Kent · England
External & façade joints in Mount Pleasant, Kent
External mastic in Mount Pleasant from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Failed seals between different materials
- Joints pointed up with cement by mistake
- Moss and dirt in joints with no sealant left
About our external mastic in Mount Pleasant
We cut out failed sealant, set the joint depth with closed-cell backing rod and reseal with a low-modulus exterior sealant. The colour is chosen to suit the brick or render. If you are dealing with weeds or debris growing in open joints and old sealant gone brittle and cracked, we can put it right, whatever the surface.
Around Mount Pleasant, older buildings can be stone, brick or timber-framed, many with extensions added later. Where one material meets another is where water generally gets in.
Every job is covered by a one-year guarantee, wherever you are in Kent.
- Where
- Mount Pleasant (CT12)
- Region
- Kent
- Cover
- 12 months on all our work
- Quotes
- A clear price before we start
- Call
- 0345 464 0079
- Last updated
- 26 October 2026

Landlords, agents and businesses in Mount Pleasant
If you manage several properties in or around Mount Pleasant, jobs at different addresses can go on one quote. Send us the addresses and the work at each.
Whether it’s one flat or a portfolio, you get the same standard of work: old sealant fully removed, joints prepared properly and a one-year guarantee.
Do you need external mastic in Mount Pleasant?
Many joints fail because they were sealed too deep or with nothing behind them. If the sealant sticks to the back as well as the sides, it can’t stretch and rips as the joint opens.
Keep an eye out for these signs:
- Moss and dirt in joints with no sealant left
- Sealant pulling away from one side of the joint
- Water getting into walls through failed joints
- Movement joints filled with mortar instead of sealant
Rented homes near Minster station change hands often, and failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Comparing quotes
- Is the old sealant removed completely?
- What the quote includes, VAT included or not
- The length of the guarantee
- Who does the work, and how experienced they are
Common questions in Mount Pleasant
Is external mastic in a coastal place like Mount Pleasant any different?
Near the coast, wind-driven rain and, nearer the shore, salt air make outside sealant work harder. Choosing the right sealant for the frame and wall, laid at the right depth, helps it last.
Do you work for landlords with property near Minster station?
Yes, rental work is part of what we do. Just call 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear quote.
Can you seal joints between two different materials?
Yes. Materials like render, brick, metal and uPVC all move differently, so the joint between them must be flexible. The sealant is matched to both sides.
What colours does the sealant come in?
We aim for a joint that suits the wall rather than one that jumps out. We’ll talk through colour options before any work starts.
Where is Mr Mastic based?
Our base is Crawley. Our area covers South East England, London and Scotland.
Do you cover Mount Pleasant?
Yes. We are based in Crawley and work across South East England, London and Scotland, and that includes Mount Pleasant.
Is it worth trying it myself?
You can, for simple jobs. The key is preparation: remove all the old material and work on a clean, dry joint. We can always put it right if it fails.
When will the joints need doing again?
It varies with how exposed the wall is and how much the joint moves. Signs to watch for are cracking, hardening and gaps at the edges and have them redone then.
The process
Every visit runs the same way: we check the joints, mask and protect the surrounding surfaces, carry out the job and tidy away. Most jobs take a few hours for a handful of joints, longer for a whole elevation. In a small place like Mount Pleasant, access is normally the main thing to plan. 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.
Before we arrive
- Mention if the joints have been sealed before
- Mention any leaks or damp you’ve noticed
- Tell us if parking is tricky
Get a quote
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints.
Related advice
What external mastic looks like in Mount Pleasant
Mount Pleasant is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. Both are hard on movement joints and outside wall joints, which can dry out and crack sooner where a building faces the weather. Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
For site and facilities teams at buildings such as Minster Church of England Primary School, movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. Homes close to St Mildreds Church include some older properties, and an extension built onto an older house moves differently, and the joint between them takes the strain.
Mount Pleasant is about 4 miles south-west of Margate, in Kent. Homes, rented property, offices and hotels in Mount Pleasant can book us for external mastic. The work is guaranteed for a year. Across Kent, we cover 922 places, Mount Pleasant among them. Chelmsford is on our list too, around 45 miles away.
We cover every part of CT12 for external mastic and the streets around it. We also cover Way (1 mile south-east), Acol (1 mile north), Minster (1 mile south-west), Sevenscore (2 miles south-east) and Manston (2 miles east). Within a short drive, we also cover Canterbury (11 miles south-west), Margate (4 miles north-east), Dover (14 miles south), Ramsgate (4 miles east), Broadstairs (5 miles east) and Whitstable (12 miles west).
Landmarks near Mount Pleasant
In Mount Pleasant, that means homes and buildings near King Ethelbert School and The Bell Inn, among other places. The nearest railway station is Minster station, roughly 1.1 miles south of the centre. A little further out are Westwood Cross (3.5 miles east) and RAF Manston History Museum (1.4 miles east). Green spaces nearby include Sandwich and Pegwell Bay.
What happens if it’s left?
It often makes sense to reseal all the failing joints on an elevation together. They’ve weathered the same way and it means sorting access once. Where a wall is exposed, as many are in small places like Mount Pleasant, wind-driven rain gets into any failed joint, and damp in older walls is slow to dry out.
What you pay reflects the work, not a rough estimate. That is why we ask about the job first and agree the price before starting.
Why choose Mr Mastic in Mount Pleasant
- Colour picked to suit the job
- More than 20 years in sealant work
- Colour agreed with you before work begins
- Full insurance on every job
See our cost guide and what customers say.
Can I do it myself?
A DIY attempt does not rule out a professional job. We remove it and do the joint properly.
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
How we quote for external mastic
There’s no set price list. What we look at:
- The size of the job
- Any working-time requirements on site
- Whether there’s mould to deal with
- Which sealant suits the joint
There are no prices on our website, because the cost depends so much on the job itself. For a quick quote, please phone 0345 464 0079 or email us and we will talk you through it.
Helping us quote
To make quoting easier, please include:
- Pictures of the joints, sent by email
- Roughly how big the job is
- How we’d reach the joints
- The type of property
Call for a quick quote, or email us if that is easier. Tell us about the joints that need doing and we will explain what’s involved and give you a clear quote.
Towns and villages near Mount Pleasant
Other services in Mount Pleasant
Looking after it afterwards
To keep the joints looking good and working properly:
- Deal with leaking gutters that soak the joints below
- Wash walls gently around the sealant
- Have failed joints looked at early
- Ask before painting over external sealant
Don’t let soil, plants or ivy build up against the new joints. Damp material against the sealant shortens its life.
Leaks behind façade panels and render often go unseen. By the time there’s a damp patch, the damage can be well established so early resealing is worth it.
