West Sussex · England
Marehill Sand Mastic
Sand mastic in Marehill from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Cement or filler used on old window joints that has cracked
- Modern sealant on a period surround
- Draughty sash windows at the surround
Sand mastic in Marehill, done properly
Burnt sand mastic is a traditional material blends with stone and brick surrounds. It suits period and listed homes where a modern sealant bead would stand out. If you’re dealing with mastic that needs renewing before redecorating and old sand mastic that has cracked, crumbled or fallen out, we can put it right, on tenement windows, sash and case windows and brick reveals alike.
Homes in small places like Marehill often stand in the open, with little to shelter their windows from wind and rain. Exposed frames and sills lose their mastic sooner than sheltered ones.
All of our work is guaranteed for twelve months.
- Where
- Marehill (RH20)
- Region
- West Sussex
- Cover
- A year, on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
DIY versus a professional finish
If you are set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
Common problems we fix in Marehill
Rain on the window surround works into any crack and pushes it out. Exposed elevations normally fail first.
It’s worth asking for a quote if you see:
- Draughty sash windows at the surround
- Open joints round the window box
- Old sand mastic that has cracked, crumbled or fallen out
- Silicone on a period window that looks wrong
For site and facilities teams at buildings such as St Mary's Church of England Primary School, larger buildings have plenty of frames, and the mastic around each one ages.
What your quote should include
- Who turns up on the day
- How the joint is cleaned and prepared
- What the cure time is
- What product goes in the joint
Quotes for sand mastic in Marehill
The quote reflects the job in front of us. We look at:
- Whether the work is at height
- Working hours on commercial sites
- Whether there’s mould to deal with
- The size of the job
Combining jobs into one visit usually makes better use of the time than several visits. You’ll get one clear quote for the whole job.
Asking for a quote
To help us quote quickly, let us know:
- A few photos by email, if you can
- Any access issues, like height or stairs
- Whether it has been sealed before
- What’s wrong with the joints now
Need a quote? Please call 0345 464 0079 or send us an email and tell us about the job. You will know what we plan to do, and what it will cost, before any work begins.
Why act early in Marehill
Not every draught comes from the sashes themselves. Open mastic joints round the box can let air in and new mastic seals them. Older cottages and farmhouses around Marehill can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
The cost depends on the amount of work, how much old material has to come out 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 book with us
- 180+ five-star Google reviews
- Fully insured
- ARBOMaster approved applicator
- Domestic, commercial and hotel work
Read our cost guide or customer reviews.
What sealant work cannot fix
In fairness, some problems need a different trade:
- Decayed frames that need repair
- Damaged stone surrounds
- Decisions on consent for listed homes
If you are not sure, just ring 0345 464 0079 or drop us an email and we will give you a straight answer before you book.
What we seal
- Period & listed homes
- Stone surrounds
- Sash and case windows
- Timber door frames
- Tenement windows
- Brick reveals
How the visit works
We bring everything the job needs with us. After a quick look at the joints together, the area is protected and the work begins. It normally takes anything from a few hours to a full day, depending on how many windows. Somewhere as small as Marehill, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- Each surround is checked first.
- The joint is raked out and cleaned.
- Large voids are packed out.
- New sand mastic is applied and shaped by hand.
- The finish is dressed neatly.
Before we arrive
- Plan for the work area to be out of bounds to pets and children
- Mention any parking rules near the property
- Try not to wet indoor joints just before the visit
Getting a quote
There’s no standard price list, because every job is different. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or email us.
Related advice
For landlords and businesses
We work for letting agents and landlords as well as householders. Sealant work between tenants is a simple way to keep a property in good order.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll give you a quote.
FAQs for Marehill
Will you come out to Marehill?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Is Marehill in your area for sand mastic?
Yes. We work across London and the South East, and Marehill is part of that. You can ring 0345 464 0079 or email us and tell us what needs doing, and we’ll give you a clear price.
Do I have to be there?
We need access to the joints, so we’ll agree that with you when we book. Indoors, that usually means someone at home.
Do you hold any approvals?
Yes. Mr Mastic is an ARBOMaster approved applicator and we are fully insured too.
Which products do you use?
Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We will tell you what we are using and why.
Where are you based?
Our base is Crawley. We work across South East England, London and Scotland.
Do you work for hotels and businesses?
Yes, regularly. Larger jobs can be planned room by room or area by area to suit the site.
Can you quote for more than one area?
Yes, and it often makes sense. Doing several areas at once is usually more efficient.
Towns and villages near Marehill
Also in Marehill
Sand mastic in Marehill: local notes
Historic houses like Old Place Manor (about 1.4 miles west) are a reminder that the area around Marehill has older buildings as well as new. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window. London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
If you live in an older home near Wiggonholt Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. Rented homes near Pulborough station change hands often, and any sash windows need sound mastic to keep draughts and rain out.
Marehill is about 10 miles north of Worthing, in West Sussex. Wherever you are in the RH20 postcode area, our applicators can take on sand mastic. Across West Sussex, we cover 371 places, and Marehill is one of them. Crawley is on our list too, around 17 miles away.
Every address in RH20 is covered for sand mastic. Local streets include West Chiltington Road, Tudor Close and Kings Lane, all of which we cover. If you are just outside Marehill, we cover Nutbourne (1 mile north-east), Broomershill (1 mile north-west), Wiggonholt (1 mile south), West Chiltington Common (1 mile south-east) and West Chiltington (1 mile east). Within a short drive, we also cover Horsham (10 miles north-east), Worthing (10 miles south), Bognor Regis (14 miles south-west), Chichester (15 miles south-west), Burgess Hill (15 miles east) and Littlehampton (10 miles south).
Near you in Marehill
We work in homes and buildings around The Rising Sun Inn. The nearest railway station is Pulborough station, roughly 1.6 miles west of the centre. Other landmarks nearby include Amberley Castle (4 miles south-west) and The Storrington And District Museum (2.9 miles south-east). For a walk, there’s Amberley Wildbrooks RSPB Reserve.