Essex · England

Great Baddow Window Mastic

Window mastic in Great Baddow from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.

  • Cold air getting in at the frame edge
  • Damp patches on the reveal after heavy rain
  • Untidy mastic left by window fitters

Window mastic in Great Baddow

Window mastic for homes and businesses in Great Baddow

Every window and door frame has a gap around it, and mastic is what closes it. When it cracks, hardens or pulls away, draughts and rain get in. Our applicators cut it out and replace it with a flexible, weatherproof sealant. We work on patio & French doors, aluminium frames and timber windows & doors, and people most often call us about whistling draughts around closed windows and cracked internal joints between frame and plaster.

Around Great Baddow, conservatories, garden rooms and patio doors are often part of the house. Those joints need the same attention as the main windows, and any older timber or sash windows need a sealant that suits them.

The work is covered for a year after we finish. If anything isn’t right with it, phone 0345 464 0079 or drop us an email.

Location
Great Baddow (CM2)
Region
Essex
Guarantee
One year on every job
Quote
A clear price before we start
Call
0345 464 0079
Updated
26 October 2026
Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter

Do you need window mastic in Great Baddow?

Timber windows bring their own problems. Old mastic gets painted over and cracks under the paint, and timber moves with moisture as well as temperature.

These are the problems we are asked about most:

  • White mastic on grey or black frames
  • Cracked sealant at the sill ends
  • Gaps between the frame and the inside reveal
  • Gaps left after new windows were fitted

Letting a property close to Chelmsford station? Then sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.

Before you book anyone

  • Is VAT in the price?
  • How the surfaces are prepared before sealing
  • Whether they’re fully insured
  • How long to leave it before use

Our hiring checklist

When something else is needed

Some problems need a builder, plumber or other trade rather than us:

  • Damp coming through the wall itself rather than the frame joint
  • Soft or decayed wood in the frame
  • Misting between the panes of a double-glazed unit (that needs a new unit)

If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer before you book.

Surfaces we seal

  • Patio & French doors
  • Aluminium frames
  • Timber windows & doors
  • Composite doors
  • Window sills
  • uPVC windows

DIY sealant or a professional job?

Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.

If you are set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it doesn’t work out, we can still put it right.

What happens on the day

We bring everything the job needs with us, so there’s nothing for you to buy. Once we have agreed what’s being done, we protect the area and start. It normally takes a few hours for a few frames, or a day or more for a whole house. For a job in Great Baddow, we agree the time, the access and parking before the day. If the work is outside, the weather plays a part, as sealant needs a dry surface.

  1. First, we confirm safe access to each frame.
  2. All the failed sealant is cut away.
  3. The surfaces are cleaned and left dry, and primed where the sealant calls for it.
  4. Deep voids are backed, then the sealant is gunned in.
  5. The joint is shaped to shed water and the area tidied.

Preparing for the visit

  • Clear items away from the joints we are working on
  • Keep children and pets away from the work area
  • Let us know about stairs, lifts or work at height

Get a quote

If you are in Great Baddow and need window mastic, call 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and you will get a clear quote before any work starts.

Get a quick quote

Advice

What happens if it’s left?

Redecorating is a good moment to renew the mastic. A clean new bead makes new paint or render look finished, and it’s easier while the walls are being worked on anyway. Homes in smaller places like Great Baddow can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.

A failed joint rarely gets cheaper to fix by waiting, because water and mould keep working on it. If you’re unsure, ring 0345 464 0079 or email us for an honest opinion and a quote.

Why us?

  • Over 20 years’ experience
  • Domestic, commercial and hotel work
  • Rated 4.9 stars on Google
  • Sealant colour chosen to suit

Read how sealant jobs are priced and our reviews.

Great Baddow homes and the weather

Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. With historic houses such as Danbury Place (about 2.3 miles east) nearby, there’s older building stock in the area around Great Baddow as well as newer homes. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window.

For site and facilities teams at buildings such as Baddow Hall Infant School, larger buildings have plenty of frames, and the mastic around each one ages. In the older streets around Church of St Mary, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.

Great Baddow is about 2 miles south-east of Chelmsford, in Essex. Across the CM2 area, our applicators can take on window mastic. Our Essex coverage runs to 644 places, and Great Baddow is one of them.

Our applicators cover all of the CM2 postcode area for window mastic and the streets around it. That includes homes and businesses on New Road, High Street and Colley Road. Close by, we work in Sandon (1 mile east), Butt's Green (2 miles south-east), Springfield (2 miles north), Little Baddow (3 miles north-east) and Boreham (4 miles north-east). We also work in nearby towns such as Basildon (10 miles south), Braintree (12 miles north), Brentwood (10 miles south-west), Maldon (8 miles east), Canvey Island (14 miles south) and Billericay (7 miles south-west).

Around Great Baddow

Around Great Baddow, our work takes us to homes and buildings near Oaklands Park, White Horse Inn and The Sandon School and the streets around them. The nearest railway station is Chelmsford station, roughly 2 miles north-west of the centre. Well-known places in the area include Bond Street Chelmsford (1.6 miles north-west) and Baddow Hospital (0.6 miles south). Open spaces near Great Baddow include Newland Grove.

Map of Great Baddow © OpenStreetMap contributors

Great Baddow: your questions answered

Do you cover Great Baddow for window mastic?

Yes, Great Baddow is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or email us with a few details of the job.

Do you cover smaller places like Great Baddow?

Yes, Great Baddow is covered. 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.

Can you quote for more than one area?

Of course. Combining jobs makes good use of the visit, so mention them when you ask for a quote.

Where is Mr Mastic based?

Our base is in Crawley, and we work across South East England, London and Scotland.

Will you leave a mess?

No. We protect the surfaces around the joints, and we clear up the old sealant and our materials before we leave.

How long before the joint can be used?

That depends on the sealant used, so follow the cure time we give you.

Can landlords and businesses book you?

Yes. As well as homeowners, we work for landlords, agents, businesses and hotels.

Can you match the sealant to my frames?

Generally, yes. Tell us the frame colour when you get in touch and we will match it as closely as we can.

Work for landlords, hotels and businesses

Failed sealant is one of the commonest items on a check-out report. Several properties can go on one quote.

From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.

How to look after the new joints

So the new joints stay in good condition:

  • Keep jet washers away from the mastic
  • Ventilate rooms so frames don’t stay wet inside
  • Clean frames with a soft cloth and soapy water
  • Keep timber frames painted

Have a look at the joints once a year, ideally after winter. Cracks and lifting edges are easy to spot early.

A small gap around a frame only grows. As the old mastic shrinks further, more air gets through, and a cold room gets colder. A new joint closes it up.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job