Essex · England
Kelvedon Sand Mastic
Professional sand mastic in and around Kelvedon, with every bit of old sealant taken out first and a 12-month guarantee.
- Silicone on a period window that looks wrong
- Weathered mastic on the most exposed windows
- Draughty sash windows at the surround
What we can’t put right
We won’t take on work that won’t last, so these are the limits:
- Broken panes
- Masonry that needs repairing
- Planning or listed building consent (your local planning authority decides)
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think.
Where we work in Kelvedon
- Period & listed homes
- Tenement windows
- Brick reveals
- Stone surrounds
- Timber door frames
- Sash and case windows
Sand mastic in Kelvedon, done properly
If your home is listed or in a conservation area, check with your local planning authority if consent is needed before window work. Like-for-like sand mastic is often the preferred finish. Typical jobs include mastic that needs renewing before redecorating and wind and rain getting in round a sash window, on stone surrounds, brick reveals and tenement windows.
In a smaller place like Kelvedon, some walls face open ground and catch the full force of the weather, so exposed windows and doors face the weather head on. The mastic around frames on those walls tends to age faster.
Your job is guaranteed for a year, as with all our work.
- Location
- Kelvedon (CO5)
- Region
- Essex
- Cover
- One year on every job
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Nearby places to Kelvedon
Other services in Kelvedon
Surface by surface
Brick reveals
Loose mastic comes out and deep gaps are packed before the new mastic goes in.
Period and listed homes
A traditional finish suits a period property.
Can I do it myself?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
How the visit works
We keep the work tidy and contained to the area we’re working on, so you can carry on as normal. The job generally takes a few hours for a single window, longer for several, and we tell you how long to leave it before we go. Parking around Kelvedon is normally easier than in a town centre, but mention any lanes, gates or long drives. If the job is outside, tell us about side access and how high the joints are.
- We start by checking each surround and agreeing the joints to renew.
- We rake out the old mastic and clean the joint.
- Deep voids are packed so the mastic is the right thickness.
- We mix the sand mastic and apply it by hand, shaping it to the joint.
- The mastic is finished to sit tidily against the stone or brick.
Before we arrive
- Let us know about earlier repairs to the joints
- For business premises, tell us about site rules or sign-in
- Mention any leaks or damp you’ve noticed
Ask for a quote
We quote each job on its own, so start by telling us what you need. Just ring 0345 464 0079 or drop us an email with the details.
Advice
Quotes for sand mastic in Kelvedon
Your quote is based on your job. We look at:
- The size of the job
- The type of sealant required
- When we can work, for business premises
- The old material and how stubborn it is
What it costs depends on the size of the job, how much old material has to come out and access to the work. We give a clear quote before we start, so you know where you stand.
Helping us quote
To help us quote quickly, let us know:
- The problem you’ve noticed
- Roughly how big the job is
- Photos by email, if that is easy
- The type of property
It all starts with a short chat. Describe the problem, the location and the size of the job, and we will explain how we’d tackle it. When it suits you, ring 0345 464 0079 or drop us an email.
Looking after it afterwards
Simple care keeps the joints in good condition. Our advice:
- Ask us before painting near the mastic
- Check the mastic when you check the paintwork
- Clear gutters so water does not pour onto the windows
- Have rotten timber repaired before new mastic goes in
Make sure water drains away from the window surround. Constant wetting wears the mastic faster.
Crumbling mastic lets rain into the joint. That water can reach the timber frame and the wall so early renewal protects both.
Signs you need sand mastic in Kelvedon
Shallow joints are a common cause. A thin layer does not hold well so we make sure the new mastic is the right thickness.
Signs it’s time to call us include:
- Patchy fillers round a sash window
- Wind and rain getting in round a sash window
- Modern sealant on a period surround
- Window mastic to renew ahead of painting
Schools such as Kelvedon St Mary's Church of England Primary Academy are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages.
Comparing quotes
- Which colour the sealant will be
- The length of the guarantee
- What happens if they find a problem under the old sealant
- What product goes in the joint
Common questions in Kelvedon
Can you help a landlord with a rental near Kelvedon station?
Yes. We work for landlords and agents as well as homeowners. Just call 0345 464 0079 or email us with the address and what needs doing, and we’ll give you a clear quote.
Is Kelvedon within the area you cover?
Yes. Kelvedon is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Is it OK to seal over old sealant?
No, it won’t last. It may look fine at first, but the new bead soon lifts. The old sealant has to come out completely.
Should I try DIY first?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.
When will the new mastic be hard?
The surface skins quite quickly, then hardens over a longer period. The weather and joint depth both affect it.
How do I get a quote for sand mastic in Kelvedon?
The cost depends on the size of the job, access and how much old sealant has to come out. Call for a quick quote.
Is consent needed for window work on a listed home?
It’s best to ask your local planning authority first. Like-for-like sand mastic is often the preferred finish, but they decide.
Do the sealants smell?
There can be a smell while the sealant cures. Opening a window helps.
Windows and doors in Kelvedon
The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like Layer Marney Tower (about 4.2 miles east) are a reminder that the area around Kelvedon 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.
If you live in an older home near Parish Church of St Mary, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. Rented homes near Kelvedon station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out.
Kelvedon is about 4 miles north-east of Witham, in Essex. If you need sand mastic in Kelvedon, it’s easy to get a quote: please ring 0345 464 0079 or send us an email. We’re based in Crawley and cover Essex, Kelvedon included. 644 places in Essex are on our list. Chelmsford is on our list too, about 11 miles from Kelvedon.
Postcode districts we cover here for sand mastic: CO5. Whether your property is on High Street, Church Road and Station Road or anywhere close by, our applicators can take on the job. Close by, we work in Feering (1 mile north-east), Stocks Green (2 miles north-east), Windmill Hill (2 miles south-east), Messing (2 miles east) and Skye Green (2 miles north). Larger places within reach include Colchester (9 miles north-east), Chelmsford (11 miles south-west), Braintree (7 miles north-west), Maldon (8 miles south), Witham (4 miles south-west) and Camulodunum (8 miles north-east).
Around Kelvedon
Locally, jobs take us to homes and businesses close to The George Inn, Parish Church of All Saints and Thurstable School Sports College and Sixth Form Centre and the streets around them. There’s a railway station in Kelvedon itself: Kelvedon station. A little further out are Laundry & Mangle Museum (2.6 miles north-west). Open spaces near Kelvedon include Tiptree Heath Nature Reserve.