South East England and London
New Build Mastic in Southampton
New build mastic in all 40 towns and villages of Southampton, with every joint properly prepared, with a clear quote before we start and a one-year guarantee.
New build mastic across Southampton
Plot mastic for developers and snagging failed sealant in new homes. Pick your town below to see the details for your area, and get in touch for a quick quote.
Largest places
Other services in Southampton
- Remedial sealant & repairs
- Floor & skirting joints
- Gutter, fascia & soffit sealing
- Bathroom & kitchen resealing
- Glazing & conservatory sealant
- Window & door mastic
- Regrouting
- Commercial & hotel sealant
- Sand mastic for sash & case windows
- External & façade joints
- Fire-rated sealant
Postcode areas we cover
How new build mastic works in Southampton
Some new-home owners let the house settle before resealing. That makes sense for small gaps that are just cosmetic, but a seal that’s letting water through needs doing now. Typical jobs include skirting joints opening in the first winter and smeared, uneven beads picked up at snagging, across skirting & floors, kitchens and bathrooms & en suites.
On the day, there’s very little for you to do. Show us the job and we’ll take it from there. The job generally takes a few hours for most snagging lists, longer for a run of plots.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- The failed sealant is removed completely down to clean surfaces.
- Joints are vacuumed and cleaned of building dust.
- Primer goes on where the surface and product need it, then the new sealant.
- Each bead is tooled and the cure times explained.
Pricing in Southampton
What it costs depends on the amount of work, how hard the old material is to remove and access to the work. You’ll have a clear quote before any work starts.
What you get with us
- Every job guaranteed for a year
- We’re fully insured
- Colour agreed with you before work begins
- 180+ five-star Google reviews
How to get a quote
We quote each job on its own, so start by telling us what you need. Simply ring 0345 464 0079 or email us and describe the job and send pictures if you have them.
What’s near Southampton
Around Southampton, our work takes us to homes and buildings near Saint Mary's, St Mary's Independent School and Rockstone Place Park. Nearby too are Bevois Town Primary School (under half a mile west), The Hobbit pub (within half a mile west) and St Anne's Catholic School (0.6 miles south-west). There’s a railway station in Southampton itself: St Denys station. Other landmarks nearby include Marlands Shopping Centre (1 mile south-west) and R J Mitchell Museum (0.9 miles south-west). Not far away are Netley Common.
New build mastic across Southampton: local notes
Homes across Southampton range from older properties with timber floors to new builds settling in. Skirting, threshold and floor joints open up in both, as floors move and new buildings settle.
London and the South East are among the drier parts of the UK, though outside sealant still needs a dry, clean joint, so work across Southampton is planned around the weather. In the coastal parts of Southampton, the sea-facing side of a building takes the most weather, and that’s where sealant usually gives up first. The right product and careful preparation help it last.
Southampton: Around Southampton, as everywhere, new build mastic is only as good as the preparation behind it. For new homes near St Denys station, it’s worth checking the sealant early, while snags are still fresh.
Should I try it myself first?
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
Quotes for new build mastic in Southampton
Jobs vary more than people expect. What affects the quote:
- How many areas need sealing
- When we can work, for business premises
- The type of sealant required
- Any mould that needs treating
We don’t show prices on the website, because each job is priced on what it involves. For a quick quote, please call 0345 464 0079 or drop us an email.
Asking for a quote
When you call or email, it’s useful to know:
- The address or postcode of the job
- If it’s domestic, commercial or a hotel
- The problem you’ve noticed
- If someone has resealed it before
Call for a quick quote, or email us if that’s easier. Describe what needs sealing and we’ll talk you through the work.
What we are called out for in Southampton
Fresh sealant can be knocked or cut by trades finishing off. If it’s disturbed before curing, the joint can be left weak, and the problem shows up after you move in.
Any of these means the joints need attention:
- Second-fix sealing on new plots
- Gaps behind new kitchen upstands
- Leaking shower tray seals in a new home
- Beads laid onto grit and dust from the build
How the job changes by surface
Windows and doors
On new builds, external frame sealant can be patchy. We reseal it with a weatherproof, flexible sealant.
Show homes
Bathrooms, kitchens and frames in show homes are sealed or resealed to a neat finish. Tell us when the home is open so we can plan around it.
What sealant work cannot fix
We’ll always be straight with you, so here’s what new sealant won’t do:
- Settlement cracks that need a surveyor
- Disputes or warranty claims with your builder
- Cracked trays, tiles or worktops
Southampton questions
Do you work for landlords and businesses?
Yes, often. We can quote for several properties at once, and between tenancies is a good time for the work.
Is it messy?
No. The area is protected while we work and cleaned up afterwards.
I’m a tenant. Can you help?
We’re happy to deal with the tenant, landlord or agent. Get your landlord’s agreement first.
Do you guarantee your work?
Yes. All our work carries a 12-month guarantee.
Which products do you use?
Quality sealants from brands including Arbo and Everbuild, picked for each joint. We will tell you what we’re using and why.
Do you work through snagging lists?
Yes. Snagging lists are a common starting point for us. We agree the sealant items with you before we start.
How much does new build mastic cost in Southampton?
Size, access and the old material all affect the cost. Call for a quick quote.