Hampshire · England
Damerham New Build Mastic
New build mastic for Damerham, by sealant specialists with 20+ years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- New-build shower sealant that has already split
- Cracked caulk along new skirting
- Sealant work across a run of new homes
Why deal with it now?
Water getting past a failed seal in a new build reaches walls and floors that are still settling. Resealing promptly protects the new finishes around it. In a small place like Damerham, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
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.
Why Damerham customers choose us
- Approved under the ARBOMaster scheme
- Colour agreed with you before we start
- White, clear, grey or coloured to suit, where the product allows
- Domestic, commercial and hotel work
Read what affects the cost and customer reviews.
About our new build mastic in Damerham
Failed shower seals, gaps along the skirting and messy beads are common items on a new-home snagging list. While the builder’s snagging or warranty period runs, report it to them first. Common call-outs are for leaking shower tray seals in a new home and gaps behind new kitchen upstands, across kitchens, bathrooms & en suites and plot handovers.
Work in a small place like Damerham just needs the journey and access planning, and the work itself is the same as on any site.
Every job comes with our 12-month guarantee, wherever you are in Hampshire.

- Where
- Damerham (SP6)
- Wider area
- Hampshire
- Cover
- One year on every job
- Quote
- A clear price before we start
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Quotes for new build mastic in Damerham
Jobs vary more than people expect. What affects the quote:
- How many rooms, windows or areas are involved
- The number and length of the joints
- Access and height
- Any working-time requirements on site
A few things move the cost up or down: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether we need extra access for height. We take all of that into account in your quote.
What to tell us for a quote
There’s no need for technical detail. Just tell us:
- What the problem is, such as mould, gaps, leaks or cracking
- Roughly how big the job is
- A few pictures by email, if you can
- Any access issues, like height or stairs
Asking for a quote is easy: let us know the job and the location. Photos by email help us understand the job, and we’ll take it from there.
Work for landlords, hotels and businesses
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. We can quote for more than one property at once.
We work for letting agents and landlords as well as homeowners. Sealant work between tenants keeps a property looking cared for.
Your questions about new build mastic in Damerham
What guarantee comes with new build mastic in Damerham?
All our work, in Damerham and everywhere else, comes with a 12-month guarantee. We are fully insured, and an ARBOMaster approved applicator.
Is Damerham in your area for new build mastic?
Yes. We work across London and the South East, and Damerham is part of that. Just ring 0345 464 0079 or send us an email with a few details of the job.
How long should I leave it?
Cure times vary by product. We tell you how long to leave it before we go.
Is it normal for sealant to crack in a new home?
It’s common, and there are normally two reasons: movement as the house dries and settles, and sealant laid onto dust without primer. Cutting it out and resealing properly fixes both.
Do I need to be at home?
That depends on where the joints are. For work indoors, someone needs to let us in.
Will you just run a new bead over the existing one?
No. Sealing over old sealant looks fine for a few weeks, then lifts. All the old sealant comes out before any work starts.
Do you work through snagging lists?
Yes. Snagging lists are a common starting point for us. We’ll go through the sealant items and agree what we’ll do.
Is it worth trying it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. Most DIY failures come from sealing over old material, wet joints or too much sealant.
What we do, step by step
When we arrive, we look over the joints with you first, so you know exactly what we are doing. We protect the surfaces around the joints before any work begins. Most jobs take a few hours in a single home. In a small place like Damerham, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We start by agreeing which joints are on the list, from the snagging sheet or plot schedule.
- The old bead comes out in full, with no layer left behind.
- Each joint is cleaned of dust and grit, then primed if required.
- New sealant suited to each joint is applied and tooled neatly.
- Each area is checked and left with its cure time.
How to prepare
- Tell us about any previous sealing or DIY attempts
- Mention any parking rules near the property
- Plan for the work area to be out of bounds to pets and children
Get a quote
To get a quote, call 0345 464 0079 or send us an email with the location and a short description of the problem. We’ll give you a clear quote before any work starts.
Advice
New homes and floors in Damerham
London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
For jobs in and around Damerham, choosing the right material for each joint is as important as a tidy finish.
Damerham is in Hampshire. If you need new build mastic in Damerham, please ring 0345 464 0079 or drop us an email for a quick quote. We’re based in Crawley and cover Hampshire, Damerham included. We cover 683 towns and villages across Hampshire, large and small. We also work in Southampton, around 20 miles away.
Postcode districts we cover here for new build mastic: SP6. You’ll find streets such as High Street, Green Close and Mill End, and we cover them all. If you are just outside Damerham, we cover Sandleheath (1 mile south-east), Rockbourne (2 miles north), Broxhill (2 miles south), Ashford (2 miles south-east) and Alderholt (2 miles south-east). We also work in nearby towns such as Totton (15 miles east), New Milton (15 miles south-east), Ringwood (7 miles south-east), Fordingbridge (3 miles east), St Leonards (8 miles south) and Brockenhurst (15 miles south-east).
Landmarks near Damerham
Nearby you will also find Fordingbridge Museum (2.9 miles east) and Cranborne Castle Hill (3.5 miles south-west).
Common problems we fix in Damerham
If plaster or screed was still damp when it was sealed, the bond suffers. Site programmes do not always leave time for joints to dry before the sealant goes on.
Most people get in touch after spotting one of these:
- Frame joints opening as the plaster dries
- Gaps opening as the house dries out and settles
- Cracked caulk along new skirting
- Smeared, uneven beads picked up at snagging
Around Damerham, as everywhere, new build mastic is only as good as the preparation behind it.
What your quote should include
- What happens if they find a problem under the old sealant
- Whether VAT is included
- How the colour is chosen
- How the surfaces are prepared before sealing
Different surfaces, different methods
Kitchens
Sink joints are wet all the time. We use a sealant suited to kitchens.
Bathrooms and en suites
Baths, showers, basins and trays in new bathrooms are the most common new-build reseal. We cut out the failed bead, clean and prime, and reseal with anti-fungal sanitary silicone.
When something else is needed
We will not take on work that won’t last, so here’s what sealant can’t put right:
- Movement caused by a poorly fitted tray or bath
- Deciding who is responsible under a builder’s warranty
- Leaking fittings rather than failed sealant
Not sure which it is? You can phone 0345 464 0079 or email us and we’ll tell you honestly.
Where we work in Damerham
- Bathrooms & en suites
- Skirting & floors
- Show homes
- Kitchens
- Windows & doors
- Plot handovers
