South East England and London

Sand Mastic in West Sussex

Wherever you are in West Sussex, our applicators can help with sand mastic. Clear quotes up front, and a one-year guarantee.

Call 0345 464 0079

Get a quick quote

Sand mastic across West Sussex

Traditional burnt sand mastic around sash and case windows and doors in stone and brick. Pick your town below to see the details for your area, and get in touch for a quick quote.

Main towns

About sand mastic in West Sussex

If your home is listed or in a conservation area, check with your local planning authority if consent is needed before window work. Like-for-like sand mastic is often the preferred finish. Common call-outs are for mastic that needs renewing before redecorating and old sand mastic that has cracked, crumbled or fallen out, on brick reveals, stone surrounds and period & listed homes.

We keep the work tidy and contained to the area we are working on, so you can get on with your day. The job usually takes anything from a few hours to a full day, depending on how many windows, and we explain the cure time before we leave.

First we agree which joints need doing.
We remove the old, loose mastic.
We pack any deep voids first.
The sand mastic is mixed and pressed into the joint by hand.
We dress the finish so it sits neatly against the masonry.

What you will pay

Some things make a job bigger or smaller: the old material and how easily it comes out, any mould to treat, and whether the work is at height. Your quote takes all of that into account.

Why book with us

Neat joints and a tidy finish
Anti-fungal silicone where joints get wet
Quality sealants from Arbo and Everbuild
Fully insured

Ask for a quote

It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we will talk you through what we’d do. When it suits you, ring 0345 464 0079 or send us an email.

What’s near Crawley

Around Crawley, our work takes us to homes and buildings near Friary Church of St Francis and St Anthony, St Wilfrid's Catholic School and Tilgate Park and the streets around them. Other local landmarks include The George Hotel (within half a mile north), Three Bridges Junior School (less than half a mile south-east) and St Francis of Assisi Catholic Primary School (within half a mile south-east). Crawley has its own railway station: Crawley station. Other landmarks nearby include Crawley Hospital (0.5 miles north-west) and County Mall (under half a mile north-east). Green spaces nearby include Tilgate Lake.

Frames and weather across West Sussex

In West Sussex, sand mastic work takes in houses, flats, conservatories and commercial glazing, from Crawley, Horsham and Worthing to the quieter places in between. Outside sealant needs a dry, clean joint, so the work is planned around the weather.

Hard water across most of the South East leaves limescale on sealant, grout and fittings. Whatever the job in West Sussex, surfaces are cleaned back properly before new sealant goes in. Along the coast in West Sussex, holiday lets and guest houses can have bathrooms in near-constant use, so their sealant and grout wear faster than most, and the weather is hard on the outside too.

Crawley: Rented homes near Crawley station change hands often, and cracked sand mastic around sash windows lets in the draughts tenants complain about. If you live in an older home near Friary Church of St Francis and St Anthony, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.

Leave it or put it right?

A silicone bead can be quicker, but on period stone or brick it often looks out of place. Sand mastic suits the building and finishes neatly against the masonry.

Comparing quotes

Is the old sealant removed completely?
When the joint can take water or movement
Is VAT in the price?
How the colour is chosen

How the job changes by surface

Sash and case windows

Sash windows are where we do most sand mastic work. Each joint round the box is raked out and renewed.

Timber door frames

Round a period front door, sand mastic gives the right look.

Work for landlords, hotels and businesses

We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.

Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. Several properties can be quoted together.

Keeping the joints in good condition

So the new joints stay in good condition:

Make sure water runs off the sill
Avoid patching sand mastic with silicone
Plan mastic work ahead of painting
Ask a joiner to look at soft timber first

Look at the mastic when you look over the windows. Small cracks are easier to deal with early.

Gaps round a sash box let in draughts and rain. Left, the gap tends to get bigger.

What affects the quote in West Sussex

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

The old material and how stubborn it is
How many areas need sealing
Whether the work is at height
Mould in or behind the old joints

There are no prices on our website, because the cost depends so much on the job itself. For a quick quote, please call 0345 464 0079 or email us and we will talk you through it.

Helping us quote

You don’t need to know the technical terms. Just tell us:

What’s wrong with the joints now
A few photos by email, if you can
If someone has resealed it before
The address or postcode of the job

We don’t publish a price list, because every job is different. Instead, we give you a clear quote for your job. To get started, phone 0345 464 0079 or email us.

FAQs for West Sussex

Is it possible to paint over sand mastic?

It’s traditionally left unpainted, as guidance on traditional windows advises. Talk to us before any painting near it.

Which is right for my windows, sand mastic or modern sealant?

Sand mastic generally suits period timber windows best. Modern frames normally suit a flexible sealant.

What guarantee comes with the work?

There’s a 12-month guarantee on every job.

How much does sand mastic cost in West Sussex?

We do not publish prices, because the cost depends on the job: its size, the old material, access and the product needed. You’ll get a clear quote before any work starts.

What’s sand mastic made of?

Sand plus a binder based on linseed oil. It’s applied by hand and shaped to suit the surround.

Is there any odour?

Some sealants have a smell while they cure, but it fades. Ventilation helps.

Can I do it myself?

You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.