Kent · England
External & façade joints in Park Farm, Kent
Our applicators work in Park Farm on sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly.
- Joints pointed up with cement by mistake
- Joints with sealant missing in places
- Sealant that has lost its bond to the brick or render
How we handle external mastic in Park Farm
We are ARBOMaster approved applicators, and each external joint gets a sealant suited to it. Porous or awkward surfaces are primed where the sealant needs it and we use one wherever it does. If you have old sealant gone brittle and cracked and weeds or debris growing in open joints, we can put it right.
Homes around Park Farm range from older cottages to newer houses, with walls and rooflines of every type. Older homes need their gutter and trim joints kept tight, newer ones their movement joints.
Each job carries a 12-month guarantee, large or small.
- Location
- Park Farm (TN23, TN25)
- Wider area
- Kent
- Guarantee
- A year, on every job
- Quotes
- A clear price before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026

How the job changes by surface
Joints between dissimilar materials
Joints where frames, sills or panels meet the wall are common leak points. We cut out the old sealant and reseal with a product suited to both surfaces.
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.
What we do, step by step
We bring everything the job needs with us, so there’s nothing for you to buy. After a quick look at the joints together, the area is protected and the work begins. Most jobs take a few hours for a handful of joints, longer for a whole elevation. Parking around Park Farm is generally easier than in a town centre, but mention any lanes, gates or long drives. For outside work, side access and the height of the joints help us plan.
- First, the joints are inspected and the access agreed.
- We cut out the old mastic and rake out anything in the joint.
- The faces are brushed clean and primed where the product requires it.
- Backing rod sized to the joint goes in to set the depth.
- We apply the sealant, tool it and check the whole run.
How to prepare
- Keep children and pets away from the work area
- Mention any tricky access
- Tell us about any previous sealing or DIY attempts
Ask for a quote
Getting a quote is simple: let us know the job and the location and its rough size. A few photos by email make the job easier to understand, and we’ll come back to you with a quote.
Related advice
Landlords, agents and businesses in Park Farm
Mouldy or split sealant often shows up at the end of a tenancy. We can quote for more than one property at once.
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we’ll give you a quote.
How we quote for external mastic
We don’t publish a price list, because no two jobs are the same. What we look at:
- Whether old sealant or filler has to be cut out
- Which sealant suits the joint
- How many areas need sealing
- How much there is to do
A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. Your quote takes all of that into account.
Helping us quote
When you call or email, these details help:
- Where the job is, and your postcode
- Photos by email, if that’s easy
- If someone has resealed it before
- How we’d reach the joints
Want a quote for external mastic? Please phone 0345 464 0079 or drop us an email and tell us about the job. We will explain what we’d do and give you a clear price before we start.
Can I do it myself?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.
Signs you need external mastic in Park Farm
Joints sealed without backing rod, or far too deep, rarely last. Sealant bonded to three sides has nowhere to go and tears as soon as the joint widens.
Keep an eye out for any of the following:
- Brick movement joints where the sealant has split
- Movement joints filled with mortar instead of sealant
- Gaps where render, brick and frames meet
- Sealant pulling away from one side of the joint
Letting a property close to Ashford International station? Then split movement joints are easy to miss on a rental until damp shows inside.
What to look for in a quote
- Whether all the old sealant comes out first
- How the joint is cleaned and prepared
- How much experience the applicator has
- How hidden problems are handled
Also near Park Farm
More services for Park Farm
What external mastic looks like in Park Farm
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. With historic houses such as Godinton House (about 3.1 miles north-west) nearby, there’s older building stock in the area around Park Farm as well as newer homes. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material.
For site and facilities teams at buildings such as Kingsnorth Church of England Primary School, larger buildings have long runs of movement joint that eventually need resealing. In the older streets around Church of St Michael, older walls, gutters and the joints where extensions meet them need a flexible sealant.
Park Farm is about 1 mile south of Ashford, in Kent. From the centre of Park Farm to the outskirts, we cover external mastic for every kind of property, from flats and houses to offices and hotels. Park Farm is one of 922 towns and villages in Kent where we work. Our Crawley page covers work nearby.
Work in TN23 and TN25 works the same way as everywhere else we cover. That includes homes and businesses on Hawthorn Road, Snowbell Road and Redberry Road and the roads around them. Close by, we work in Kingsnorth (1 mile south-west), Newtown (1 mile north-east), Stanhope (1 mile north-west), South Willesborough (1 mile north-east) and Finberry (1 mile east). We also work in nearby towns such as Canterbury (14 miles north-east), Folkestone (13 miles east), Faversham (13 miles north), Hythe (10 miles east), Davington (14 miles north) and Preston (13 miles north).
Near you in Park Farm
Typical jobs here are in homes near John Wallis Academy, Queen's Head Public House and Ashford Green Corridors. The nearest railway station is Ashford International station, roughly 1.5 miles north. A little further out are William Harvey Hospital (2.4 miles north-east) and Ashford Designer Outlet (1.1 miles north). The countryside around Park Farm includes Orlestone Forest.
Questions from Park Farm
Do you cover Park Farm for external mastic?
Yes, Park Farm is within the area we cover. We work across London and the South East. You can ring 0345 464 0079 or send us an email and tell us what needs doing.
Do you work for landlords with property near Ashford International station?
Yes. We work for letting agents and landlords as well as householders, and several properties can be quoted together. You can call 0345 464 0079 or drop us an email with the details for a clear quote.
Should I point up the gap in my brickwork?
No. Cement or mortar cannot stretch. If it has already been filled, we can generally cut it out and reseal it.
What does external mastic cost?
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 any work starts.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned before resealing.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we will tell you what we’re using.
Can you reach joints on upper floors?
That depends on how high the joints are and the ground below. Low-level joints are straightforward; for higher ones, send details and we will confirm the access.
How long does external mastic take?
As a guide, most jobs take anything from a few hours to several days, depending on the building. Bigger jobs take longer, and we’ll tell you how long to expect.
What happens if it’s left?
Water gets in through a failed movement joint, behind render and cladding. Resealing early keeps the job to the joint itself, instead of the wall and finishes around it. In a smaller place like Park Farm, wherever a wall is exposed, a failed outside joint is a real source of damp. Inside, a split seal lets water into floors and panels just as it would anywhere.
Doing several joints on one visit normally makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. We’ll give you a clear price for the lot.
Why choose Mr Mastic in Park Farm
- Sanitary silicone with an anti-fungal additive in wet areas
- Quality sealants from Arbo and Everbuild
- Sealant colour chosen to suit
- You choose the colour before work begins
See our cost guide or our reviews.
