Surrey · England

Ash Green New Build Mastic

New build mastic in Ash Green from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.

  • Sealant work across a run of new homes
  • New-build shower sealant that has already split
  • Gaps opening as the house dries out and settles

New build mastic near Ash Green

How we handle new build mastic in Ash Green

Across Ash Green, we work for both new-home owners and the builders handing those homes over. One shower or a whole phase of plots, the method doesn’t change: cut out, clean, prime where needed and reseal neatly. If you’re dealing with leaking shower tray seals in a new home and internal frame sealant that has split, we can help, whatever the surface.

Work in a small place like Ash Green just needs the journey and access planning, and the work itself is the same as on any site.

There’s a 12-month guarantee on every job, whatever its size.

Sealant gun close-up on a shower enclosure wall joint
Location
Ash Green (GU12)
Region
Surrey
Cover
A year, on every job
Price
A clear quote up front
Telephone
0345 464 0079
Last updated
26 October 2026

When it isn’t the sealant

We’ll always be straight with you, so here’s what new sealant won’t do:

  • Damaged fittings that need replacing
  • A tray or bath that isn’t properly supported, until it’s fixed
  • Plumbing faults behind the sealant

If in doubt, phone 0345 464 0079 or drop us an email and we’ll say what we think before you book.

What we seal

  • Windows & doors
  • Bathrooms & en suites
  • Plot handovers
  • Show homes
  • Skirting & floors
  • Kitchens

Should I try it myself first?

A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.

What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions, then guaranteed for a year.

The process

Every visit runs the same way: we check the joints, protect the area around them, carry out the job and tidy away. It usually takes anything from a few hours to several days, depending on the number of plots. In a small place like Ash Green, access is usually the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.

  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. New sealant suited to each joint is applied and tooled neatly.
  5. Finally, each room is checked and you’re given the cure time.

Before we arrive

  • For indoor joints, keep the area dry beforehand if you can
  • Let us know about stairs, lifts or work at height
  • Mention if the joints have been sealed before

How to get a quote

Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is. Whenever you’re ready, phone 0345 464 0079 or email us.

Ask for a quote

Read more

Aftercare tips

After the cure time, these simple habits help:

  • Look at the sealant regularly in the first couple of years
  • Open a window or run the fan after bathing
  • Avoid running a DIY bead over the old one
  • Wait for the cure time before using a resealed shower

Watch the joints as the house settles. Small gaps can appear as the house dries and can be resealed later.

Report failed sealant to the builder while you are in the snagging period. Once it ends, the repair may be down to you.

What new build mastic looks like in Ash Green

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 Ash station, the sealant around baths, showers and frames is worth checking in the first year or two.

Ash Green is about 2 miles east of Aldershot, in Surrey. Every kind of property in Ash Green is covered for new build mastic, old or new, large or small. Every job comes with our one-year guarantee. Our Surrey coverage runs to 395 places, and Ash Green is one of them. There’s also a page for Reading, roughly 18 miles from Ash Green.

Postcode districts we cover here for new build mastic: GU12. New build mastic is available to properties on Compass Rose Road, Drovers Way and Ash Green Lane East and the roads around them. Neighbouring places we cover for new build mastic include Ash (1 mile west), Tongham (1 mile south-west), Seale (1 mile south), Ash Vale (2 miles north-west) and Sandy Cross (2 miles south-west). Within a short drive, we also cover Guildford (6 miles east), Woking (8 miles north-east), Camberley (6 miles north), Farnham (4 miles south-west), Egham (15 miles north-east) and Frimley (5 miles north).

Landmarks near Ash Green

Around Ash Green, our work takes us to homes and buildings near The Dover Arms, The Connaught School and Ash Manor School, among other places. The nearest railway station is Ash station, about 0.6 miles north-west. Well-known places in the area include Farnham Castle (4.4 miles west) and Guildford Hospital (4.2 miles east). Green spaces nearby include Ash Ranges and Hog's Back.

Map of Ash Green © OpenStreetMap contributors

Do you need new build mastic in Ash Green?

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.

Common reasons people contact us are:

  • Cracks appearing as a new home settles
  • Plot mastic for developers ahead of handover
  • Sealant applied over dusty or wet surfaces
  • Messy sealant that spoils new finishes

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

Before booking anyone

  • How the colour is chosen
  • Is the old sealant removed completely?
  • Whether they’re fully insured
  • What happens if the job turns out different

Choosing a sealant specialist

How the job changes by surface

Show homes

Show homes need sealant that looks right from day one. Every bead is neat and coloured to suit the room.

Plot handovers

Developers can send the plot schedule and specification and we will quote. Sealant work across the plot is covered.

What affects the quote in Ash Green

Jobs vary more than people expect. The main factors:

  • Mould in or behind the old joints
  • How many areas need sealing
  • Whether the work is at height
  • The product the joint needs

The cost reflects the work involved, not guesswork. That is why we ask a few questions first and agree the price before starting.

Asking for a quote

Before you ask for a quote, have a think about:

  • Whether it’s a home or a business
  • If someone has resealed it before
  • A few pictures by email, if you can
  • The address or postcode of the job

A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and add photos by email if you can.

Questions from Ash Green

Is Ash Green within the area you cover?

Yes, we do. We work across London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.

Do you work for landlords with property near Ash station?

Yes. We work for landlords and letting agents as well as homeowners, and several properties can go on one quote. You can phone 0345 464 0079 or drop us an email with the details for a clear quote.

Do you take on second-fix sealing for builders?

Yes. We seal plots to the developer’s programme ready for handover. Tell us the plots and the joints involved for a clear quote.

Can you do several jobs on one visit?

Yes, we can. Several rooms, windows or areas can go on one quote.

Is there any odour?

Possibly a little. It fades as the sealant cures.

Will it make a mess?

No. The area is protected while we work and cleaned up afterwards.

Is it worth trying it myself?

That depends on the joint. High-level, external movement and fire-rated joints are professional jobs.

Are you fully insured?

Yes. Mr Mastic is fully insured.

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