Essex · England
Window & door mastic in Broomfield, Essex
Window mastic across Broomfield and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Hard, cracked sealant around windows
- Gaps between the frame and the inside reveal
- Draughts coming in around windows and doors
Window mastic in Broomfield, done properly
The new joint does not have to be white. White, brown, anthracite grey, black and clear sealants are all available, so the bead blends with the window rather than framing it. Typical jobs include damp patches on the reveal after heavy rain and gaps between the frame and the inside reveal, on timber windows & doors, composite doors and window sills.
In a smaller place like Broomfield, 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.
A 12-month guarantee comes with the work, just as it does everywhere we cover.
- Place
- Broomfield (CM1, CM3)
- Wider area
- Essex
- Guarantee
- One year on every job
- Quotes
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
DIY sealant or a professional job?
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.
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.
Window mastic in Broomfield: local notes
London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. With historic houses such as Hylands (about 4.5 miles south) nearby, there’s older building stock in the area around Broomfield 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.
Rented homes near Beaulieu Park station change hands often, and sound mastic around windows and doors keeps out the draughts and damp that tenants notice first. Managing a site like Chelmer Valley High School? Then the mastic around its windows and doors needs looking after like any other building’s. If you live in an older home near Church of St Mary the Virgin, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Broomfield is about 2 miles north of Chelmsford, in Essex. Across the CM1 area, we cover window mastic for homes and businesses. We cover 644 towns and villages across Essex, large and small.
All of CM1 and CM3 is covered for window mastic, from the main roads to the quietest streets. That includes homes and businesses on Mandeville Way, Court Road and Gernon Close. Other places close to Broomfield include Little Waltham (1 mile north), Minnow End (1 mile north), Breeds (1 mile north-west), Patching (2 miles south) and Great Waltham (2 miles north-west). Within a short drive, we also cover Basildon (14 miles south), Braintree (9 miles north-east), Harlow (15 miles west), Brentwood (12 miles south-west), Maldon (10 miles east) and Billericay (10 miles south).
What’s near Broomfield
Around Broomfield, our work takes us to homes and buildings near The Kings Arms Inn and Broomfield Primary School. The nearest railway station is Beaulieu Park station, about 2.3 miles south-east of the centre. Nearby you’ll also find Broomfield Hospital (less than half a mile north-west) and Peter Edwards Museum And Library (2.8 miles south). Open spaces near Broomfield include Little Waltham Meadows.
Why act early in Broomfield
Redecorating is a good moment to renew the mastic. Fresh joints finish the job neatly. Around Broomfield, water from a failed joint in an older home can soak into timber and plaster, and that’s a much bigger job than renewing the sealant.
The cost depends on the size of the job, how hard the old material is to remove and access to the work. You will have a clear quote before any work starts.
Why choose Mr Mastic in Broomfield
- Colour agreed with you before work begins
- A 12-month guarantee on all work
- Anti-fungal sanitary silicone in wet areas
- Rated 4.9 stars on Google
Read what affects the cost or customer reviews.
Nearby places to Broomfield
More services for Broomfield
What sealant work cannot fix
Before booking, it’s worth knowing the limits too:
- Draughts through the window seals rather than the frame
- Rotten timber, which needs a joiner first
- Penetrating damp from a failed cavity tray or render
Not sure which it is? You can ring 0345 464 0079 or drop us an email and we will tell you honestly before you book.
Surfaces we seal
- Window sills
- Patio & French doors
- uPVC windows
- Composite doors
- Aluminium frames
- Timber windows & doors
Work for landlords, hotels and businesses
We work for landlords and letting agents as well as householders. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.
We also work for businesses, from offices to washrooms and kitchens. On commercial sites, working times can be discussed when we quote.
Questions from Broomfield
Is Broomfield in your area for window mastic?
Yes. Our work covers London and the South East, and Broomfield is part of that. You can phone 0345 464 0079 or send us an email and let us know what needs doing.
I let a flat near Beaulieu Park station. Can you help?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or email us and tell us about the property, and we will give you a clear price.
Do you guarantee window mastic?
Yes. Each job is covered for 12 months.
Can you quote for more than one area?
Of course. Combining jobs makes good use of the visit.
Can new window sealant be painted?
That depends on the product. Some hybrid sealants can be painted; silicone can’t. Mention any painting plans before any work starts.
Are you insured?
Yes. We’re fully insured, and we have been doing sealant work for more than 20 years.
Can you get sealant to suit coloured frames?
Yes. We can use white, brown, anthracite grey, black or clear, so the joint suits the frame.
Do you seal inside as well as outside?
Yes. Outside is the weather seal; inside closes the gap to the plaster. We can do either or both.
What happens on the day
We keep the work tidy and contained to the joints we are treating, so you can get on with your day. The job usually takes a morning for a couple of windows and a door, and we tell you how long to leave it before we go. In a smaller place like Broomfield, parking is seldom the issue; lanes, gates and long drives are worth mentioning. If the job is outside, tell us about side access and how high the joints are.
- First we look at every frame and agree the list.
- The old mastic is cut out and the surfaces cleaned back.
- We fit backing rod in deep gaps so the sealant is the right depth.
- A flexible, weatherproof sealant is applied in a colour to suit the frame.
- Every joint is checked before we leave.
Before we arrive
- On commercial sites, let us know about site rules
- Keep pets and children clear of the area while we work
- Where the joints are inside, avoid wetting them before we arrive
Ask for a quote
For a quick quote, get us on the phone, or email us if that’s easier. Tell us about the joints that need doing and we’ll talk you through the work before giving you a price.
Related advice
How the job changes by surface
Timber windows & doors
Soft or rotten wood cannot be sealed successfully. If we find rot, we will tell you before going ahead, as a joiner will need to deal with it.
Aluminium frames
Aluminium needs a sealant that bonds to coated metal, and acetoxy silicones aren’t used, as they can attack some metals. Neutral-cure sealant is the safe choice.
How to look after the new joints
To keep the joints looking good and working properly:
- Don’t paint over the silicone
- Clear any debris from frame drain holes
- Keep jet washers away from the mastic
- Wash the frames with mild soapy water
Check the drainage slots in the frames aren’t blocked, so water can run away instead of sitting against the joint.
Look out for the warning signs: 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.