Hampshire · England
New-build mastic & snagging in Picket Twenty, Hampshire
Plot mastic for developers and snagging failed sealant in new homes for homes and businesses in Picket Twenty and across Hampshire. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Cracked caulk along new skirting
- Cracked sealant around new window and door frames
- New-build shower sealant that has already split
About our new build mastic in Picket Twenty
Across Picket Twenty, we work for both new-home owners and the builders handing those homes over. Whether it’s one en suite or a run of plots, the method is the same: cut out, clean, prime where needed and reseal neatly. We work on windows & doors, show homes and bathrooms & en suites, and the jobs we see most are cracked caulk along new skirting and cracked sealant around new window and door frames.
Work in a small place like Picket Twenty just needs the journey and access planning, and the work itself is the same as on any site.
A 12-month guarantee comes as standard, so you’re covered after we’ve gone.
- Where
- Picket Twenty (SP10, SP11)
- Wider area
- Hampshire
- Guarantee
- A year, on every job
- Quote
- A clear price before work begins
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
What new build mastic looks like in Picket Twenty
Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
If you’ve bought a new home near Andover station, the sealant around baths, showers and frames is worth checking in the first year or two.
Picket Twenty is about 1 mile east of Andover, in Hampshire. We carry out new build mastic for householders, landlords and businesses in Picket Twenty and the surrounding area. Across Hampshire, we cover 683 places, and Picket Twenty is one of them. For nearby work, see our Southampton page, about 20 miles away.
Postcode districts we cover here for new build mastic: SP10 and SP11. Local streets include Levy Road, London Road and Stalls Road, and we cover them all. Being close to the A3093, Picket Twenty is easy for our applicators to reach for new build mastic. We also cover the places around Picket Twenty: Andover Down (1 mile north-east), Finkley Down (1 mile north), Picket Piece (1 mile north-east), Andover (1 mile west) and East Anton (1 mile north-west). Further out, we also cover Winchester (12 miles south-east), Romsey (15 miles south), Hyde (11 miles south-east), Tidworth (9 miles west), Weeke (11 miles south-east) and Kempshott (14 miles east).
Landmarks near Picket Twenty
Locally, jobs take us to homes and businesses close to Winton Community Academy and Winton Community Academy, among other places. For rail, the closest station is Andover station, roughly 1.8 miles west. A little further out are Finkley Down Farm Museum (1 mile north) and Andover War Memorial Hospital (1.9 miles west). Open spaces near Picket Twenty include Anton Lakes and Mill Lake.
What happens if it’s left?
DIY kits don’t solve the main problems with new-build sealant: grit, unprimed surfaces and old layers underneath. Cutting out, cleaning and priming are what make the difference. Where a wall is exposed, as many are in small places like Picket Twenty, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
Combining jobs into one visit is usually more efficient than separate visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.
Why us?
- Neat joints and a tidy finish
- White, clear, grey or coloured to suit, where the product allows
- Any old sealant cut out fully, not covered over
- ARBOMaster approved applicator
Take a look at how sealant jobs are priced and our reviews.
Places near Picket Twenty
Other services in Picket Twenty
Can I do it myself?
A DIY attempt doesn’t rule out a professional job. We remove it and do the joint properly.
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.
Landlords, agents and businesses in Picket Twenty
Water getting past a failed joint can damage the building, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance that we can handle for you.
If you manage several properties in or around Picket Twenty, several properties can go on one quote. Send us the addresses and the work at each.
When to call us in Picket Twenty
Sealant applied onto damp surfaces doesn’t bond well. On a busy site, joints aren’t always given time to dry first.
The problems people generally mention when they call include:
- Gaps opening as the house dries out and settles
- Sealant that never bonded to the surface
- Internal frame sealant that has split
- Gaps behind new kitchen upstands
Around Picket Twenty, as everywhere, new build mastic is only as good as the preparation behind it.
Before booking anyone
- Which colour the sealant will be
- What preparation is included
- What product goes in the joint
- What insurance they hold
What we do, step by step
There isn’t much for you to do on the day. Point us to the joints and we’ll get on with it. The work itself takes a few hours for most snagging lists, longer for a run of plots. For a village or hamlet like Picket Twenty, the journey is planned in advance: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- The failed sealant is removed completely, with no layer left behind.
- Joints are vacuumed and cleaned of building dust.
- Primer goes on where the surface and product need it, then the new sealant.
- We tool every joint neatly and tell you when each area can be used.
Preparing for the visit
- Let us know if you’ve seen damp or leaks
- For indoor joints, keep the area dry beforehand if you can
- Move anything stored near the joints
Get a quote
We don’t publish a price list, because every job is different. Instead, your job gets its own clear quote. To get started, call 0345 464 0079 or email us.
Related advice
Picket Twenty: your questions answered
Is Picket Twenty within the area you cover?
Yes. Picket Twenty is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Can you help a landlord with a rental near Andover station?
Yes. We work for landlords and agents as well as homeowners, and several properties can go on one quote. You can call 0345 464 0079 or drop us an email with the details for a clear quote.
Is there any odour?
Sometimes, a little. It fades as the sealant cures.
Will the old sealant be removed?
Always. Sealing over old sealant is the main reason resealing fails early, and it’s something we never do.
Do you have insurance?
Yes, we are fully insured.
Is there a guarantee?
Yes: twelve months. If there’s a problem with our work in that time, tell us and we will put it right.
What should I tell you?
Only a few details: where it is, what you’ve noticed and how we reach it. Then phone 0345 464 0079 or send us an email.
How long does new build mastic take?
Typically it takes a few hours for most snagging lists, longer for a run of plots. Bigger jobs take longer, and we will tell you how long to expect.
Different surfaces, different methods
Show homes
Tired or marked sealant in a show home can be renewed. We cut it out and reseal neatly.
Bathrooms and en suites
New-build bathrooms and en suites are where sealant fails most often. We cut out the failed bead, clean and prime, and reseal with anti-fungal sanitary silicone.
What affects the cost of new build mastic
The quote reflects the job in front of us. We look at:
- Whether the work is at height
- Mould in or behind the old joints
- The size of the job
- Whether old sealant or filler has to be cut out
The cost reflects the work involved, not a rough estimate. That’s why we ask about the job first.
Helping us quote
Before you ask for a quote, have a think about:
- Any previous sealing or DIY work
- The address or postcode of the job
- A few pictures by email, if you can
- Roughly how big the job is
To get a quote, phone 0345 464 0079 or email us with the location and a short description of the problem. We’ll give you a clear quote before any work starts.