Caerphilly · Wales
Bath & shower resealing (mastic) in Gilfach, Caerphilly
Bath resealing for Gilfach, without a refit. Send us pictures for a fixed quote, then we come to you.
- Gaps by the taps
- Water getting behind the bath or tray
- Black spots in the silicone
When we would advise against a repair
A repair is not always the answer, and we would rather say so up front. We can’t fix:
- Rotten walls or floors behind the bath
- A bath or tray that moves, until its support is fixed
- Hollow or loose tiles
If in doubt, send photos and we will say what we think before booking.
What we work on
- Baths
- Basins & vanity units
- Kitchen worktops & sinks
- Shower trays & enclosures
- Wet rooms
Bath resealing in Gilfach, done in place
A fresh seal protects your bathroom. Failed sealant lets water get where it shouldn’t, and a new seal stops it. We are often asked to fix unsealed corners and silicone coming away from the tiles, in basins & vanity units, baths and shower trays & enclosures.
All our work comes with a one-year guarantee.
- Location
- Gilfach (CF81, NP12, CF82)
- Area hub
- Caerphilly
- Warranty
- A year, on every repair
- Quote
- Fixed and free, based on photos
- Call
- 0345 017 0787
- Updated
- 23 October 2026
Can I fix it myself?
You can buy a DIY kit for most repairs, and they can make a small mark look better. The trouble is colour and preparation: kits come in a few standard shades, and without proper cleaning and keying the filler frequently lifts.
If you’ve already tried a DIY fix, that is fine. We take the old repair out and do it properly, so it won’t stop us repairing it. It does add a little time, so tell us about it when you send photos.
Aftercare tips
Nothing complicated is needed, just a few sensible habits:
- Reseal at the first sign of lifting
- Clean the sealant gently and regularly
- Air the room after use
- Use the extractor fan
Run the extractor fan, wipe the joints dry after use, and give them a regular clean with a mild cleaner to slow mould growth.
Mouldy sealant is more than a cosmetic problem, it’s a sign moisture is sitting in the joint. Resealing early keeps water out of the walls and floor.
Work for landlords and builders
Hotels, guest houses and holiday lets can’t afford rooms out of action for long, so we keep visits short and tidy. We can work around your bookings.
Builders use us to fix snagging damage before handover. We can visit several plots in one trip to keep costs down.
What affects the price in Gilfach
You’ll know the full cost before booking. We take into account:
- What kind of damage it is
- Access to the area
- What the surface is made of
- Whether old repairs or coatings need taking off
A repair is priced on what needs doing, not where you live. The full price is agreed before you book, with no extras added later.
Getting a price from photos
Good pictures mean an accurate price. Here’s what we find most useful:
- Details of any past repairs
- A wider photo showing the whole bath or shower
- Good light, ideally daylight, without flash glare
- A coin or ruler next to the damage for scale
No survey visit is needed: we price from pictures. Use the quote form, or ring 0345 017 0787 to talk it through, and we will come back with a fixed figure.
What else we do in Gilfach
Common problems we fix in Gilfach
Most reseals are because of black mould. It grows into the sealant itself, so cleaning only removes the surface.
Get in touch if you’ve noticed any of these:
- Sealant that is split or lifting
- Black spots in the silicone
- Old sealant that looks dirty
- An untidy old seal
What your quote should include
- What happens if the damage is worse than the photos show
- How the room is protected while they work
- How to care for the finish
- How soon you can use it again
Gilfach: your questions answered
Are there extra charges for Gilfach?
We don’t add a call-out fee. The fixed price covers the visit and the work.
Will you leave a mess?
Dust sheets and masking go down before we start, and we clean up when we’ve finished.
How soon can you come?
It depends on the time of year and where you are. Send pictures with your postcode and we’ll reply with the earliest dates.
Why does mould come back so fast?
Usually poor ventilation and moisture sitting on the joint. Mould-resistant silicone and good ventilation help.
Is it OK to have pets in the house?
On the day, the room should be kept clear of pets and children.
Are you accredited?
Yes. Our accreditations include CHAS, Constructionline and SafeContractor. The full list is on our accreditations page.
Can new silicone go over old?
All the old sealant comes out. New silicone will not bond to old.
Do you work in Gilfach?
Yes. We cover the entire UK and travel to Gilfach. Send photos and we will quote, or call 0345 017 0787.
Why it’s worth resealing in Gilfach
Putting new silicone over old doesn’t last. It soon peels, and mould stays trapped behind it. We remove the old sealant completely. There are no surprise extras on the day. What we quote from your pictures is what you pay, unless the damage turns out to be different, in which case we talk to you first.
Why Gilfach customers choose us
- Typically one visit, start to finish
- CHAS, Constructionline and SafeContractor accredited
- Free fixed quotes from pictures
- Dust sheets down, tidy finish
See our pricing.
Gilfach and nearby
Gilfach is about 1 mile north-west of Cefn Fforest, in Caerphilly. Customers in Gilfach get the same service as everywhere else we cover: a fixed quote from pictures, then a visit to do the work. Gilfach is one of 94 places in Caerphilly we cover. You can also see our page for Birmingham, about 79 miles away.
We work across CF81, NP12 and CF82. Whether you live on The Avenue, Gwerthonor Road and Gwerthonor Lane or anywhere nearby, we can come to you. We also cover the places around Gilfach: Bargoed (1 mile north), Glan-y-nant (1 mile south), Pen-pedair-heol (1 mile south-west), Pengam (1 mile south-east) and Aberbargoed (1 mile north-east). Larger places within reach include Caerphilly (7 miles south), Risca (8 miles south-east), Trecceln (4 miles east), Newbridge (4 miles east), Beddau (7 miles south) and Trecenydd (7 miles south).
Local landmarks in Gilfach
Around Gilfach, we work in homes near Lewis School Pengam, Ysgol Gymraeg Gilfach Fargod and Gilfach Fargoed Primary School. Nearby too are Capel Hotel (less than half a mile north-east) and St Margaret's (under half a mile north-east). Gilfach has its own railway station: Gilfach Fargoed station. Other landmarks nearby include Llancaiach Fawr Living History Museum (2.5 miles south-west) and Twyn Castell (1.2 miles south-west). The countryside around Gilfach includes Parc Coetir Bargoed.
The process
On the day itself, there is little for you to do. Let us in and show us the room, and we will get on with it. Most visits take about two hours for a bath, including clearing up.
- We protect the area and mask the joint lines.
- Old sealant and residue are removed.
- The joint is cleaned, treated and dried.
- Fresh silicone is applied in a continuous bead.
- The bead is smoothed, the tape removed and the seal left to cure.
Before we arrive
- Clear the area around the damage
- Have a window or extractor fan available
- Tell us if there are stairs or a lift
How to get a price
A quote takes minutes to ask for: photograph the damage, then the whole bath or shower, include your postcode and send them over. You’ll get a fixed quote, not an estimate.
Related advice
About our accreditations · Every repair comes with a one-year guarantee.
