Medway · England
Church Street External Mastic
Professional external mastic in and around Church Street, with old sealant always removed completely.
- Weathered mastic that no longer stretches
- Joints with sealant missing in places
- Gaps where render, brick and frames meet
External mastic in Church Street, done properly
Ground-floor and low-level joints are straightforward to reach. For joints higher up, give us some details of the building and we will confirm what access is needed. We are often asked to deal with joints where the bead has come unstuck and panel joints letting water in, on façade panels, joints between brick and frames and copings & trims.
In a village or hamlet like Church Street, older cottages and farm buildings often stand in the open, where walls and rooflines take the weather head on. Joints on those walls need a sealant that moves with the building and stays in place.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Where
- Church Street (ME3)
- Wider area
- Medway
- Guarantee
- A year, on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Work for landlords, hotels and businesses
For anyone letting property in or around Church Street, jobs at different addresses can go on one quote. Just tell us the addresses and what each one needs.
We work for landlords and letting agents as well as homeowners. Sealant work between tenants keeps a property looking cared for.
Different surfaces, different methods
Render joints
Cracks along render joints let water in behind the coat. Resealing the joints early keeps water out and helps it last.
Copings and trims
Joints in copings, parapets and trims are exposed to the worst of the weather. Each is resealed with a weatherproof, flexible sealant.
Can I do it myself?
A DIY attempt doesn’t rule out a professional job. We cut it out and start again, so just mention it when you contact us.
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and the joint depth matters as much as the finish.
Aftercare tips
A little care helps the new joints last. We recommend:
- Ask before painting over external sealant
- Check external joints each spring
- Point out the joints to other trades
- Wash walls gently around the sealant
Do not paint over the new sealant unless we have said the product is paintable. Many exterior sealants are not designed to be painted.
Gaps, plants or missing sealant in a joint are worth getting looked at. Earlier resealing means a smaller job and a better result.
Why deal with it now?
A low-modulus sealant is chosen because it moves without pulling hard at the edges. That protects surfaces like brick, render and concrete. A stiffer product can damage the joint edge as it fails. Around Church Street, older homes often have timber in their floors and frames, where water from a failed joint can cause rot if it’s left.
The cost depends on the size of the job, how hard the old material is to remove and access to the work. We give a clear quote before work begins.
What you get with us
- Anti-fungal sanitary silicone in wet areas
- White, clear, grey or coloured to suit, where the product allows
- More than 20 years in sealant work
- Domestic, commercial and hotel work
Read our cost guide and customer reviews.
What happens on the day
You don’t need to clear the whole room or building, just the space around the work. We protect the rest, and the job takes a few hours for a handful of joints, longer for a whole elevation for a typical job. Somewhere as small as Church Street, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We look at every joint and agree a colour to suit the wall.
- We take out the old sealant until the faces are sound.
- Closed-cell backing rod is pushed in so the sealant bonds to two sides only.
- Primer is applied wherever the sealant needs it.
- We gun in low-modulus sealant and tool it neatly.
Getting ready for the visit
- Let us know if you’ve seen damp or leaks
- Mention if the joints have been sealed before
- Mention any parking rules near the property
How to get a quote
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we’ll explain how we’d tackle it. Whenever you are ready, call 0345 464 0079 or email us.
Advice
What external mastic looks like in 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. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces the weather. Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
If you let a flat or house near Higham station, split movement joints are easy to miss on a rental until damp shows inside. For an older house near a landmark such as St Mary's Church, older walls, gutters and the joints where extensions meet them need a flexible sealant. If you look after a building such as Higham Primary School, movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Church Street is about 4 miles north of Rochester, in Medway. If you need external mastic in Church Street, please ring 0345 464 0079 or drop us an email for a quick quote. We are based in Crawley and cover Medway, Church Street included. Church Street is one of 68 towns and villages in Medway where we work for external mastic. For nearby work, see our Chelmsford page.
All of ME3 is covered for external mastic. 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). We also work in nearby towns such as 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).
Landmarks near Church Street
Locally, jobs take us to homes and businesses close to The Chequers pub and the streets around them. The closest station to Church Street is Higham station, roughly 0.9 miles south of the centre. Nearby you will also find 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.
Towns and villages near Church Street
What else we do in Church Street
What sealant work cannot fix
We’ll always be straight with you, so here’s what sealant cannot fix:
- Cracks in the bricks or render themselves, away from the joints
- Loose or hollow render, which needs re-rendering
- Walls that need new movement joints cut into them
If in doubt, ring 0345 464 0079 or email us and we’ll say what we think before booking.
Surfaces we seal
- Copings & trims
- Brickwork movement joints
- Façade panels
- Joints between brick and frames
- Concrete & block
- Render & cladding joints
Church Street questions
Is Church Street within the area you cover?
Yes. Church Street is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Can you help a landlord with a rental near Higham station?
Yes. We work for letting agents and landlords as well as householders, and several properties can go on one quote. Just ring 0345 464 0079 or drop us an email with the address and what needs doing, and we will send you a clear quote.
Do you seal joints where cladding meets other materials?
Yes. Where different materials meet is one of the most common joints we seal. The sealant is chosen to bond to both sides.
How long does the job take?
It depends on the size of the job, but as a guide it takes a few hours to a few days, depending on the length of joint and the access. We’ll give you a better idea when we quote.
Can I add another job to the visit?
Yes. Several rooms, windows or areas can go on one quote.
Do you have insurance?
Yes. We’re fully insured.
Do you hold any approvals?
Yes. We’re approved under the ARBOMaster scheme, the approved applicator scheme for Arbo sealants.
Will it make a mess?
No. The area is protected while we work and cleaned up afterwards.