West Sussex · England

West Preston Sand Mastic

Traditional burnt sand mastic around sash and case windows and doors in stone and brick in West Preston, with a 12-month guarantee on every job. Ask us for a quote.

  • Crumbling sand mastic round a window
  • Draughts and rain around sash boxes
  • Cement or filler used on old window joints that has cracked

Sand mastic near West Preston

Sand mastic in West Preston, done properly

A silicone bead around a sash window can look out of place and doesn’t suit the building. Sand mastic is the traditional choice and we can swap the silicone for it. We’re often asked to deal with modern sealant on a period surround and tired mastic found when preparing windows for paint, on timber door frames, period & listed homes and brick reveals.

Many houses in smaller places like West Preston have conservatories, garden rooms or patio doors. Those joints need the same attention as the main windows, and any older timber or sash windows need a sealant that suits them.

There’s a 12-month guarantee on every job, large or small.

Mr Mastic applicator sealing the top of a white uPVC door frame on a red-brick house
Location
West Preston (BN16)
Region
West Sussex
Cover
12 months on all our work
Quotes
A clear price before any work starts
Phone
0345 464 0079
Last updated
26 October 2026

Common problems we fix in West Preston

Age is the main cause. Even well-laid mastic needs renewing in time, depending on exposure and upkeep.

If you can see any of these, it’s time to have the joints looked at:

  • Failed mastic on an exposed elevation
  • Patchy fillers round a sash window
  • Draughty sash windows at the surround
  • Silicone on a period window that looks wrong

If you live in an older home near The Parish Church of St Mary, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.

Questions to ask before you book

  • Is the old sealant removed completely?
  • How the surfaces are prepared before sealing
  • How long the guarantee is
  • Whether VAT is included

Choosing a sealant specialist

What affects the cost of sand mastic

We quote each job individually. These are the things that affect it:

  • When we can work, for business premises
  • Whether old sealant or filler has to be cut out
  • The size of the job
  • How easy the joints are to reach

Every job is a little different, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all make a difference.

What we need to know

The more you tell us, the more accurate the quote. When you ask for a quote, tell us:

  • The type of property
  • Pictures of the joints, sent by email
  • What the problem is, such as mould, gaps, leaks or cracking
  • How many joints, rooms or windows are involved

For sand mastic in West Preston, call 0345 464 0079 or email us. Tell us what the problem is and where, and you’ll get a clear quote before we start.

Common questions in West Preston

Can you help a landlord with a rental near Angmering station?

Yes, we work for landlords and letting agents. Just ring 0345 464 0079 or drop us an email and tell us about the property, and we will give you a clear quote.

Is sand mastic in a coastal place like West Preston any different?

Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. It’s worth checking the walls that face the sea first.

Where is Mr Mastic based?

Our base is Crawley. Our area covers South East England, London and Scotland.

Is sand mastic better than silicone for my windows?

Sand mastic usually suits period timber windows best. On modern frames, we’d normally use a flexible sealant.

Will the old sealant be removed?

Always. Sealing over the old bead is the commonest cause of early failure, and it’s something we never do.

When will the new mastic be hard?

It skins over fairly quickly but takes longer to harden fully. We will tell you what to expect for your job.

Do you come to West Preston?

We do. Our applicators work in West Preston.

Are you insured?

Yes, we’re fully insured for domestic and commercial work.

How it works

When we arrive, we look over the joints with you first, so there are no surprises. Surfaces next to the work are protected before work begins. The work generally takes anything from a few hours to a full day, depending on how many windows. For a job in West Preston, we agree the time, the access and parking before the day. If the work is outside, the weather plays a part, as sealant needs a dry surface.

  1. First we agree which joints need doing.
  2. We remove the old, loose mastic.
  3. Deep gaps are packed so the mastic sits at the right depth.
  4. The sand mastic is mixed and pressed into the joint by hand.
  5. We dress the finish so it sits neatly against the masonry.

Getting ready for the visit

  • Let us know about earlier repairs to the joints
  • Where the joints are inside, avoid wetting them before we arrive
  • Let us know about parking restrictions

Get a quote

Asking for a quote is easy: let us know the job and the location and its rough size. A few pictures by email make the job easier to understand, and we will come back to you with a quote.

Get a quick quote

Advice

DIY sealant or a professional job?

What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.

Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.

Why deal with it now?

Cement-based fillers and modern sealants don’t always suit a period surround. Sand mastic is the like-for-like choice, which can matter on listed and conservation-area homes. Around West Preston, water from a failed joint in an older home can soak into timber and plaster, and that’s a much bigger job than renewing the sealant.

Homes and businesses are quoted the same way: the amount of work, how we reach it and what it needs, plus any working-time requirements on site. Ask us for a quote and we will explain what it covers.

Why book with us

  • Neat joints and a tidy finish
  • Old sealant always removed completely
  • Fully insured
  • Arbo and Everbuild products

Take a look at what affects the cost or what customers say.

Surface by surface

Tenement and terrace windows

Windows above ground floor need the right access. Tell us the height and we will confirm what’s needed.

Stone surrounds

We take care not to mark the stone while raking out the old mastic.

Honest limits

New sealant cannot fix everything, and we will tell you before we start. It will not solve:

  • Putty and glazing repairs
  • Rotten sashes, sills or window boxes (a joiner’s job)
  • Sash cords, weights and draught-proofing of the sashes

If in doubt, call 0345 464 0079 or drop us an email and we will say what we think.

What we seal

  • Brick reveals
  • Period & listed homes
  • Stone surrounds
  • Tenement windows
  • Sash and case windows
  • Timber door frames

Sand mastic in West Preston: local notes

West Preston is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That’s hard on the mastic around older windows and doors, especially on the side facing the sea. Historic houses like Ecclesden Manor (about 1.6 miles north-east) are a reminder that the area around West Preston has older buildings as well as new. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.

Managing a site like Georgian Gardens Community Primary School? Then the mastic around its windows and doors needs looking after like any other building’s. Rented homes near Angmering station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out.

West Preston is about 4 miles west of Worthing, in West Sussex. From the centre of West Preston to the outskirts, sand mastic is available for homes and businesses alike, from flats and houses to offices and hotels. West Preston is one of 371 towns and villages in West Sussex we cover. Brighton is on our list too, around 16 miles away.

Work in BN16 works the same way as everywhere else we cover. Streets in the area include Ash Lane, Mill Lane and Sea Avenue, all of which we cover. Close by, we work in East Preston (1 mile east), Angmering-on-Sea (1 mile south-east), Angmering (1 mile north-east), West Kingston (1 mile east) and Kingston Gorse (2 miles east). Larger places within reach include Worthing (4 miles east), Bognor Regis (8 miles west), Chichester (13 miles west), Selsey (14 miles south-west), Shoreham-by-Sea (10 miles east) and Lancing (8 miles east).

Local landmarks in West Preston

Around West Preston, our work takes us to homes and buildings near The Angmering School and Mewsbrook Park and the streets around them. West Preston’s nearest station is Angmering station, roughly 0.5 miles north-east. Nearby you’ll also find Lyminster Siege Castle (3.3 miles north-west) and Zachary Merton Hospital (under half a mile south-west). The countryside around West Preston includes Highdown Hill and WWT Arundel.

Map of West Preston © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job