Thurrock · England

Fobbing Window Mastic

Mastic around window and door frames, sills and patio doors for householders, landlords and businesses in Fobbing. Fully insured, ARBOMaster approved and guaranteed for a year.

  • Gaps between the frame and the inside reveal
  • Rain getting in at the frame or under the sill
  • Untidy mastic left by window fitters

Window mastic near Fobbing

Window mastic in Fobbing

Some gaps around frames are far deeper than they look. Packing it solid with sealant gives a joint that can’t flex, so deep gaps get backing rod first. The sealant then grips the two sides it should. We work on timber windows & doors, composite doors and patio & French doors, and common reasons people get in touch are black, perished sealant on frames and untidy mastic left by window fitters.

In a village or hamlet like Fobbing, older cottages and farmhouses often have timber windows set in stone or brick. Older buildings like these do not always suit modern silicone, so the sealant has to be chosen to suit the building.

Our work is backed for twelve months, in Fobbing and everywhere else we cover.

Mr Mastic applicator sealing the top of a white uPVC door frame on a red-brick house
Location
Fobbing (SS17)
Wider area
Thurrock
Guarantee
12 months on all our work
Quotes
A clear price before we start
Call
0345 464 0079
Updated
26 October 2026

What sealant work cannot fix

In fairness, there are a few things sealant won’t fix:

  • A failed sealed unit that has misted up
  • Worn gaskets, brush seals or a door that has dropped
  • Soft or decayed wood in the frame

If in doubt, call 0345 464 0079 or send us an email and we’ll say what we think.

Surfaces we seal

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

What affects the cost of window mastic

There’s no set price list. The quote depends on:

  • The amount of work
  • The number of rooms or windows
  • Whether there’s mould to deal with
  • Access and height

What it costs depends on how much there is to do, how much old material has to come out and how easy the joints are to reach. You will have a clear quote before any work starts.

What we need to know

Photos by email are helpful but not essential. Please mention:

  • Whether it’s a home or a business
  • The problem you’ve noticed
  • Where the property is
  • Photos by email, if that’s easy

Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we will talk you through the work.

Common problems we fix in Fobbing

Frames are never completely still. Sun on a frame makes it expand, and it contracts again overnight, while the masonry beside it stays put. If the sealant can’t stretch, it splits.

These are the problems we are asked about most:

  • White mastic on grey or black frames
  • Old mastic that has gone black or come away
  • Draughts coming in around windows and doors
  • Leaking joints at the ends of sills

For landlords with property near Basildon station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first.

Questions to ask before you book

  • How long the guarantee is
  • Who turns up on the day
  • Whether you can choose the colour
  • What happens if they find a problem under the old sealant

Choosing a sealant specialist

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.

Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.

The process

The work is kept neat and contained to the joints we are treating, so you can get on with your day. Expect the work to take most of a day for a typical house, less for a few frames, and we tell you how long to leave it before we go. For a village or hamlet like Fobbing, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.

  1. First, we go round the frames with you and agree the list.
  2. We remove the old mastic and clean the frame edge and wall.
  3. Where the gap is deep, backing rod goes in first.
  4. A flexible exterior sealant is applied in a colour to suit the frame.
  5. We tool each bead neatly and check every joint is closed.

Getting ready for the visit

  • Let us know about parking restrictions
  • Clear items away from the joints we’re working on
  • On commercial sites, let us know about site rules

Ask for a quote

Every job is quoted individually. Simply phone 0345 464 0079 or drop us an email and describe the job, and photos are welcome.

Get a quick quote

Related advice

FAQs for Fobbing

I let a flat near Basildon station. Can you help?

Yes, we work for landlords and letting agents. Just phone 0345 464 0079 or send us an email and tell us about the property, and we will send you a clear quote.

Does living near the coast affect window mastic in Fobbing?

Coastal weather is harder on outside sealant: there’s more wind-driven rain and, closer to the shore, salt in the air. The right product, a clean joint and the right depth all help it cope.

How much does window mastic cost in Fobbing?

Every job is different, so each one gets its own quote. To get one, call 0345 464 0079 or drop us an email and tell us what needs doing and where.

What do you put in the joint?

It depends on the joint: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.

Do you work in Fobbing?

Yes. We’re based in Crawley and work across South East England, London and Scotland, and that includes Fobbing.

Does the work come with a guarantee?

Yes, for 12 months. A yearly look at the joints helps them last.

Can I paint over the new sealant?

Not if it’s silicone. We choose the product with your decorating in mind, so mention it when you book.

Is there any odour?

Sometimes, a little. Any smell clears as the sealant cures.

What window mastic looks like in Fobbing

Fobbing is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.

For site and facilities teams at buildings such as Ortu Corringham Primary School, its window and door frames need their mastic kept sound, just like a home’s. If you live in an older home near Church of St Michael, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.

Fobbing is about 2 miles north-east of Stanford-le-Hope, in Thurrock. Homes, rented property, offices and hotels in Fobbing can book us for window mastic, old or new, large or small. The work is guaranteed for a year. Our area takes in 26 places across Thurrock, large and small. We also work in Chelmsford, about 14 miles from Fobbing.

Every address in SS17 is within our area for window mastic, from the main roads to the quietest streets. Streets in the area include High Road, Patricia Drive and Greenacres Mews, and we cover them all. If you are just outside Fobbing, we cover Corringham (1 mile south), Vange (2 miles north-east), Stanford-le-Hope (2 miles south-west), Balstonia (2 miles south-west) and Lee Chapel (2 miles north-west). Within a short drive, we also cover Grays (7 miles south-west), South Ockendon (8 miles west), Chadwell St Mary (6 miles south-west), Aveley (10 miles west), Tilbury (7 miles south-west) and South Stifford (8 miles south-west).

Near you in Fobbing

In Fobbing, that means homes and buildings near Gable Hall School, Vange Hill and White Lion Public House and the streets around them. The closest station to Fobbing is Basildon station, about 2.1 miles north. A little further out are Basildon University Hospital (1.5 miles north-west) and Eastgate Shopping Centre (2.2 miles north). Open spaces near Fobbing include Fobbing Marsh.

Map of Fobbing © OpenStreetMap contributors

Why it’s worth doing now in Fobbing

A quick bead over the top of old mastic looks like an easy fix, but it won’t grip old, dirty sealant. It peels before long, and water still gets in behind. Proper resealing starts with removing the old joint. In a small place like Fobbing, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.

What you pay reflects the work, not a rough estimate. That’s why we ask a few questions first.

Why book with us

  • White, clear, grey or another colour, product permitting
  • Approved under the ARBOMaster scheme
  • Trusted Arbo and Everbuild sealants
  • One-year guarantee on every job

Read what affects the cost or our reviews.

Looking after it afterwards

Aftercare is simple, and it makes a real difference:

  • Clean frames with a soft cloth and soapy water
  • Don’t aim a pressure washer at the joints
  • Avoid harsh chemicals near the mastic
  • Ventilate rooms so frames do not stay wet inside

Check the drainage slots in the frames are not blocked, so rain drains out rather than building up at the sealant.

A failed joint lets water into the wall a little at a time. Often the first sign is a damp patch inside or flaking paint on the reveal. Early resealing stops it reaching that point.

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