Kent · England
Sand mastic for sash & case windows in Upton, Kent
Professional sand mastic in and around Upton, with old sealant always removed completely and a one-year guarantee.
- Mastic round period door frames that has failed
- Wind and rain getting in round a sash window
- Gaps between timber frames and stone or brick
How the job changes by surface
Brick reveals
Loose mastic comes out and deep gaps are packed before the new mastic goes in.
Timber door frames
Doors face weather and wear and the mastic can crack early. It’s renewed by hand.
About our sand mastic in Upton
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. If you have patchy fillers round a sash window and gaps between timber frames and stone or brick, we can put it right, whatever the surface.
In a smaller place like Upton, some walls face open ground and catch the full force of the weather. The mastic around frames on those walls tends to age faster.
You’re covered for a year from the day we finish. If there’s a problem with it, please phone 0345 464 0079 or send us an email.
- Place
- Upton (CT10, CT11, CT12)
- Wider area
- Kent
- Guarantee
- A year, on every job
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
When it is not the sealant
Sealant is not the answer to every problem, and we’ll tell you before we start. It won’t solve:
- Damaged stone surrounds
- Decayed frames that need repair
- Sashes that rattle, stick or won’t open
Not sure which it is? You can phone 0345 464 0079 or drop us an email and we will tell you honestly.
Where we work in Upton
- Timber door frames
- Period & listed homes
- Sash and case windows
- Tenement windows
- Brick reveals
- Stone surrounds
Windows and doors in Upton
Upton is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That is hard on the mastic around older windows and doors, especially on the side facing the sea. With historic houses such as Quex Park (about 4.5 miles west) nearby, there’s older building stock in the area around Upton as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
If you look after a building such as Upton Junior School, larger buildings have plenty of frames, and the mastic around each one ages. For landlords with property near Broadstairs station, older sash windows in a rental need their mastic kept sound to keep the weather out. If you live in an older home near Parish Church of St Peter the Apostle, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Upton is about 1 mile south-west of Broadstairs, in Kent. Every kind of property in Upton can book us for sand mastic, old or new, large or small. Every job comes with our one-year guarantee. Upton is one of 922 towns and villages in Kent we cover. Chelmsford is on our list too, about 48 miles from Upton.
We work across the CT10, CT11 and CT12 postcode area for sand mastic and the streets around it. We cover properties on Vale Road, Lawn Road and Upton Road and the roads around them. With the A255 close by, Upton is simple for us to get to. We also cover the places around Upton: Broadstairs (1 mile north-east), St Peter's (1 mile north-west), Northwood (1 mile west), Ramsgate (1 mile south-west) and St Lawrence (2 miles south-west). We also work in nearby towns such as Deal (10 miles south), Herne Bay (13 miles west), Walmer (11 miles south), Whitfield (15 miles south), Sandwich (7 miles south-west) and Aylesham (13 miles south-west).
What’s near Upton
We work in homes and buildings around The Charles Dickens School, The Charles Dickens School and The Little Albion Inn and the streets around them. Upton has its own railway station: Broadstairs station. Other landmarks nearby include Westwood Cross (1.2 miles west) and Crampton Tower (under half a mile east). Green spaces nearby include Sandwich and Pegwell Bay.
Also near Upton
What else we do in Upton
DIY sealant or a professional job?
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.
If you do try it yourself, take your time over the 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.
What we do, step by step
When we arrive, we start by going over the job with you, so there are no surprises. We protect the surfaces around the joints before any work starts. The work normally takes a few hours per window, depending on the condition of the joints. A visit to Upton is planned like any other: the time, the access and where to park are agreed in advance. If the work is outside, the weather plays a part, as sealant needs a dry surface.
- Each surround is checked first.
- We rake out the old mastic and clean the joint.
- We fill deep gaps so the new mastic isn’t too thick.
- We point the joint with sand mastic by hand.
- The finish is dressed neatly.
Preparing for the visit
- Clear the area around the work
- Keep pets and children clear of the area while we work
- For indoor joints, keep the area dry beforehand if you can
Get a quote
Want a quote for sand mastic? Please ring 0345 464 0079 or drop us an email with a few details. You will know what we plan to do, and what it will cost, before any work begins.
Related advice
Common questions in Upton
Does the coastal weather in Upton affect outside sealant?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. The right product, a clean joint and the right depth all help it cope.
I let a flat near Broadstairs station. Can you help?
Yes, rental work is part of what we do. You can phone 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before we start.
Do you do commercial work?
Yes. We have worked for hotels, offices and other businesses, and we are fully insured.
What does sand mastic cost?
It depends on the job, so we quote each one individually. To get one, call 0345 464 0079 or send us an email with a short description of the job.
Do you come to Upton?
We do. Upton is part of the area we cover.
Do you remove the old sealant?
Yes. We cut out all the old sealant and clean the joint before applying anything new.
Are you insured?
Yes. We are fully insured.
Do you hold any approvals?
Yes. We’re approved under the ARBOMaster scheme, which is run for the Arbo sealant brand.
Why act early in Upton
Draughts round a sash window are not always the sashes. Open mastic joints round the box can let air in and new mastic seals them. Homes in smaller places like Upton can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.
A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. We take all of that into account in your quote.
Why us?
- Trusted Arbo and Everbuild sealants
- Anti-fungal silicone where joints get wet
- We never seal over old sealant
- Neat joints and a tidy finish
Take a look at what affects the cost and what customers say.
Landlords, agents and businesses in Upton
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. We can quote for more than one property at once.
In hotels, rooms out of use cost money, so the work can be planned room by room. Hotel work is part of what we do, alongside homes and businesses.
Keeping the joints in good condition
Simple care keeps the joints in good condition. Our advice:
- Look over the window mastic once a year
- Get any rot dealt with first
- Ask the planning authority about consent for listed or conservation-area homes
- Make sure water runs off the sill
Leave the new mastic alone while it firms up. It skins over quickly but needs longer to fully harden.
An open joint round the box lets weather through. Left, the gap tends to get bigger as more mastic falls out.