West Sussex · England

Sand mastic for sash & case windows in Goose Green, West Sussex

Specialist sand mastic for Goose Green: careful preparation, the right product and tidy work. Call for a quick quote.

  • Mastic that needs renewing before redecorating
  • Mastic dropping out of the joint
  • Draughty sash windows at the surround

Need sand mastic in Goose Green?

Sand mastic in Goose Green

Burnt sand mastic is a traditional material blends with stone and brick surrounds. It’s a good fit for period properties, where modern sealant can look out of place. Common call-outs are for mastic worn away on windows facing the weather and wind and rain getting in round a sash window, across timber door frames, brick reveals and stone surrounds.

Somewhere as small as Goose Green, older homes often have timber frames set in stone or brickwork. Not every older frame suits a modern silicone bead, and sometimes a traditional sand mastic is the better choice.

Our work is backed for twelve months, in Goose Green and everywhere else we cover.

Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter
Location
Goose Green (RH20)
Wider area
West Sussex
Cover
One year on every job
Quotes
A clear price before work begins
Call
0345 464 0079
Last updated
26 October 2026

How the visit works

Most of a good job is in the preparation, so that’s where we spend the time. Every joint is cleaned and dried before new material goes in. In total, it normally takes a few hours for a single window, longer for several. Somewhere like Goose Green needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.

  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.

Preparing for the visit

  • Tell us about any water getting in
  • Move anything stored near the joints
  • Mention any sign-in or site rules at work premises

Ask for a quote

We quote each job on its own, so start by telling us what you need. Simply phone 0345 464 0079 or email us and describe the job, and photos are welcome.

Get a quick quote

Read more

FAQs for Goose Green

Is Goose Green within the area you cover?

Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.

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

Yes, rental work is part of what we do. You can call 0345 464 0079 or send us an email with the address and a few details, and we’ll give you a fixed price before any work starts.

Do you take out the old sealant first?

Yes. We cut out all the old sealant and clean the joint before applying anything new.

What should I tell you?

The location, the problem and the rough size of the job. If you can, email a few pictures.

Can I do it myself?

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

Can you seal over the old sealant?

No. Fresh sealant does not stick to old sealant, and it traps any mould or water underneath. It all has to come out first.

Do I need permission for sand mastic on a listed building?

Your local planning authority is the one to ask. They’ll tell you if consent is needed.

Can old silicone round a sash window be swapped for sand mastic?

Generally, yes. Once the silicone is out and the joint prepared, sand mastic is applied by hand.

How to look after the new joints

Looking after new joints is easy, and it makes a real difference:

  • Check the mastic when you check the paintwork
  • Ask a joiner to look at soft timber first
  • Ask us before painting near the mastic
  • Go gently near the mastic when preparing windows

Keep gutters and sills clear so water runs away from the surround. Constant wetting wears the mastic faster.

Fine cracks show the mastic is starting to fail. Renewing it then is simpler than waiting until it falls out.

Different surfaces, different methods

Brick reveals

Sand mastic is also used where timber frames meet brick. It suits older brickwork.

Timber door frames

A neat sand mastic joint round a front door suits a period home.

When to call us in Goose Green

Shallow joints are a common cause. Mastic that’s too thin cracks and drops out, which is why we pack deep voids first and get the depth right.

Look out for these signs:

  • Silicone on a period window that looks wrong
  • Draughty sash windows at the surround
  • Old sand mastic that has cracked, crumbled or fallen out
  • Window mastic to renew ahead of painting

Letting a property close to Billingshurst station? Then older sash windows in a rental need their mastic kept sound to keep the weather out.

What to look for in a quote

  • Which sealant they’ll use, and why
  • How the colour is chosen
  • Whether all the old sealant comes out first
  • What the quote includes, VAT included or not

Choosing a sealant specialist

Windows and doors in Goose Green

Historic houses like Parham House (about 4.5 miles south-west) are a reminder that the area around Goose Green has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic. Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.

Managing a site like Rydon Community College? Then its window and door frames need their mastic kept sound, just like a home’s. In the older streets around The Parish Church of St Mary, frames set in older brick or stone need a sealant that suits the wall as well as the frame.

Goose Green is about 9 miles south-west of Horsham, in West Sussex. If you need sand mastic in Goose Green, please phone 0345 464 0079 or send us an email for a quick quote. We’re based in Crawley and cover West Sussex, Goose Green included. Across West Sussex, we cover 371 places, and Goose Green is one of them. Our Crawley page covers work nearby, about 14 miles away.

Work in RH20 is quoted and booked the same way as anywhere else. We cover properties on Goosegreen Lane and Cray's Lane and the roads around them. Close by, we work in Thakeham (1 mile south-west), Warminghurst (1 mile south), Abingworth (1 mile south-west), West Chiltington (2 miles west) and Heath Common (2 miles south). Larger places within reach include Crawley (14 miles north-east), Horsham (9 miles north-east), Worthing (9 miles south), Haywards Heath (14 miles east), Burgess Hill (12 miles east) and Littlehampton (11 miles south-west).

What’s near Goose Green

The closest station to Goose Green is Billingshurst station, about 4.6 miles north-west of the centre. A little further out are The Storrington And District Museum (3.1 miles south-west). The countryside around Goose Green includes Chanctonbury Hill and Knepp Wildland.

Map of Goose Green © OpenStreetMap contributors

Leave it or put it right?

Not every draught comes from the sashes themselves. Gaps between the frame and the wall can be just as bad and new mastic seals them. Where a wall is exposed, as many are in small places like Goose Green, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.

What it costs depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. You’ll have a clear quote before any work starts, so you know where you stand.

Why choose Mr Mastic in Goose Green

  • Tidy, careful work
  • Every job guaranteed for a year
  • Fully insured
  • 20+ years of sealant experience

Read our cost guide or customer reviews.

Can I do it myself?

Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.

Too much sealant is as bad as too little. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.

What affects the quote in Goose Green

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

  • Access and height
  • The old material and how stubborn it is
  • When we can work, for business premises
  • The number of rooms or windows

What you pay reflects the work, not guesswork. That’s why we ask about the job first and give you a clear price before we start.

Asking for a quote

Photos by email are helpful but not essential. Please mention:

  • The problem you’ve noticed
  • A few photos by email, if you can
  • How many joints, rooms or windows are involved
  • Any previous sealing or DIY work

For sand mastic in Goose Green, call 0345 464 0079 or send us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.

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