Hampshire · England
Sand mastic for sash & case windows in Kimpton, Hampshire
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for householders, landlords and businesses in Kimpton. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Gaps between timber frames and stone or brick
- Old sand mastic that has cracked, crumbled or fallen out
- Window mastic to renew ahead of painting
What affects the quote in Kimpton
We quote each job individually. These are the things that affect it:
- The product the joint needs
- The number of rooms or windows
- Any working-time requirements on site
- Access and height
Every job is a little different, so each one gets its own quote. Size, access and the product the joint needs all play a part.
What to tell us for a quote
There’s no need for technical detail. It helps if you can tell us:
- The address or postcode of the job
- Pictures of the joints, sent by email
- Any access issues, like height or stairs
- What the problem is, such as mould, gaps, leaks or cracking
Want a quote for sand mastic? Please call 0345 464 0079 or drop 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.
About our sand mastic in Kimpton
For a listed home or one in a conservation area, ask your local planning authority whether consent is needed for work to windows. Sand mastic is often favoured as a like-for-like material. We are often asked to deal with draughts and rain around sash boxes and weathered mastic on the most exposed windows, across period & listed homes, brick reveals and sash and case windows.
Homes in small places like Kimpton 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.
We stand behind the work with a one-year guarantee, so you’re not left on your own once the job is done.
- Place
- Kimpton (SP11)
- Region
- Hampshire
- Guarantee
- One year on every job
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026

What sealant work cannot fix
We will always be straight with you, so here’s what sealant can’t fix:
- Whether work needs listed building consent
- Crumbling stone or brickwork round the window
- Rotten sashes, sills or window boxes (a joiner’s job)
Not sure which it is? You can call 0345 464 0079 or email us and we will tell you honestly.
Where we work in Kimpton
- Timber door frames
- Stone surrounds
- Period & listed homes
- Tenement windows
- Brick reveals
- Sash and case windows
How it works
There’s no need to move everything out, only the area right around the joints. We protect the rest, and the job takes anything from a few hours to a full day, depending on how many windows in most cases. For a village or hamlet like Kimpton, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- First we agree which joints need doing.
- We remove the old, loose mastic.
- Deep gaps are packed so the mastic sits at the right depth.
- We apply the mastic by hand and shape it.
- The surface is finished to suit the stone or brick.
Getting ready for the visit
- Clear items away from the joints we’re working on
- Let us know about earlier repairs to the joints
- Keep children and pets away from the work area
Get a quote
For a quote, ring 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You’ll have a clear quote before we start.
Read more
Work for landlords, hotels and businesses
For anyone letting property in or around Kimpton, several properties can go on one quote. Send us the addresses and the work at each, and pictures by email help.
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
Keeping the joints in good condition
Simple care keeps the joints in good condition. We recommend:
- Inspect the joints round the windows every year or so
- Don’t run silicone over sand mastic
- Clear gutters so water does not pour onto the windows
- Take care around the mastic when scraping paint
Avoid sealing over the mastic with silicone. If you see a crack, ask us to take a look before trying a quick fix.
Once mastic starts to crumble, rain gets in. That water can reach the timber frame and the wall, so renewing it early is worth it.
Why it’s worth doing now in Kimpton
A silicone bead can be quicker, but it can look wrong on a period surround. Sand mastic is the traditional material and finishes neatly against the masonry. In a small place like Kimpton, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
A few things move the cost up or down: the old material and how easily it comes out, whether mould needs treating, and whether we need extra access for height. We take all of that into account in your quote.
Why us?
- 180+ five-star Google reviews
- We never seal over old sealant
- Approved under the ARBOMaster scheme
- We leave the area clean and tidy
Take a look at our cost guide and our reviews.
More services for Kimpton
FAQs for Kimpton
Is Kimpton within the area you cover?
Yes, we do. Our work covers London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Do you cover Kimpton for sand mastic?
Yes, Kimpton is within the area we cover. We work across London and the South East. You can ring 0345 464 0079 or send us an email and let us know what needs doing.
Can you seal over the old sealant?
No, because it fails. We remove every bit of old sealant first.
Can you match the sealant colour?
In most cases you can choose. We will tell you which colours the right product comes in and agree one before work begins.
Is it messy?
No. The area is protected while we work and cleaned up afterwards.
Do I need permission for sand mastic on a listed building?
Yes, it’s worth checking. Ask your local planning authority whether consent is needed for listed or conservation-area properties.
Will the old sealant be removed?
Yes, every time. New silicone does not stick to old silicone, so the joint is cleaned back first.
Does someone need to be in?
It depends on the job. For work indoors, someone needs to let us in.
What sand mastic looks like in Kimpton
The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Letting a property close to Grateley station? Then any sash windows need sound mastic to keep draughts and rain out. For an older house near a landmark such as Church of St Peter and St Paul, the joint between an old wall and a newer frame is usually the first place rain gets in.
Kimpton is about 5 miles west of Andover, in Hampshire. If you need sand mastic in Kimpton, please call 0345 464 0079 or email us for a quick quote. We cover Hampshire from our Crawley base, Kimpton included. Kimpton is one of 683 towns and villages in Hampshire where we work for sand mastic. For nearby work, see our Southampton page, about 23 miles away.
Postcode districts we cover here for sand mastic: SP11. If you need sand mastic at a property on Cow Lane, Deacon Road and Down Road or anywhere close by, our applicators can take on the job. Neighbouring places we cover for sand mastic include Great Shoddesden (1 mile north), Perham Down (2 miles north-west), Ludgershall (2 miles north-west), Tidworth (3 miles west) and Shipton Bellinger (3 miles west). We also work in nearby towns such as Andover (5 miles east), Whitchurch (11 miles east), East Anton (6 miles east), Harestock (15 miles south-east), Overton (15 miles east) and Picket Piece (7 miles east).
Near you in Kimpton
Kimpton’s nearest station is Grateley station, roughly 3.9 miles south of the centre. Well-known places in the area include Ludgershall Castle (2.6 miles north-west) and Andover War Memorial Hospital (4.6 miles east). Green spaces nearby include Anton Lakes and Quarley Hill.
DIY versus a professional finish
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. All the old material has to come out first.
