Essex · England
Window & door mastic in Kelvedon Hatch, Essex
Window mastic across Kelvedon Hatch and nearby, with every bit of old sealant taken out first.
- Gaps left after new windows were fitted
- Rain getting in at the frame or under the sill
- A bead that does not match the frame
About our window mastic in Kelvedon Hatch
There are two joints on most windows. Outside, the mastic keeps rain out; inside, the joint between frame and plaster stops draughts and tidies the reveal. Either or both can be done. Common call-outs are for sealant in the wrong colour for the frame and rain getting in at the frame or under the sill, across aluminium frames, patio & French doors and composite doors.
Somewhere as small as Kelvedon Hatch, older homes often have timber frames set in stone or brickwork. Not every older frame suits a modern silicone bead, so the sealant has to be chosen to suit the building.
A one-year guarantee comes as standard.
- Place
- Kelvedon Hatch (CM15, CM14)
- Wider area
- Essex
- Guarantee
- A year, on every job
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
What window mastic looks like in Kelvedon Hatch
Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like Ingatestone Hall (about 5 miles east) are a reminder that the area around Kelvedon Hatch has older buildings as well as new. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.
Rented homes near Shenfield station change hands often, and sound mastic around windows and doors keeps out the draughts and damp that tenants notice first. For site and facilities teams at buildings such as Kelvedon Hatch Community Primary School, its window and door frames need their mastic kept sound, just like a home’s. In the older streets around New Church of St Nicholas, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.
Kelvedon Hatch is about 3 miles north-west of Brentwood, in Essex. Our applicators cover window mastic for homeowners, landlords and businesses in Kelvedon Hatch and nearby. 644 places in Essex are on our list. You can also see our page for Chelmsford, roughly 10 miles from Kelvedon Hatch.
We work across the CM15 and CM14 postcode area for window mastic and the streets around it. Window mastic is available to properties on Church Road, Swan Lane and The Finchingfields and the roads around them. We also cover the places around Kelvedon Hatch: Doddinghurst Common (1 mile south), Navestock Side (1 mile south-west), Bentley (1 mile south), Hook End (1 mile north-east) and Stondon Massey (1 mile north-east). Within a short drive, we also cover Chelmsford (10 miles north-east), Basildon (10 miles south-east), Harlow (10 miles north-west), Brentwood (3 miles south-east), Billericay (7 miles east) and Rayleigh (15 miles east).
Around Kelvedon Hatch
Typical jobs here are in homes near The Shepherd Public House and the streets around them. The nearest railway station is Shenfield station, about 3.4 miles south-east. A little further out are Brentwood Community Hospital (3.3 miles south-east). Not far away are Thorndon Park.
Also near Kelvedon Hatch
More services for Kelvedon Hatch
FAQs for Kelvedon Hatch
Do you cover Kelvedon Hatch for window mastic?
Yes, Kelvedon Hatch 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.
I let a flat near Shenfield station. Can you help?
Yes. We work for landlords and agents as well as homeowners, and several properties can be quoted together. You can ring 0345 464 0079 or send us an email with the details for a clear quote.
Will new mastic stop draughts?
If the draught is coming in around the frame, yes. If it’s through the window’s own seals or a hinge, that is a different fix, and we will say so.
Can I do it myself?
That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.
Can you do the inside joint as well?
Yes. Plenty of draughts come through the inside joint as well as the outside, so it can be worth sealing both.
Are you ARBOMaster approved?
Yes. Mr Mastic is an ARBOMaster approved applicator and we’re fully insured too.
Can you match the sealant to my frames?
Yes. We can use white, brown, anthracite grey, black or clear, so the joint suits the frame.
Can you reach windows above the ground floor?
Yes, in most cases. We plan safe access before the job, so mention the height and anything in the way.
Work for landlords, hotels and businesses
If you manage several properties in or around Kelvedon Hatch, several properties can be quoted together. Send us the addresses and the work at each.
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance that we can handle for you.
DIY versus a professional finish
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
If you’ve already had a go yourself, that’s fine. We cut it out and start again, so just mention it when you contact us.
What affects the cost of window mastic
We quote each job individually. This is what makes a difference:
- Any mould that needs treating
- The amount of work
- How many rooms, windows or areas are involved
- The type of sealant required
Leaving a failed joint normally makes the job bigger, not smaller, as water and mould keep getting in. If you are not sure whether it needs doing, phone 0345 464 0079 or email us for an honest opinion and a quote.
What we need to know
What to tell us when you ask for a quote:
- Photos by email, if that is easy
- Any previous sealing or DIY work
- Access, such as stairs, a lift or height
- If it’s domestic, commercial or a hotel
For a quote, call 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You will have a clear quote before we start.
The process
On the day, there’s very little for you to do. Point us to the joints and we’ll get on with it. The work itself takes a few hours for a handful of frames, longer for a whole house, including the tidy-up. Somewhere like Kelvedon Hatch needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- First, we confirm safe access to each frame.
- All the failed sealant is cut away.
- The surfaces are cleaned and left dry, and primed where the sealant calls for it.
- Deep voids are backed, then the sealant is gunned in.
- The joint is shaped to shed water and the area tidied.
Getting ready for the visit
- Tell us about any water getting in
- Keep children and pets away from the work area
- Clear the area around the work
Getting a quote
For window mastic in Kelvedon Hatch, ring 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
Related advice
Looking after it afterwards
How long the joints last depends on use and care. We suggest:
- Make sure the drainage slots are not blocked
- Avoid harsh chemicals near the mastic
- Walk round the house once a year and look at the joints
- Use gentle cleaners on frames and sealant
On timber frames, keep the paintwork in good order, because bare, wet timber moves more and pulls at the joint. Paint up to the joint, not over the silicone.
Signs to watch for: cracks in the mastic, gaps you can see light through, damp on the reveal or mould around the inside of the frame. Any of these is worth a call.
When it isn’t the sealant
In fairness, there are a few things sealant will not fix:
- Broken hinges, locks or handles
- Soft or decayed wood in the frame
- A failed sealed unit that has misted up
If in doubt, call 0345 464 0079 or send us an email and we’ll say what we think.
What we seal
- Patio & French doors
- uPVC windows
- Timber windows & doors
- Window sills
- Composite doors
- Aluminium frames
Why act early in Kelvedon Hatch
Not every sealant suits a window. Decorators’ caulk and bathroom silicone aren’t designed for outside joints that move. An exterior, low-modulus sealant stays flexible in sun and frost. In a small place like Kelvedon Hatch, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
The cost depends on how much there is to do, how much old material has to come out and how easy the joints are to reach. We give a clear quote before work begins.
Why choose Mr Mastic in Kelvedon Hatch
- Tidy, careful work
- Homes, businesses and hotels
- Sanitary silicone with an anti-fungal additive in wet areas
- 180+ five-star Google reviews
Read what affects the cost or what customers say.