Oxfordshire · England
New Build Mastic in Fawler
New build mastic for Fawler, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- New-build shower sealant that has already split
- Cracked sealant around new window and door frames
- Sealant work across a run of new homes
What the job involves on each surface
Show homes
We seal show-home bathrooms, kitchens and frames to a tidy standard. We will plan around viewing times.
Kitchens
Beside the sink, the joint takes water every day. A kitchen sealant goes in there.
How we handle new build mastic in Fawler
Failed shower seals, gaps along the skirting and messy beads are common items on a new-home snagging list. While the builder’s snagging or warranty period runs, report it to them first, and if it is not put right, get in touch with us. If you’re dealing with gaps behind new kitchen upstands and second-fix sealing on new plots, we can help, whatever the surface.
In a village or hamlet like Fawler, new homes are more likely to be a barn conversion or a handful of houses than a big estate. Every one needs its sealant and floor joints done properly, whatever the size of the site.
The work is covered for a year after we finish. If there’s a problem with it, please ring 0345 464 0079 or send us an email.

- Where
- Fawler (OX7)
- Region
- Oxfordshire
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
When it is not the sealant
To be straight with you, some problems need a different trade:
- Structural cracks in walls or ceilings
- Disputes or warranty claims with your builder
- Broken tiles or a split tray
Not sure which it is? You can ring 0345 464 0079 or email us and we’ll tell you honestly.
Joints and surfaces we work on
- Kitchens
- Windows & doors
- Skirting & floors
- Plot handovers
- Show homes
- Bathrooms & en suites
Work for landlords, hotels and businesses
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 go on one quote.
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.
New homes and floors in Fawler
Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
For new homes near Finstock station, it’s worth checking the sealant early, while snags are still fresh. Around Fawler, as everywhere, new build mastic is only as good as the preparation behind it.
Fawler is about 5 miles north of Witney, in Oxfordshire. Every kind of property in Fawler can book us for new build mastic. Every job comes with our one-year guarantee. Our area takes in 443 places across Oxfordshire, large and small. We also work in Oxford, around 12 miles away.
Postcode districts we cover here for new build mastic: OX7. If you are just outside Fawler, we cover Finstock (1 mile south-west), Stonesfield (1 mile east), Ramsden (2 miles south-west), Charlbury (2 miles north-west) and East End (2 miles south-east). We also work in nearby towns such as Oxford (12 miles south-east), Banbury (15 miles north), Bicester (14 miles east), Abingdon-on-Thames (14 miles south-east), Witney (5 miles south) and Carterton (8 miles south-west).
Near you in Fawler
We work in homes and buildings around The Crown pub and the streets around them. There’s a railway station in Fawler itself: Finstock station. The countryside around Fawler includes Blenheim Farm.
How we quote for new build mastic
Jobs vary more than people expect. The main factors:
- How easy the joints are to reach
- When we can work, for business premises
- Whether old sealant or filler has to be cut out
- The number and length of the joints
The cost reflects the work involved, not guesswork. That’s why we ask about the job first and send you a clear quote before work begins.
Helping us quote
Photos by email are helpful but not essential. Try to tell us:
- If someone has resealed it before
- How many joints, rooms or windows are involved
- Where the job is, and your postcode
- What’s wrong with the joints now
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that is easy.
Can I do it myself?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
The process
At the end, we look at the finished work together. The work normally takes a few hours for most snagging lists, longer for a run of plots, depending on the size of the job. Somewhere like Fawler needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- We go through the snagging list or plot schedule and agree the joints to do.
- We cut out every bit of the failed or messy sealant.
- Surfaces are cleaned of building dust and primed where needed.
- A sealant chosen for each area goes in and is tooled smooth.
- We check every joint and tell you how long each needs to cure.
Before we arrive
- Clear items away from the joints we’re working on
- Where the joints are inside, avoid wetting them before we arrive
- On commercial sites, let us know about site rules
Ask for a quote
For a quick quote, get us on the phone, or email us if that is easier. Tell us about the joints that need doing and we’ll talk you through the work and send you a clear quote.
Advice
Common questions in Fawler
Will you come out to Fawler?
Yes, we do. We work across London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Can you do new build mastic in Fawler?
Yes, Fawler is within the area we cover. Our work covers London and the South East. You can phone 0345 464 0079 or drop us an email and tell us what needs doing, and we’ll send you a clear quote.
Are you ARBOMaster approved?
Yes. We’re approved under the ARBOMaster scheme, which is run for the Arbo sealant brand.
Can you do plot mastic on a new development?
Yes. We seal plots to the developer’s programme, room by room. Tell us the plots and the joints involved for a clear quote.
Is it messy?
Tidy work is part of the job. We protect what’s around the joints, and we clear up when we are done.
What sealant do you use?
It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.
Why has my new-build shower seal failed already?
A new house dries and settles for a year or two, and sealant is often applied quickly onto dusty surfaces. Either can make it fail early.
Should I go to my builder first?
Your builder, if you are still in their snagging or warranty period. After that, or if their repair keeps failing, we can do it and our work is guaranteed for a year.
Keeping the joints in good condition
Looking after new joints is easy, and it makes a real difference:
- Use the extractor fan every time you shower
- Keep pictures and emails about snagging items
- Follow the cure time we give you
- Avoid scourers and strong chemicals on sealant
Do not stand on the bath edge or the lip of the tray while the sealant cures. If a bath or tray moves when you stand in it, get it looked at.
The sooner you deal with untidy or cracking sealant, the less there is to put right. Left alone, a small crack can become a leak.
