Hampshire · England
New Build Mastic in Fleet
New-build sealant joints in Fleet need attention? We remove the old material, prepare the joints and seal them properly, with a one-year guarantee.
- Messy sealant that spoils new finishes
- Gaps between new skirting and floors
- Cracked sealant around new window and door frames
New build mastic in Fleet, done properly
If your new home has a leaking shower seal, open skirting joints or untidy sealant, we can help. If you’re still within the builder’s snagging or warranty period, tell them first. We’re often asked to deal with sealant that never bonded to the surface and gaps behind new kitchen upstands, on skirting & floors, show homes and kitchens.
In a town like Fleet, older houses sit alongside newer estates, with new homes still going up on the edge of many towns. Whether a house is brand new or a few years old, sealant and floor joints are often the first snags to show.
You get a one-year guarantee, the same in Fleet as everywhere else we work.
- Where
- Fleet (GU51, GU52, GU10)
- Wider area
- Hampshire
- Cover
- 12 months on all our work
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Joints and finishes in Fleet homes
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.
Around Fleet, as everywhere, new build mastic is only as good as the preparation behind it.
Fleet is about 13 miles south-east of Reading, in Hampshire. Jobs in Fleet get the same care as everywhere else we work: old sealant removed completely, careful preparation and a 12-month guarantee. Across Hampshire, we cover 683 places, and Fleet is one of them. For nearby work, see our Reading page, about 13 miles away.
Postcode districts we cover here for new build mastic: GU51, GU52 and GU10. New build mastic is available to properties on Church Road, Durnsford Avenue and Hankins Court. Fleet is on the A323 and A3013, so it’s easy for us to get to with everything needed for new build mastic. We also cover the places around Fleet: Church Crookham (1 mile south-east), Crookham Village (1 mile west), Elvetham Heath (1 mile north-west), Dogmersfield (2 miles west) and Elvetham (2 miles north-west). Within a short drive, we also cover Basingstoke (11 miles west), Farnborough (3 miles north-east), Aldershot (4 miles south-east), Alton (10 miles south-west), Yateley (4 miles north) and Tadley (14 miles north-west). Fleet is one of the larger places we cover in Hampshire.
Landmarks near Fleet
Locally, jobs take us to homes and businesses close to Court Moor School, The Prince of Wales pub and School, among other places. Fleet’s nearest station is Fleet station, about 1.2 miles north of the centre. Nearby you’ll also find Royal Army Dental Corps Historical Museum (3.9 miles east) and Fleet Community Hospital (1 mile north-west). Not far away are Fleet Pond Nature Reserve and Hitches Hill.
Nearby places to Fleet
Also in Fleet
Why act early in Fleet
A quick bead over the top of the old sealant can look fine at first, but it can’t bond to what’s underneath. Taking it all out and starting again is the only way to get a lasting seal. In a family home in Fleet, a failed seal around a bath or a frame lets water into places you cannot see, such as under the floor, behind a panel or into a wall. Whatever the joint, failed sealant only gets worse.
The cost reflects the work involved, not a rough estimate. That’s why we ask a few questions first.
Why book with us
- White, clear, grey or another colour, product permitting
- Rated 4.9 stars on Google
- Homes, businesses and hotels
- A 12-month guarantee on all work
Take a look at what affects the cost and customer reviews.
Fleet questions
I let a flat near Fleet station. Can you help?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or send us an email and tell us about the property, and we will send you a clear quote.
Can you do new build mastic in Fleet?
Yes, Fleet is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or send us an email with a few details of the job, and we will give you a clear price.
Can you quote for more than one area?
Yes. Tell us about everything you’d like done and we’ll quote it together.
Can you match the sealant colour to my new kitchen or bathroom?
It depends on the joint: white or clear in most bathrooms, and a colour to suit worktops, frames and floors elsewhere. We’ll agree it with you first.
When is the best time to reseal in a new build?
That depends on the joint. A leaking shower or bath seal should be redone right away, but cosmetic gaps can wait for movement to slow.
Can you work on commercial sites?
Yes, regularly. Larger jobs can be planned room by room or area by area to suit the site.
Which products 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.
Where is Mr Mastic based?
Our base is in Crawley, and we cover South East England, London and all of Scotland.
How we quote for new build mastic
For a quick quote, just ask. What matters most is:
- Which sealant suits the joint
- Any mould that needs treating
- Working hours on commercial sites
- The amount of work
We don’t show prices on the website, because each job is priced on what it involves. Call for a quick quote and we will talk you through it.
Asking for a quote
Before you ask for a quote, have a think about:
- Whether it has been sealed before
- Whether it’s a home or a business
- What the problem is, such as mould, gaps, leaks or cracking
- Where the property is
For a quick quote, get us on the phone, or email us if that’s easier. Describe what needs sealing and we will explain what’s involved.
How the visit works
Before we leave, we go over the finished joints with you and tell you how long to leave it. The visit itself usually takes a few hours in a single home, depending on how much there is to do. For a job in Fleet, we need access to where the work is and somewhere nearby to park. For outside work, let us know about side access, gates and any upper-floor joints.
- Each joint is checked for movement before we start.
- We remove the failed sealant and clean the joints.
- Joints are dried and primed where the product calls for it.
- New sealant goes in, with baths filled first so they’re at their heaviest.
- We check every joint and leave you with the cure times.
Getting ready for the visit
- Let us know if you’ve seen damp or leaks
- Let us know about earlier repairs to the joints
- Try not to wet indoor joints just before the visit
How to get a quote
To get a quote, call 0345 464 0079 or drop us an email with the location and a short description of the problem. We will give you a clear quote before any work starts.
Read more
How to look after the new joints
How long the joints last depends on use and care. We suggest:
- Ventilate bathrooms well, especially in the first year
- Don’t seal over failed sealant yourself
- Wipe joints with warm soapy water
- Don’t wait for the house to settle if water is getting through
Keep the bathroom ventilated, especially in the first year. Run the fan or open a window after bathing.
A seal that splits early is often a sign of movement. Getting it resealed properly, and any movement checked, stops it recurring.
What we can’t put right
To be straight with you, there are a few things sealant won’t fix:
- Settlement cracks that need a surveyor
- Damaged fittings that need replacing
- Movement caused by a poorly fitted tray or bath
If you’re not sure, just phone 0345 464 0079 or drop us an email and we’ll give you a straight answer.
Where we work in Fleet
- Skirting & floors
- Kitchens
- Bathrooms & en suites
- Show homes
- Plot handovers
- Windows & doors
Should I try it myself first?
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
Common problems we fix in Fleet
Later trades and the final clean can damage fresh sealant. If it’s disturbed before curing, the joint can be left weak and it shows once the home is in use.
The problems people generally mention when they call are:
- Untidy sealant flagged on a snagging list
- Sealant work across a run of new homes
- Gaps between new skirting and floors
- Internal frame sealant that has split
If you’ve bought a new home near Fleet station, the sealant around baths, showers and frames is worth checking in the first year or two.
Before you book anyone
- Who turns up on the day
- Which colour the sealant will be
- Whether they seal over old material or remove it
- What the quote includes, VAT included or not