Oxfordshire · England
Towersey New Build Mastic
Plot mastic for developers and snagging failed sealant in new homes for Towersey, backed by a 12-month guarantee. Ask us for a quote.
- Cracked sealant around new window and door frames
- Sealant applied over dusty or wet surfaces
- Joints pulling apart as timber shrinks
How we handle new build mastic in Towersey
Some new-home owners let the house settle before resealing. That makes sense for small gaps that are just cosmetic, but a failed shower or bath seal shouldn’t wait. Common call-outs are for gaps opening as the house dries out and settles and leaking shower tray seals in a new home, across show homes, kitchens and skirting & floors.
Older homes in small places like Towersey often have timber floors that move with the seasons, so skirting and threshold joints need a flexible sealant rather than a rigid filler.
Each job carries a 12-month guarantee, large or small.

- Place
- Towersey (OX9)
- Region
- Oxfordshire
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
The process
Before we leave, we go over the finished joints with you and explain the cure time. The work normally takes a few hours for most snagging lists, longer for a run of plots, depending on the amount of work. In a small place like Towersey, access is usually the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- Every bit of the old builder’s sealant is cut out, with no layer left behind.
- We clean out the dust and grit left from the build.
- We prime where needed and apply a sealant suited to each joint.
- We tool every joint neatly and tell you when each area can be used.
How to prepare
- On commercial sites, let us know about site rules
- Where the joints are inside, avoid wetting them before we arrive
- Plan for the work area to be out of bounds to pets and children
Ask for a quote
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we will talk you through what we’d do. When it suits you, call 0345 464 0079 or send us an email.
Read more
Signs you need new build mastic in Towersey
New homes are full of moisture from plaster, screed and concrete, and it dries out over the first couple of years. Drying timber shrinks and pulls joints apart and the sealant has to cope with the movement.
Look out for these signs:
- Skirting joints opening in the first winter
- Frame joints opening as the plaster dries
- Kitchen sealant that has pulled off the wall
- Sealant work across a run of new homes
For new homes near Haddenham & Thame Parkway station, it’s worth checking the sealant early, while snags are still fresh.
Questions to ask before you book
- Whether they’re fully insured
- Who turns up on the day
- Is VAT in the price?
- Which colour the sealant will be
Common questions in Towersey
Will you come out to Towersey?
Yes, Towersey is covered. We work across London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
I let a flat near Haddenham & Thame Parkway station. Can you help?
Yes. We work for landlords and agents as well as householders. You can ring 0345 464 0079 or send us an email with the details for a clear quote.
Can you match the sealant colour to my new kitchen or bathroom?
The colour is chosen to suit the tiles, worktop or frame. Tell us what you’d like when you get a quote.
My new home is still under warranty. Should I contact you?
Start with your builder while their snagging or warranty period runs. If that doesn’t work out, we’re happy to quote.
Why has my new-build shower seal failed already?
There are usually two causes: the house moving as it dries, and sealant that never bonded properly. Cutting it out and resealing properly fixes both.
Can you quote for more than one area?
Yes. Tell us about everything you’d like done and you’ll get one quote.
What do you put in the joint?
Products from Arbo and Everbuild, among others, picked for each joint. We explain the product when we quote.
Do you take on second-fix sealing for builders?
Yes. We carry out plot mastic and second-fix sealing for builders and developers. Send us the plot schedule and we will quote.
New build mastic in Towersey: local notes
Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Around Towersey, as everywhere, new build mastic is only as good as the preparation behind it.
Towersey is about 1 mile east of Thame, in Oxfordshire. We provide new build mastic to homeowners, landlords and businesses in Towersey and nearby. Our Oxfordshire coverage runs to 443 places, and Towersey is one of them. Our Oxford page covers work nearby, about 13 miles away.
Postcode districts we cover here for new build mastic: OX9. Whether your property is on Lower Green, Thame Road and Windmill Close or anywhere close by, our applicators can take on the job. Neighbouring places we cover for new build mastic include Kingsey (1 mile north-east), Thame (1 mile west), Emmington (2 miles south), Haddenham (2 miles north) and Sydenham (2 miles south). Within a short drive, we also cover Oxford (13 miles west), Bicester (14 miles north-west), Abingdon-on-Thames (15 miles west), Henley-on-Thames (15 miles south), Benson (11 miles south-west) and Chinnor (3 miles south).
Local landmarks in Towersey
The nearest railway station is Haddenham & Thame Parkway station, roughly 2 miles north of the centre. Nearby you will also find Dinton Castle (4.3 miles north-east) and Thame Community Hospital (1.4 miles west). For a walk, there’s Snakemoor.
Can I do it myself?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.
Different surfaces, different methods
Show homes
We seal show-home bathrooms, kitchens and frames. Tell us when the home is open so we can plan around it.
Plot handovers
Developers can send the plot schedule and specification. We seal bathrooms, kitchens, frames and floors to the agreed spec.
When it isn’t the sealant
A few problems are outside what sealant work can do:
- Settlement cracks that need a surveyor
- Leaking fittings rather than failed sealant
- Deciding who is responsible under a builder’s warranty
If in doubt, phone 0345 464 0079 or send us an email and we will say what we think.
Where we work in Towersey
- Plot handovers
- Skirting & floors
- Bathrooms & en suites
- Show homes
- Windows & doors
- Kitchens
Other services in Towersey
What affects the cost of new build mastic
You will get a clear quote before we start. It takes into account:
- How many areas need sealing
- Mould in or behind the old joints
- The size of the job
- When we can work, for business premises
Commercial jobs are quoted on the same basis as homes: 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 to tell us for a quote
To help us quote quickly, please include:
- Whether it has been sealed before
- The rough size of the job
- A few photos by email, if you can
- The address or postcode of the job
For new build mastic in Towersey, phone 0345 464 0079 or email us. A short description of the job and where it is helps us quote, and you will get a clear quote before we start.
What happens if it’s left?
Running a new bead over the builder’s sealant might look tidy for a few weeks, but it will not bond to the old layer. A lasting seal starts with removing the old one completely. In a small place like Towersey, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
The cost depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. We give a clear quote before we start, so you know where you stand.
Why us?
- White, clear, grey or coloured to suit, where the product allows
- Fully insured
- 180+ five-star Google reviews
- Over 20 years’ experience
Read our cost guide or what customers say.
