Medway · England

Window Mastic in Church Street

Mastic around window and door frames, sills and patio doors in Church Street, with a one-year guarantee on every job. Ask us for a quote.

  • Leaking joints at the ends of sills
  • Rushed sealant from a window installation
  • Draughty joints inside around the window

Trusted window mastic in Church Street

DIY sealant or a professional job?

A DIY attempt does not rule out a professional job. We cut it out and start again.

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.

Window mastic for homes and businesses in Church Street

The new joint doesn’t have to be white. We can seal in white, brown, anthracite grey, black or clear, so the bead blends with the window rather than framing it. We work on uPVC windows, composite doors and patio & French doors, and the jobs we see most are draughty joints inside around the window and untidy mastic left by window fitters.

Mastic can only go onto a dry, clean joint, so window work in Church Street is booked around the forecast. Let us know about access to all the frames, upstairs ones included.

There’s a 12-month guarantee on every job, large or small.

Mr Mastic applicator sealing the top of a white uPVC door frame on a red-brick house
Where
Church Street (ME3)
Wider area
Medway
Guarantee
12 months on all our work
Quote
Quoted before any work starts
Telephone
0345 464 0079
Updated
26 October 2026

Work for landlords, hotels and businesses

We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll give you a quote.

Hotels need rooms back in use, so the work can be planned room by room. Hotel work is part of what we do, alongside homes and businesses.

Why deal with it now?

Failed mastic is not a reason to replace sound windows. If the frames and glass are in good order, resealing the joints is often all that’s needed. Problems with the glass or gaskets are for a window company, and we’ll say so. In a small place like Church Street, 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 reflects the work involved, not guesswork. That’s why we ask about the job first and send you a clear quote before any work starts.

Why choose Mr Mastic in Church Street

  • Any old sealant cut out fully, not covered over
  • A sealant colour to suit the surroundings
  • ARBOMaster approved applicator
  • You choose the colour before work begins

Take a look at our cost guide and our reviews.

How the visit works

A visit follows a simple pattern: we check the joints, protect the area around them, carry out the job and tidy away. Most jobs take anything from an hour or two to a full day, depending on how many frames there are. Somewhere like Church Street needs a little journey planning: 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. Each frame is looked over and we agree which ones need resealing.
  2. We remove the old mastic and clean the frame edge and wall.
  3. Deep gaps get closed-cell backing rod to set the depth.
  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.

Preparing for the visit

  • Let us know about earlier repairs to the joints
  • Tell us about any water getting in
  • Tell us if parking is tricky

How to get a quote

The more we know about the job, the more useful the quote. Let us know the location, the problem and roughly how many joints.

Ask for a quote

Read more

What affects the quote in Church Street

Call for a quick quote. What matters most is:

  • How easy the joints are to reach
  • The number of rooms or windows
  • The amount of work
  • Mould in or behind the old joints

Leaving a failed joint normally makes the job bigger, not smaller. If you’re unsure, call 0345 464 0079 or email us for an honest opinion and a quote.

Asking for a quote

A few details help us give you an accurate quote. When you get in contact, it helps to mention:

  • Pictures of the joints, sent by email
  • Whether it’s a home or a business
  • Roughly how big the job is
  • Any access issues, like height or stairs

Want a quote for window mastic? Please call 0345 464 0079 or email us with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.

Church Street homes and the weather

Church Street is within about 2 miles of the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on the mastic around window and door frames, which can dry out and crack sooner where a building faces the weather. The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.

Homes close to St Mary's Church include some older properties, and replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint. For site and facilities teams at buildings such as Higham Primary School, larger buildings have plenty of frames, and the mastic around each one ages.

Church Street is about 4 miles north of Rochester, in Medway. Whether you’re in the middle of Church Street or further out, we cover window mastic for every kind of property. Across Medway, we cover 68 places, Church Street among them. We also work in Chelmsford, about 21 miles from Church Street.

All of ME3 is covered for window mastic, from the main roads to the quietest streets. If you’re just outside Church Street, we cover Lower Higham (1 mile south), Cliffe Woods (1 mile east), Mockbeggar (2 miles south-east), Higham (2 miles south) and Cliffe (2 miles north-east). Larger places within reach include Gillingham (7 miles south-east), Chatham (6 miles south-east), Rochester (4 miles south), Rainham (8 miles south-east), Strood (3 miles south) and Luton (6 miles south-east).

Near you in Church Street

In Church Street, that means homes and buildings near The Chequers pub. The closest station to Church Street is Higham station, about 0.9 miles south. Other landmarks nearby include Upnor Castle (3.4 miles south-east) and Huguenot Museum (3.8 miles south-east). For a walk, there’s Gad's Hill and Rede Common.

Map of Church Street © OpenStreetMap contributors

Surface 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 that is a job for a joiner.

Window sills

Sills catch the water running down the glass, so the joints at each end and underneath matter. Each is cleaned out and resealed.

When to call us in Church Street

Joints that are too thin or too deep fail early. A thin smear across a wide gap has nothing to it, and a gap filled solid cannot flex. Backing rod sets the right depth.

Look out for any of the following:

  • Water coming in at the bottom corners of a door
  • Gaps left after new windows were fitted
  • Cracked or shrunken mastic around the frame
  • Mastic that is falling out in pieces

If you let a flat or house near Higham station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.

Questions to ask before you book

  • What happens if the job turns out different
  • When the joint can take water or movement
  • Are they insured?
  • The length of the guarantee

Our hiring checklist

FAQs for Church Street

Is window mastic in a coastal place like Church Street any different?

Near the sea, outside joints face more wind, rain and salt than they would inland, so preparation and the right sealant matter all the more. Walls facing the sea are normally the first to need attention.

Can you help a landlord with a rental near Higham station?

Yes, we work for landlords and agents. You can phone 0345 464 0079 or drop us an email with the address and a few details, and we’ll give you a fixed price before any work starts.

Should I try DIY first?

That depends on the joint. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.

Can you match the sealant to my frames?

Yes, we choose a colour to suit the frame. Anthracite grey, black, brown and white cover most frames, with clear as an option.

Where are you based?

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

Do you have insurance?

Yes. We’re fully insured.

How long before the joint can be used?

Most sealants are touch-dry well before they’re fully cured. We will give you the cure time for the product we used.

What sealant do you use?

Each joint gets the product that suits it. Where it moves, gets wet or faces the weather makes a difference, and we’ll explain our choice.

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