Medway · England
Sand Mastic in Church Street
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for homes and businesses in Church Street and across Medway. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Silicone on a period window that looks wrong
- Tired mastic found when preparing windows for paint
- Gaps round a timber door in stone or brick
Why it’s worth doing now in Church Street
New mastic over crumbling mastic will not hold. We remove the loose material first so the new work lasts. 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.
Instead of a standard rate, we price the job in front of us: the amount of work, the old material and the access. You will know the price before we begin.
Why choose Mr Mastic in Church Street
- A 12-month guarantee on all work
- Homes, businesses and hotels
- We are fully insured
- Any old sealant cut out fully, not covered over
Sand mastic in Church Street, done properly
We renew sand mastic around sash windows and doors set in stone or brick. Out comes the old, loose mastic, the joint is prepared and new mastic is shaped by hand. If you’re dealing with gaps where the frame meets the masonry and cracked mastic round a front door frame, we can put it right, whatever the surface.
Outdoor sealant needs dry, clean surfaces, so work on frames around Church Street is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we will sort it.
- Where
- Church Street (ME3)
- Region
- Medway
- Cover
- A year, on every job
- Quote
- A clear price before we start
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Nearby places to Church Street
Also in Church Street
What affects the quote in Church Street
The quote reflects the job in front of us. We take into account:
- The number of rooms or windows
- The number and length of the joints
- Which sealant suits the joint
- Any working-time requirements on site
The cost reflects the work involved, not guesswork. That’s why we ask about the job first.
What to tell us for a quote
You don’t need to know the technical terms. It helps if you can tell us:
- Pictures of the joints, sent by email
- Where the job is, and your postcode
- Access, such as stairs, a lift or height
- Whether it has been sealed before
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and add photos by email if you can.
When it isn’t the sealant
In fairness, there are a few things sealant will not fix:
- Masonry that needs repairing
- Whether work needs listed building consent
- Broken panes
Not sure which it is? You can call 0345 464 0079 or send us an email and we’ll tell you honestly before you book.
Joints and surfaces we work on
- Brick reveals
- Tenement windows
- Timber door frames
- Stone surrounds
- Sash and case windows
- Period & listed homes
Church Street: your questions answered
Does the coastal weather in Church Street affect outside sealant?
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. It’s worth checking the walls that face the sea first.
I let a flat near Higham station. Can you help?
Yes. We work for landlords and letting agents as well as homeowners, and several properties can go on one quote. Just phone 0345 464 0079 or email us with the address and what needs doing, and we will give you a clear quote.
What should I tell you?
Where the job is, what the problem is and roughly how big it is. If you can, email a few photos.
Is the work guaranteed?
Every job comes with our 12-month guarantee.
What sealant do you use?
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.
Can you replace silicone on a period window with sand mastic?
Yes, it’s a common request. All the old silicone is removed first so the mastic can sit properly.
Which is right for my windows, sand mastic or modern sealant?
That depends on your windows. On many period windows, sand mastic looks right and suits the building and newer frames normally get a flexible sealant.
Do you take out the old sealant first?
Always. Sealing over the old bead is the commonest cause of early failure, so we never do it.
Surface by surface
Tenement and terrace windows
In shared buildings, the windows may be part of a wider repair so it’s worth checking responsibilities.
Brick reveals
Loose mastic comes out and deep gaps are packed before pointing.
When to call us in Church Street
Decorating can disturb tired mastic. Many people find it crumbling when they prepare the windows, which is a good time to renew it.
Look out for any of the following:
- Cracked mastic round a front door frame
- Draughts and rain around sash boxes
- Silicone on a period window that looks wrong
- Window mastic to renew ahead of painting
Rented homes near Higham station change hands often, and cracked sand mastic around sash windows lets in the draughts tenants complain about.
Before you book anyone
- Whether they seal over old material or remove it
- What the cure time is
- What happens if the job turns out different
- Whether VAT is included
Frames and glazing around Church Street
Church Street is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on the mastic around older windows and doors, especially on the side facing the sea. With historic houses such as Temple Manor (about 3.6 miles south) nearby, there’s older building stock in the area around Church Street 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’s traditional sand mastic.
For site and facilities teams at buildings such as Higham Primary School, its window and door frames need their mastic kept sound, just like a home’s. In the older streets around St Mary's Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Church Street is about 4 miles north of Rochester, in Medway. Anywhere in ME3, we can carry out sand mastic at your property. Our area takes in 68 places across Medway. Our Chelmsford page covers work nearby, about 21 miles away.
Postcode districts we cover here for sand mastic: ME3. We also cover the places around Church Street: 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). Within a short drive, we also cover 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).
Around Church Street
Around Church Street, our work takes us to homes and buildings near The Chequers pub, among other places. The nearest railway station is Higham station, roughly 0.9 miles south. Other landmarks nearby include Upnor Castle (3.4 miles south-east) and Huguenot Museum (3.8 miles south-east). The countryside around Church Street includes Gad's Hill and Rede Common.
How to look after the new joints
Looking after new joints is easy:
- Keep sills and gutters clear so water drains away
- Sort the mastic before the decorators arrive
- Leave the new mastic unpainted
- Take care around the mastic when scraping paint
Do not run silicone over the new mastic. If anything cracks, get it looked at before trying a quick fix.
Gaps round a sash box let in draughts and rain. Left, the gap tends to get bigger as more mastic falls out.
What happens on the day
Good joint work is mostly preparation, and we do not rush it. Every joint is cleaned and dried before new material goes in. All told, the work takes a few hours for a single window, longer for several. Somewhere as small as Church Street, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- First we agree which joints need doing.
- We remove the old, loose mastic.
- Deep gaps are packed so the mastic sits at the right depth.
- We apply the mastic by hand and shape it.
- The surface is finished to suit the stone or brick.
Preparing for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Keep pets and children clear of the area while we work
- Mention any leaks or damp you’ve noticed
Getting a quote
There’s no standard price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or drop us an email.