Kent · England
External & façade joints in Petham, Kent
Sealing brickwork movement joints, render, cladding and façade joints in Petham, with a 12-month guarantee on every job. Call for a quick quote.
- Failed sealant between panels on a façade
- Weathered mastic that no longer stretches
- Failed seals between different materials
Why act early in Petham
Running new sealant over the old bead rarely lasts. New sealant doesn’t bond well to old, weathered sealant, so we always take the old sealant out. Around Petham, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Leaving a failed joint normally makes the job bigger, not smaller, because water and mould keep working on it. If you are not sure whether it needs doing, call 0345 464 0079 or email us for an honest opinion and a quote.
Why choose Mr Mastic in Petham
- Trusted Arbo and Everbuild sealants
- Every job guaranteed for a year
- We agree the colour with you first
- We never seal over old sealant
Read our cost guide or what customers say.
How we handle external mastic in Petham
Many failed façade joints only get noticed once there’s a stain or a damp patch inside. We inspect them, agree which need doing and reseal with a weatherproof, flexible sealant in a colour to suit. We work on concrete & block, render & cladding joints and façade panels, and people most often call us about cracked joints where brick meets render or frames and old sealant gone brittle and cracked.
In a village or hamlet like Petham, older cottages and farm buildings often stand in the open, so walls and rooflines take the full force of wind and rain. Gutter joints and wall joints there need a sealant that can flex and stay put.
All our work comes with our one-year guarantee, wherever you are in Kent.
- Location
- Petham (CT4)
- Wider area
- Kent
- Cover
- 12 months on all our work
- Price
- A clear price before work begins
- Call
- 0345 464 0079
- Updated
- 26 October 2026
When it is not the sealant
Some problems need a builder, plumber or other trade rather than us:
- Subsidence or other structural problems
- Failed render or damaged cladding panels
- Cracked brickwork or render that needs a builder or plasterer
Not sure which it is? You can call 0345 464 0079 or send us an email and we will tell you honestly before you book.
Joints and surfaces we work on
- Joints between brick and frames
- Copings & trims
- Façade panels
- Brickwork movement joints
- Render & cladding joints
- Concrete & block
What we do, step by step
Once we are on site, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. After that, the work takes anything from a few hours to several days, depending on the building. Somewhere like Petham 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.
- First we look over the joints with you, agree which to renew and talk through access.
- The old mastic and anything lodged in the joint is removed.
- Both sides are cleaned back to sound material and primed if needed.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- A flexible exterior sealant is applied and tooled in a colour to suit the wall.
Preparing for the visit
- Plan for the work area to be out of bounds to pets and children
- Let us know about earlier repairs to the joints
- Mention any tricky access
How to get a quote
To get a quote, phone 0345 464 0079 or email us with the location and a short description of the problem. We’ll give you a clear quote before any work starts.
Related advice
Petham buildings and the weather
Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Rented homes near Chartham station change hands often, and split movement joints are easy to miss on a rental until damp shows inside. If you look after a building such as Petham Primary School, larger buildings have long runs of movement joint that eventually need resealing. Homes close to Church of All Saints include some older properties, and older walls, gutters and the joints where extensions meet them need a flexible sealant.
Petham is about 4 miles south of Canterbury, in Kent. We carry out external mastic for householders, landlords and businesses in Petham and the surrounding area, as part of our work across Kent. Our Kent coverage runs to 922 places, Petham among them. Chelmsford is on our list too, around 43 miles away.
Postcode districts we cover here for external mastic: CT4. We cover properties on The Street, Vicarage Hill and Town Road and the roads around them. We also cover the places around Petham: Garlinge Green (1 mile north-west), Lower Hardres (2 miles north-east), Upper Hardres (2 miles east), Anvil Green (2 miles south-west) and Pett Bottom (2 miles east). Larger places within reach include Ashford (10 miles south-west), Canterbury (4 miles north), Dover (12 miles south-east), Folkestone (11 miles south-east), Whitstable (9 miles north) and Deal (15 miles east).
What’s near Petham
For rail, the closest station is Chartham station, roughly 2.6 miles north-west of the centre. Well-known places in the area include Canterbury Castle (3.8 miles north) and Kent and Canterbury Hospital (3.4 miles north-east). Open spaces near Petham include Blean Woods RSPB Reserve.
Work for landlords, hotels and businesses
We work for landlords and letting agents as well as householders. Sealant work between tenants keeps a property looking cared for before the next move-in.
Hotels need rooms back in use, so we plan the work room by room. We’ve worked in hotels as well as homes and businesses.
Aftercare tips
To keep the joints looking good and working properly:
- Keep water from gutters off the wall
- Tell anyone working on the walls about the movement joints
- Don’t let climbing plants root in the sealant
- Keep movement joints as flexible joints, not mortar
Keep the joints clear of soil, plants and climbing growth. Damp material against the sealant shortens its life.
Water getting behind cladding or render can go unnoticed for a long time. When it finally shows inside, the joint may have been open for years so early resealing is worth it.
Should I try it myself first?
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and doesn’t move well, and getting the depth right matters as much as the look.
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly.
Petham questions
I let a flat near Chartham station. Can you help?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. You can ring 0345 464 0079 or drop us an email with the details for a clear quote.
Will you come out to Petham?
Yes, Petham 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.
How do you reach high-level joints?
It depends on the height and the site. Ground-floor joints are simple; for higher ones, send details and we’ll confirm the access.
Can I add another job to the visit?
Yes. Tell us about everything you’d like done and we’ll quote it together.
What is backing rod for?
Closed-cell backing rod sets the depth of the sealant and stops it sticking to the back of the joint. That way it bonds to the two sides only and can stretch.
How do I get a quote for external mastic in Petham?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. You’ll get a clear quote before we start.
Are you insured?
Yes. We’re fully insured for domestic and commercial work.
When is the sealant fully cured?
Most sealants are touch-dry well before they’re fully cured. We will give you the cure time for the product we used.
Nearby places to Petham
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What affects the quote in Petham
We don’t publish a price list, because jobs vary so much. The quote depends on:
- The amount of work
- Whether old sealant or filler has to be cut out
- The type of sealant required
- The number of rooms or windows
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed. Call for a quick quote and we’ll explain what it covers.
Helping us quote
When you contact us, these details help:
- What the problem is, such as mould, gaps, leaks or cracking
- How we’d reach the joints
- Where the property is
- The rough size of the job
For external mastic in Petham, ring 0345 464 0079 or email us. A short description of the job and where it is helps us quote, and you will get a clear quote before any work starts.