Hampshire · England

New-build mastic & snagging in Crampmoor, Hampshire

Plot mastic for developers and snagging failed sealant in new homes for homes and businesses in Crampmoor and across Hampshire. Fully insured, ARBOMaster approved and guaranteed for a year.

  • Joints pulling apart as timber shrinks
  • Kitchen sealant that has pulled off the wall
  • Gaps between new skirting and floors

Need new build mastic in Crampmoor?

About our new build mastic in Crampmoor

A new house keeps drying out and settling for its first couple of years. Timber dries and shrinks, and baths and trays settle, and sealant applied in a hurry at handover can split. Common call-outs are for second-fix sealing on new plots and kitchen sealant that has pulled off the wall, across bathrooms & en suites, windows & doors and skirting & floors.

In a village or hamlet like Crampmoor, new homes are more likely to be a barn conversion or a handful of houses than a big estate. Each still needs its sealant and floor joints finished properly.

All our work comes with a 12-month guarantee, wherever you are in Hampshire.

Mr Mastic applicator sealing the vertical joint between a glass shower screen and tiled wall
Where
Crampmoor (SO51)
Region
Hampshire
Guarantee
One year on every job
Quote
A clear quote up front
Telephone
0345 464 0079
Updated
26 October 2026

Looking after it afterwards

Aftercare is simple:

  • Ventilate bathrooms well, especially in the first year
  • Raise failed sealant with the developer while you’re covered
  • Check bath and shower seals every few months as the house settles
  • Get a leaking seal dealt with right away

Avoid standing on the rim of the bath or the edge of the tray. If a bath or tray moves when you stand in it, get it looked at.

A failed seal in a new home lets water into joists, plasterboard and ceilings. Early resealing keeps the job small and protects the rest of the house.

Surface by surface

Bathrooms and en suites

Trays and baths in new builds settle as they’re used. We reseal once the old bead is fully out and baths are filled before sealing.

Kitchens

As a new house dries, worktops and walls shift a little, which opens gaps along the back. A fresh flexible bead closes them.

Common questions in Crampmoor

Do you cover smaller places like Crampmoor?

Yes. Crampmoor 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.

Do you work for landlords with property near Romsey station?

Yes. We work for landlords and letting agents as well as homeowners. You can call 0345 464 0079 or drop us an email with the details for a clear quote.

How much does new build mastic cost in Crampmoor?

The cost depends on the size of the job, access and how much old sealant has to come out. Ask us for a quote.

When is the sealant fully cured?

Different products cure at different speeds, so follow the cure time we give you when we finish.

What information do you need?

The location, the problem and the rough size of the job. Photos by email help too.

Do you do commercial work?

Yes. We work in offices, washrooms, hotels and other commercial premises, as well as homes. We can talk about working times when we quote.

Is the work guaranteed?

Yes. All our work carries our one-year guarantee.

Should I try DIY first?

That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.

Joints and finishes in Crampmoor homes

The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.

If you’ve bought a new home near Romsey station, the sealant around baths, showers and frames is worth checking in the first year or two.

Crampmoor is about 1 mile north-east of Romsey, in Hampshire. Across the SO51 area, our applicators can take on new build mastic. Across Hampshire, we cover 683 places, and Crampmoor is one of them. Southampton is on our list too, around 6 miles away.

Our applicators cover all of SO51 for new build mastic. You’ll find streets such as The Straight Mile and Crampmoor Lane. We also cover the places around Crampmoor: Gosport (1 mile east), Ampfield (1 mile east), Abbotswood (1 mile west), Braishfield (1 mile north) and Knapp (2 miles north-east). Further out, we also cover Winchester (7 miles north-east), Eastleigh (5 miles south-east), Fareham (15 miles south-east), Andover (14 miles north), Totton (6 miles south) and Chandler's Ford (3 miles south-east).

Landmarks near Crampmoor

Typical jobs here are in homes near The Mountbatten School and Hunters Inn Public House and the streets around them. The nearest railway station is Romsey station, about 1.8 miles south-west of the centre. Other landmarks nearby include Romsey Community Hospital (1.4 miles south-west) and King Johns House (2.2 miles south-west). Green spaces nearby include Emer Bog and Baddesley Common.

Map of Crampmoor © OpenStreetMap contributors

What we do, step by step

On the day, there’s very little for you to do. Show us the job and we’ll take it from there. The work itself takes a few hours in a single home, including the tidy-up. Somewhere like Crampmoor needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.

  1. First we work through your snagging list or plot schedule with you.
  2. The old bead comes out in full, with no layer left behind.
  3. We clean off dust from the build and prime the surfaces where the product needs it.
  4. We apply a sealant that suits each joint and tool it to a neat finish.
  5. Finally, each room is checked and you’re given the cure time.

Getting ready for the visit

  • Let us know about stairs, lifts or work at height
  • Mention if the joints have been sealed before
  • Where the joints are inside, avoid wetting them before we arrive

Get a quote

For a quote, call 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. We’ll give you a clear quote before any work starts.

Get a price

Related advice

Landlord and commercial work in Crampmoor

For anyone letting property in or around Crampmoor, jobs at different addresses can go on one quote. Send us the addresses and the work at each.

In hotels, rooms out of use cost money, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.

Signs you need new build mastic in Crampmoor

A new house holds a lot of water from the build, and it dries out over the first couple of years. Drying timber shrinks and pulls joints apart.

Signs it’s time to call us include:

  • Frame joints opening as the plaster dries
  • Gaps opening as the house dries out and settles
  • Sealant applied over dusty or wet surfaces
  • Worktop and upstand sealant coming away

In and around Crampmoor, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.

What your quote should include

  • Whether they’re fully insured
  • How long the guarantee is
  • How the joint is cleaned and prepared
  • Whether VAT is included

10 questions to ask before you book

Why act early in Crampmoor

A quick bead over the top of the old sealant can look fine at first, but it will not bond to the old layer. Taking it all out and starting again is the only way to get a lasting seal. In a small place like Crampmoor, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.

The cost reflects the work involved, not a rough estimate. That’s why we ask about the job first and send you a clear quote before any work starts.

Why book with us

  • You choose the colour before work begins
  • Any old sealant cut out fully, not covered over
  • 12-month guarantee on every job
  • Trusted Arbo and Everbuild sealants

Take a look at how sealant jobs are priced and what customers say.

What affects the cost of new build mastic

We do not publish a price list. The quote depends on:

  • The amount of work
  • The type of sealant required
  • When we can work, for business premises
  • Any mould that needs treating

The cost depends on how much there is to do, how hard the old material is to remove and how easy the joints are to reach. You will have a clear quote before any work starts, so you know where you stand.

Helping us quote

There’s no need for technical detail. It helps if you can tell us:

  • What’s wrong with the joints now
  • The rough size of the job
  • Where the job is, and your postcode
  • Whether it’s a home or a business

We quote each job on its own, 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.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job