Hampshire · England
New-build mastic & snagging in Rowner, Hampshire
Plot mastic for developers and snagging failed sealant in new homes for Rowner, backed by a 12-month guarantee. Call for a quick quote.
- Sealant that never bonded to the surface
- Cracked sealant around new window and door frames
- Sealant work across a run of new homes
New build mastic in Rowner, done properly
A new build should have a neat, sound bead at every joint. Smeared, patchy or cracked sealant is worth sorting early, before water gets into the floor or walls. If you have sealant that never bonded to the surface and skirting joints opening in the first winter, we can put it right, on skirting & floors, kitchens and windows & doors alike.
If you’ve bought a new home in or near Rowner, the first year or two is a good time to check the sealant. Common snags include open skirting joints, lifting shower seals and gaps around frames.
Our work is backed for twelve months, in Rowner and everywhere else we cover.
- Location
- Rowner (PO13, PO14)
- Region
- Hampshire
- Cover
- One year on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
How we quote for new build mastic
We don’t publish a price list. What we look at:
- Access and height
- How much old sealant there is and how hard it is to remove
- How much there is to do
- Any mould that needs treating
What it costs depends on the size of the job, how much old material has to come out and access to the work. You will have a clear quote before any work starts.
What to tell us for a quote
When you call or email, it’s useful to know:
- If it’s domestic, commercial or a hotel
- A few pictures by email, if you can
- The address or postcode of the job
- Any access issues, like height or stairs
Every job is quoted individually, so the first step is telling us about yours. Simply call 0345 464 0079 or email us and describe the job and send pictures if you have them.
DIY versus a professional finish
If you are 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 does not work out, we can still put it right.
Sealing over old silicone is the commonest DIY error. Silicone doesn’t stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
Landlord and commercial work in Rowner
For anyone letting property in or around Rowner, several properties can be quoted together. Just tell us the addresses and what each one needs, and pictures by email help.
Whether it’s one flat or a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
How it works
Most of a good job is in the preparation, so that is where we spend the time. Every joint is cleaned and dried before new material goes in. In total, it generally takes a few hours for most snagging lists, longer for a run of plots. In a smaller place like Rowner, parking is seldom the issue; lanes, gates and long drives are worth mentioning. For outside work, side access and the height of the joints help us plan.
- We go through the snagging list or plot schedule and agree the joints to do.
- We cut out every bit of the failed or messy sealant.
- We clean off dust from the build and prime the surfaces where the product needs it.
- A sealant chosen for each area goes in and is tooled smooth.
- Finally, each room is checked and you are given the cure time.
Preparing for the visit
- Clear items away from the joints we are working on
- Let us know about earlier repairs to the joints
- Try not to wet indoor joints just before the visit
How to get a quote
Getting a quote is simple: let us know the job and the location and its rough size. A few photos by email make the job easier to understand, and we will take it from there.
Advice
When to call us in Rowner
If plaster or screed was still damp when it was sealed, the bond suffers. On a busy site, joints are not always given time to dry first.
It’s worth asking for a quote if you see:
- Kitchen sealant that has pulled off the wall
- Leaking shower tray seals in a new home
- Smeared, uneven beads picked up at snagging
- Second-fix sealing on new plots
In and around Rowner, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
What to look for in a quote
- How the surfaces are prepared before sealing
- Is VAT in the price?
- Who turns up on the day
- Which sealant they’ll use, and why
New build mastic in Rowner: local notes
Rowner is close to the coast. New homes near the sea put their outside mastic to work from day one, so it’s worth checking at snagging. Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
If you’ve bought a new home near Fareham station, the sealant around baths, showers and frames is worth checking in the first year or two.
Rowner is about 2 miles north-west of Gosport, in Hampshire. Homes, rented property, offices and hotels in Rowner can book us for new build mastic, old or new, large or small. The work is guaranteed for a year. Across Hampshire, we cover 683 places, Rowner among them.
Postcode districts we cover here for new build mastic: PO13 and PO14. New build mastic is available to properties on Wych Lane, Camp Road and Keyes Road and the roads around them. Other places close to Rowner include Bridgemary (1 mile south-east), Peel Common (1 mile west), Crofton (1 mile west), Elson (1 mile south-east) and Lee-on-the-Solent (2 miles south-west). Further out, we also cover Havant (9 miles east), Eastleigh (12 miles north-west), Horndean (9 miles north-east), Chandler's Ford (15 miles north-west), Hedge End (9 miles north-west) and Waterlooville (8 miles north-east).
What’s near Rowner
Locally, jobs take us to homes and businesses close to Holbrook Primary School, The Green Dragon pub and Baycroft School, among other places. The closest station to Rowner is Fareham station, about 2.3 miles north of the centre. A little further out are Gosport War Memorial Hospital (2.3 miles south-east) and Portchester Castle (2.9 miles east). Open spaces near Rowner include West of the River Alver and Portsdown Hill.
Nearby places to Rowner
More services for Rowner
What happens if it’s left?
A failed shower or bath seal in a new home lets water into floors and walls that are still drying out. Resealing promptly protects the new finishes around it. In an older home around Rowner, damp from a failed joint can get into timber and plaster, which is far harder to put right than the sealant itself.
Combining jobs into one visit is generally more efficient than separate visits, so tell us about everything that needs sealing. We’ll send you a clear quote for the lot.
Why book with us
- Rated 4.9 stars on Google
- Experience in homes, commercial sites and hotels
- White, clear, grey or coloured to suit, where the product allows
- We agree the colour with you first
Questions from Rowner
Do you cover Rowner for new build mastic?
Yes. We work across London and the South East, and Rowner is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job.
Is Rowner within the area you cover?
Yes, Rowner 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.
Can you work from my snagging list?
Yes. Send us the sealant items on the list, with pictures if you can and we will give you a quote. We will flag anything that needs another trade.
Are you insured?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
How long before the joint can be used?
That depends on the sealant used, so follow the cure time we give you when we finish.
Does someone need to be in?
We need access to the joints, so we’ll agree that with you when we book. For inside work, that normally means someone being in.
What does new build mastic cost?
Size, access and the old material all affect the cost. Ask us for a quote and we will talk you through it.
Do you guarantee your work?
Yes. Every job comes with a 12-month guarantee.
What we cannot put right
A few problems are outside what sealant work can do:
- Settlement cracks that need a surveyor
- Baths and trays that move too much for sealant to cope with
- Plumbing faults behind the sealant
If in doubt, call 0345 464 0079 or email us and we’ll say what we think.
Joints and surfaces we work on
- Windows & doors
- Skirting & floors
- Bathrooms & en suites
- Kitchens
- Plot handovers
- Show homes