Buckinghamshire · England
New-build mastic & snagging in Sedrup, Buckinghamshire
Plot mastic for developers and snagging failed sealant in new homes in Sedrup, with a one-year guarantee on every job. Call for a quick quote.
- Second-fix sealing on new plots
- Skirting joints opening in the first winter
- Shower seals failing in the first year or two
The process
A visit follows a simple pattern: we look at the joints together, mask and protect the surrounding surfaces, carry out the job and clear up. It generally takes anything from a few hours to several days, depending on the number of plots. For a village or hamlet like Sedrup, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- The failed sealant is removed completely.
- Joints are vacuumed and cleaned of building dust.
- We prime where needed and apply a sealant suited to each joint.
- Each bead is tooled and the cure times explained.
Getting ready for the visit
- Tell us if parking is tricky
- Let us know about stairs, lifts or work at height
- For business premises, tell us about site rules or sign-in
Get a quote
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is. When it suits you, ring 0345 464 0079 or send us an email.
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About our new build mastic in Sedrup
New homes move as they dry out. Timber dries and shrinks, and baths and trays settle, so sealant that was laid quickly before handover often cracks. We work on plot handovers, kitchens and show homes, and people most often call us about smeared, uneven beads picked up at snagging and cracks appearing as a new home settles.
For a small place like Sedrup, the journey and access are planned in advance, and the work itself is the same as on any site.
There’s a 12-month guarantee on every job, whatever its size.
- Location
- Sedrup (HP17)
- Region
- Buckinghamshire
- Guarantee
- One year on every job
- Quote
- A clear price before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Nearby places to Sedrup
What else we do in Sedrup
Why deal with it now?
A tube of sealant from the DIY shop won’t fix the cause: dust, no primer and old sealant left in the joint. Proper removal and preparation are what make it last. Where a wall is exposed, as many are in small places like Sedrup, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
Leaving a failed joint generally makes the job bigger, not smaller. If you’re not sure whether it needs doing, phone 0345 464 0079 or send us an email and we’ll give you an honest view and a quote.
Why us?
- We agree the colour with you first
- Arbo and Everbuild products
- We are fully insured
- Any old sealant cut out fully, not covered over
See our cost guide or our reviews.
Keeping the joints in good condition
How long the joints last depends on use and care. Here’s what we suggest:
- Wait for the cure time before using a resealed shower
- Photograph failed sealant before it’s redone
- Ventilate bathrooms well, especially in the first year
- Avoid scourers and strong chemicals on sealant
Clean the sealant with a mild detergent and a soft cloth. Avoid abrasive pads and strong solvents as they wear the bead.
Report failed sealant to the builder while you are in the snagging period. Once it ends, the repair may be down to you so report it promptly.
FAQs for Sedrup
Do you cover Sedrup for new build mastic?
Yes. Our work covers London and the South East, and Sedrup is part of that. You can call 0345 464 0079 or email us and tell us what needs doing, and we’ll give you a clear price.
Will you come out to Sedrup?
Yes, Sedrup is covered. We work across London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Where are you based?
Our base is Crawley, with over 20 years’ experience. Our area covers South East England, London and Scotland.
How long does the job take?
A typical job takes a few hours in a single home, including preparation and clearing up. We will confirm how long when we quote.
I rent my home. Can I book you?
Of course. Ask your landlord first, and we can send them the quote if that helps.
Can landlords and businesses book you?
Yes, regularly. Several properties can go on one quote, and between tenancies is a good time for the work.
Should I go to my builder first?
While the snagging or warranty period runs, the builder should be your first contact. If it is not sorted, or keeps failing, get in touch with us.
Do you guarantee your work?
Yes. Each job is guaranteed for twelve months.
Do you need new build mastic in Sedrup?
Once people move in, baths and trays take weight and bed down. A bath sealed empty drops slightly when filled, straining the joint and can tear.
Keep an eye out for these signs:
- Joints pulling apart as timber shrinks
- Cracked sealant around new window and door frames
- Sealant applied over dusty or wet surfaces
- Sealant work across a run of new homes
In and around Sedrup, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Questions to ask before booking
- What guarantee comes with the work
- What happens if the job turns out different
- How the surfaces are prepared before sealing
- When the joint can take water or movement
New build mastic around Sedrup
London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
For new homes near Aylesbury station, it’s worth checking the sealant early, while snags are still fresh.
Sedrup is about 2 miles south-west of Aylesbury, in Buckinghamshire. Every kind of property in Sedrup is covered for new build mastic. Every job comes with our one-year guarantee. Our Buckinghamshire coverage runs to 263 places, Sedrup among them. We also work in Oxford, around 17 miles away.
Jobs for new build mastic in HP17 works the same way as everywhere else we cover. Neighbouring places we cover for new build mastic include Bishopstone (1 mile south), Walton Court (1 mile east), Upton (2 miles west), Ford (2 miles south-west) and Dinton (2 miles west). We also work in nearby towns such as High Wycombe (12 miles south), Chesham (11 miles south-east), Buckingham (15 miles north-west), Amersham (13 miles south-east), Beaconsfield (15 miles south-east) and Elmhurst (3 miles north-east).
Around Sedrup
Typical jobs here are in homes near The Harrow pub, The Mandeville School and Pebble Brook School. For rail, the closest station is Aylesbury station, about 1.7 miles north-east of the centre. Well-known places in the area include Dinton Castle (2.1 miles west) and Friars Square (1.8 miles north-east). The countryside around Sedrup includes Beacon Hill and Snakemoor.
Surface by surface
Bathrooms and en suites
En suite showers are a common source of leaks into the room below. A proper reseal keeps water in the tray.
Show homes
Bathrooms, kitchens and frames in show homes are sealed or resealed to a neat finish to a tidy standard. We will plan around viewing times.
Can I do it myself?
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.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
What affects the cost of new build mastic
The quote reflects the job in front of us. We look at:
- When we can work, for business premises
- The size of the job
- Any mould that needs treating
- Which sealant suits the joint
No two jobs are quite the same, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part, and we’ll explain the quote if you ask.
Asking for a quote
There’s no need for technical detail. Just tell us:
- The problem you’ve noticed
- Any previous sealing or DIY work
- A few photos by email, if you can
- How many joints, rooms or windows are involved
For new build mastic in Sedrup, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and you’ll get a clear quote before work begins.