Hampshire · England
Chandler's Ford Sand Mastic
Sand mastic across Chandler's Ford and nearby, with every bit of old sealant taken out first.
- Mastic worn away on windows facing the weather
- Draughty sash windows at the surround
- Crumbling sand mastic round a window
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Go gently near the mastic when preparing windows
- Renew mastic before redecorating the windows
- Check with your local planning authority if your home is listed
- Clear gutters so water doesn’t pour onto the windows
Do not touch or press the mastic while it hardens. It forms a skin fairly soon but needs longer to fully harden.
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.
Sand mastic for homes and businesses in Chandler's Ford
If your home is listed or in a conservation area, check with your local planning authority whether consent is needed for work to windows. Like-for-like sand mastic is often the preferred finish. Common call-outs are for open joints round the window box and wind and rain getting in round a sash window, across period & listed homes, timber door frames and sash and case windows.
Around Chandler's Ford, many houses have gained conservatories, French doors or replacement windows over time. Every addition brings more joints, each wearing at its own pace. Leaks generally start at a sill, a frame head or a glazing joint.
There’s a 12-month guarantee on every job, whatever its size.
- Where
- Chandler's Ford (SO53, SO51, SO52)
- Wider area
- Hampshire
- Cover
- One year on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Quotes for sand mastic in Chandler's Ford
There’s no set price list, because no two jobs are the same. What we look at:
- Which sealant suits the joint
- The amount of work
- The number of rooms or windows
- Any working-time requirements on site
We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please call 0345 464 0079 or send us an email and we will talk you through it.
What to tell us for a quote
Photos by email are helpful but not essential. Please mention:
- The address or postcode of the job
- If it’s domestic, commercial or a hotel
- Access, such as stairs, a lift or height
- Photos by email, if that’s easy
For sand mastic in Chandler's Ford, ring 0345 464 0079 or email us. Tell us what the problem is and where, and we’ll agree the price before any work begins.
Do you need sand mastic in Chandler's Ford?
Rain on the window surround works into any crack and loosens it further. Exposed elevations normally fail first.
Look out for any of the following:
- Window mastic to renew ahead of painting
- Cracked mastic round a front door frame
- Gaps between timber frames and stone or brick
- Mastic worn away on windows facing the weather
Homes close to St Boniface include some older properties, and replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
What your quote should include
- Whether all the old sealant comes out first
- What guarantee comes with the work
- What happens if they find a problem under the old sealant
- Whether VAT is included
Surface by surface
Period and listed homes
A traditional finish suits a period property, and sand mastic is one of them.
Brick reveals
We rake out the old mastic and pack deep voids before the new mastic goes in.
Landlords, agents and businesses in Chandler's Ford
Letting agents often deal with us directly. Tell us the address, the job and how access works and we’ll quote.
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.
Sand mastic in Chandler's Ford: local notes
Historic houses like South Stoneham House (about 3.4 miles south) are a reminder that the area around Chandler's Ford 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. Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
If you let a flat or house near Chandlers Ford station, cracked sand mastic around sash windows lets in the draughts tenants complain about. For site and facilities teams at buildings such as Chandler's Ford Infant School, the mastic around its windows and doors needs looking after like any other building’s.
Chandler's Ford is about 5 miles north of Southampton, in Hampshire. From the centre of Chandler's Ford to the outskirts, sand mastic is available for homes and businesses alike. Our Hampshire coverage runs to 683 places, and Chandler's Ford is one of them.
Postcode districts we cover here for sand mastic: SO53, SO51 and SO52. You’ll find streets such as Kerry Close, Prospect Place and Sutherlands Court, all of which we cover. Being close to the B3043, Chandler's Ford is simple for us to get to for sand mastic. We also cover the places around Chandler's Ford: Hiltingbury (1 mile north), Boyatt Wood (1 mile east), Allbrook (1 mile east), North Stoneham (2 miles south) and Eastleigh (2 miles south-east). Further out, we also cover Winchester (6 miles north-east), Fareham (12 miles south-east), Totton (7 miles south-west), Hedge End (6 miles south-east), Romsey (4 miles west) and Hythe (9 miles south).
Near you in Chandler's Ford
In Chandler's Ford, that means homes and buildings near Toynbee School and Thornden School and the streets around them. There’s a railway station in Chandler's Ford itself: Chandlers Ford station. Nearby you will also find Princess Anne Hospital (4 miles south-west) and Eastleigh Museum (1.9 miles south-east). Open spaces near Chandler's Ford include Flexford Nature Reserve.
How it works
There isn’t much for you to do on the day. Point us to the joints and we will get on with it. The work itself takes a few hours for a single window, longer for several from start to finish. For a job in Chandler's Ford, we need access to where the work is and somewhere nearby to park. If the job is outside, mention gates, side access and anything above ground floor.
- 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.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
How to prepare
- Tell us about any water getting in
- Try not to wet indoor joints just before the visit
- Mention any sign-in or site rules at work premises
How to get a quote
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is.
Advice
Questions from Chandler's Ford
Is sand mastic in Chandler's Ford guaranteed?
Every job comes with our 12-month guarantee, wherever it is. We are also fully insured and ARBOMaster approved.
Do you work for landlords with property near Chandlers Ford station?
Yes, rental work is part of what we do. Just call 0345 464 0079 or email us and tell us about the property, and we will give you a clear price.
How long does sand mastic take to go off?
Not right away. It skins first and hardens fully later, and we will tell you what to expect.
Can I choose the sealant colour?
In most cases you can choose. We will tell you which colours the right product comes in.
Do you work for hotels and businesses?
Yes, regularly. Larger jobs can be planned room by room or area by area.
Should I try DIY first?
That depends on the joint. High-level, external movement and fire-rated joints are professional jobs.
Which products do you use?
Quality sealants from brands including Arbo and Everbuild, picked for each joint. We explain the product when we quote.
Will it make a mess?
Not at all. We work neatly, protect the area around the joints and tidy up afterwards.
Also near Chandler's Ford
Also in Chandler's Ford
Why it’s worth doing now in Chandler's Ford
If you are redecorating, renew the mastic first. Painting over failed mastic does not seal it, and the new mastic is traditionally left unpainted. In a family home in Chandler's Ford, a failed seal around a bath or a frame lets water into places you cannot see, such as under the floor, behind a panel or into a wall. Left alone, that means rot, damp and a bigger repair.
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.
Why us?
- Approved under the ARBOMaster scheme
- Neat joints and a tidy finish
- Fully insured
- Quality sealants from Arbo and Everbuild
See our cost guide or what customers say.