nearly every job: send a close-up, a wider shot and your postcode, and we will reply with a fixed price.
Advice
How we price bath resealing
We don’t charge extra for travel to Riverside. The price depends on:
- Whether it’s a chip, crack, burn or wear
- How easy the damage is to reach
- Whether old repairs or coatings need taking off
- How hard the colour is to match
Set against the cost of replacement, repairing normally costs far less, because there’s no removal, plumbing or making good. Your fixed quote shows exactly what’s included.
How to get a fixed price
We price nearly every job from pictures. This is what we need:
- One picture of the entire bath or shower
- A close-up of the damage, in focus
- Whether it’s been repaired or coated before
- What it’s made of, if you know
We price from photos so you do not have to wait in for a survey. Send them through the quote form, or call 0345 017 0787 if you’d rather talk it through.
FAQs for Riverside
Are you accredited?
Yes. Our accreditations include CHAS, Constructionline and SafeContractor. The full list is on our accreditations page.
Do you seal over the old sealant?
No, we never seal over old silicone. It’s removed, cleaned off and the joint dried first.
How do I get a price for bath resealing in Riverside?
We give a fixed quote from your photos. Send a close-up and a picture of the entire item and your postcode.
Why does my sealant keep splitting?
The bath or tray is probably flexing. Persistent splitting can mean the support needs attention.
Can pets and children be at home?
Just keep them out of the work area. We’ll tell you when the room can be used again.
Do I have to be there?
We need someone to let us in. After that, you can carry on with your day.
When can I use the bath after resealing?
We’ll give you the curing time, generally around a day.
Can tenants book a repair?
Of course. Ask your landlord first, and we can send them the quote if that helps.
When we’d advise against a repair
We’d rather lose a job than do one that won’t last, so these are the limits:
- A flexing bath
- Water damage behind the bath that needs a builder
- Loose tiles, which need refixing first
If in doubt, send photos and we’ll say what we think before booking.
Materials we repair
- Kitchen worktops & sinks
- Shower trays & enclosures
- Baths
- Basins & vanity units
- Wet rooms
What we are called out for in Riverside
Joints split if the bath or tray moves, frequently because it was sealed with the bath empty.
Customers generally contact us about:
- Gaps by the taps
- Discoloured, yellow sealant
- Silicone smeared on tiles
- Leaks at the edges
What your quote should include
- Whether a trained technician does the job
- Is the price fixed, and does it include VAT?
- Whether the colour is mixed to match
- What happens if the damage is worse than the pictures show
Towns and villages near Riverside
What else we do in Riverside
About Riverside
Riverside is about 2 miles south of Cardiff, in Cardiff. Our work suits any type of property, from flats and terraces to detached houses and new builds, plus businesses and rented homes. We work in all 91 towns and villages across Cardiff, from the larger towns to small villages.
Our visits in CF11, CF10 and CF5 are booked in the same way as anywhere else. From Major Road, Tudor Lane and Clare Road or anywhere nearby, a technician can come to you. With the A4161 close by, Riverside is easy for our repair technicians to reach. Other places close to Riverside include Castle (1 mile north-east), Castle Quarter (1 mile east), Grangetown (1 mile south), Newtown (1 mile east) and Atlantic Wharf (1 mile east). Further out, we also cover Ely (3 miles west), St Mellons (5 miles north-east), Llanrumney (4 miles north-east), Morristown (3 miles south), Birchgrove (3 miles north) and Rhiwbina (3 miles north). As one of the bigger places in Cardiff, Riverside is somewhere we visit often.
Landmarks near Riverside
Around Riverside, we work in homes near Centre for Occupational and Health Psychology, Sophia Gardens and Miller's Tavern. Also close by are Kitchener Primary School (0.5 miles west), St Mary of the Angels R C Church (under half a mile north-west) and Howardian High School (1 mile east). For rail, the closest station is Cardiff Central station, roughly 0.5 miles south-east of the centre. Further afield, we also cover the area around Castle Arcade (under half a mile east) and Cardiff Castle (under half a mile north-east). The countryside around Riverside includes Roath Basin and Cock Hill.
About our accreditations · Every repair comes with a one-year guarantee.
