Brighton and Hove · England
Sand Mastic in Brighton
We cover Brighton for traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old sealant removed completely, joints prepared properly.
- A silicone bead on a sash window that spoils the look
- Tired mastic found when preparing windows for paint
- Mastic round period door frames that has failed
About our sand mastic in Brighton
We renew sand mastic around sash windows and doors in stone and brick. The old mastic is raked out, and new mastic is applied and shaped by hand. We work on tenement windows, sash and case windows and timber door frames, and the jobs we see most are weathered mastic on the most exposed windows and mastic that needs renewing before redecorating.
In Brighton, windows range from older timber frames to modern uPVC and aluminium. The mastic around all of them ages, and it’s usually the first thing to let the weather in.
A one-year guarantee comes as standard.
- Location
- Brighton (BN1, BN2, BN3)
- Wider area
- Brighton and Hove
- Guarantee
- One year on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
What sand mastic looks like in Brighton
Brighton is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on the mastic around older windows and doors, which can dry out and crack sooner where a building faces the weather. Historic houses like Royal Pavilion (about 0.8 miles south-west) are a reminder that the area around Brighton has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
Rented homes near London Road (Brighton) station change hands often, and any sash windows need sound mastic to keep draughts and rain out. In the older streets around St Martin's Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame. If you look after a building such as Fairlight Primary School, the mastic around its windows and doors needs looking after like any other building’s.
Brighton is in Brighton and Hove. For sand mastic in and around Brighton, it’s easy to get a quote: please ring 0345 464 0079 or send us an email. We are based in Crawley and cover Brighton and Hove, Brighton included. 30 places in Brighton and Hove are on our list.
We cover every part of BN1, BN2 and BN3 for sand mastic and the streets around it. Whether your property is on London Road, Isetta Square and Pelham Square or anywhere close by, our applicators can take on the job. Brighton is on the A23 and A259, so it’s easy for us to get to with everything needed for sand mastic. If you’re just outside Brighton, we cover Hanover (1 mile south), Carlton Hill (1 mile south), West Hill (1 mile west), Hollingdean (1 mile north) and Seven Dials (1 mile west). Further out, we also cover Brighton and Hove (3 miles west), Aldrington (3 miles west), Hangleton (3 miles west), Saltdean (4 miles south-east), East Saltdean (5 miles south-east) and Rottingdean (3 miles south-east). As one of the bigger places in Brighton and Hove, Brighton has homes, rented property and businesses of every kind.
Around Brighton
In Brighton, that means homes and buildings near Brighton Hove and Sussex Sixth Form College, William Clarke Park and Park Crescent pub, among other places. Brighton has its own railway station: London Road (Brighton) station. A little further out are Brighton General Hospital (0.7 miles east) and Old Police Cells Museum (1 mile south-west). For a walk, there’s Newmarket Hill and Whitehawk Hill.
Common questions in Brighton
Is sand mastic in a coastal place like Brighton any different?
Coastal homes put outside sealant through more weather than inland ones, so preparation and the right sealant matter all the more. It’s worth checking the walls that face the sea first.
Do you work for landlords with property near London Road (Brighton) station?
Yes. We work for landlords and letting agents as well as homeowners. You can phone 0345 464 0079 or email us with the details for a clear quote.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned.
How long will you be here?
Most jobs take anything from a few hours to a full day, depending on how many windows, including the preparation. We will confirm how long when we quote.
Are you insured?
Yes. We’re fully insured.
Where do you work from?
Our base is in Crawley, and we cover South East England, London and all of Scotland.
Do you come to Brighton?
Yes. We work in Brighton. For a quote, ring 0345 464 0079 or drop us an email.
Can you do several jobs on one visit?
Yes. Tell us about everything you’d like done and we’ll quote it together.
Can I do it myself?
If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.
Why it’s worth doing now in Brighton
Not every draught comes from the sashes themselves. Gaps between the frame and the wall can be just as bad, and renewing the mastic closes them. In a busy place like Brighton, a failed joint in a flat or office can send water into the space below, where it can go unnoticed until the damage is done.
What it costs depends on the amount of work, 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 Brighton
- Sanitary silicone with an anti-fungal additive in wet areas
- Over 20 years’ experience
- Old sealant always removed completely
- Approved under the ARBOMaster scheme
Take a look at what affects the cost or customer reviews.
Landlord and commercial work in Brighton
Housing providers, facilities teams and property managers book us too. We can quote a run of properties together.
In hotels, rooms out of use cost money, so we plan the work room by room. Hotel work is part of what we do, alongside homes and businesses.
When it isn’t the sealant
To be straight with you, some problems need a different trade:
- Masonry that needs repairing
- Sashes that need overhauling
- Decayed frames that need repair
Not sure which it is? You can call 0345 464 0079 or drop us an email and we will tell you honestly before booking.
Joints and surfaces we work on
- Timber door frames
- Tenement windows
- Period & listed homes
- Stone surrounds
- Brick reveals
- Sash and case windows
How it works
A visit follows a simple pattern: we look at the joints together, protect the area around them, carry out the job and clear up. Most jobs take a few hours per window, depending on the condition of the joints. In central Brighton, parking can be tight, so tell us about driveways, permits or nearby car parks. Let us know about stairs, lifts or shared entrances too.
- First we agree which joints need doing.
- Old mastic and any loose material are raked out.
- We pack any deep voids first.
- The sand mastic is mixed and pressed into the joint by hand.
- The surface is finished to suit the stone or brick.
Preparing for the visit
- Mention any leaks or damp you’ve noticed
- Tell us about access, such as stairs, a lift or high-level joints
- Keep pets and children clear of the area while we work
Getting a quote
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints.
Advice
Quotes for sand mastic in Brighton
You will get a clear quote before any work starts. It takes into account:
- How many areas need sealing
- How much old sealant there is and how hard it is to remove
- Whether the work is at height
- The product the joint needs
No two jobs are quite the same, 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, and we’ll explain the quote if you ask.
Asking for a quote
Photos by email are helpful but not essential. Please mention:
- Pictures of the joints, sent by email
- Where the job is, and your postcode
- Whether it’s a home or a business
- How many joints, rooms or windows are involved
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is. When it suits you, phone 0345 464 0079 or email us.
Places near Brighton
Also in Brighton
Aftercare tips
How long the joints last depends on use and care. Here’s what we suggest:
- Make sure water runs off the sill
- Ask the planning authority about consent for listed or conservation-area homes
- Ask a joiner to look at soft timber first
- Plan mastic work ahead of painting
Don’t touch or press the mastic while it hardens. It skins over quickly, but takes longer to harden fully.
Fine cracks show the mastic is starting to fail. It’s easier to renew it before it drops out.