Kent · England
External & façade joints in Otford, Kent
Our applicators work in Otford on sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and a 12-month guarantee.
- Water getting into walls through failed joints
- Weeds or debris growing in open joints
- Rigid filler in a joint that should flex
External mastic in Otford, done properly
On houses, flats and commercial buildings across Otford, we reseal joints in brickwork, render, cladding and façade panels. The preparation is the same whatever the wall: clean, sound faces and a controlled depth. We work on copings & trims, joints between brick and frames and brickwork movement joints, and the jobs we see most are failed seals between different materials and sealant pulling away from one side of the joint.
Houses in smaller places like Otford can stand more in the open than those in a built-up town, so exposed walls and rooflines take more wind-driven rain. That’s where gutter joints and wall joints tend to fail first.
The work is guaranteed for twelve months. If something isn’t right with it in that time, tell us and we’ll put it right.
- Where
- Otford (TN14)
- Wider area
- Kent
- Cover
- A year, on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Work for landlords, hotels and businesses
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. We can quote for more than one property at once.
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
How it works
At the end, we look at the finished work together and tell you how long to leave it. The visit itself generally takes a few hours for a handful of joints, longer for a whole elevation, depending on how much there is to do. Parking around Otford is generally easier than in a town centre, but mention any lanes, gates or long drives. If the job is outside, tell us about side access and how high the joints are.
- We start by walking round the building and agreeing the joints and the access.
- 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.
Preparing for the visit
- Let us know about earlier repairs to the joints
- Keep children and pets away from the work area
- Try not to wet indoor joints just before the visit
Getting a quote
Every job is quoted individually. Simply phone 0345 464 0079 or drop us an email and describe the job and send photos if you have them.
Advice
Different surfaces, different methods
Render joints
Render has movement joints and stop beads that need sealing. They’re resealed in a sealant that suits the render.
Cladding and façade panels
Panel systems often rely on sealant between and around the panels. Each joint gets a sealant that suits the panel and its movement.
Why act early in Otford
A properly done movement joint is an even line in a colour that suits the wall. A rushed bead with no backing looks untidy and doesn’t last so it’s worth doing right. Around Otford, water from a failed joint in an older home can soak into timber and plaster, which is far harder to put right than the sealant itself.
Combining jobs into one visit generally makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. We will give you a clear quote for the lot.
What you get with us
- A 12-month guarantee on all work
- 20+ years of sealant experience
- Domestic, commercial and hotel work
- We leave the area clean and tidy
How to look after the new joints
After the cure time, these simple habits help:
- Act on the first splits you see
- Walk round the building once a year and look at the joints
- Don’t let climbing plants root in the sealant
- Check the sealant is paintable before painting near it
Have a quick look at the joints each spring. Splits, gaps at the edges or plants in the joint are early warning signs.
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.
Nearby places to Otford
What else we do in Otford
Quotes for external mastic in Otford
The price is agreed before any work begins. It takes into account:
- Any working-time requirements on site
- Whether there’s mould to deal with
- The size of the job
- The type of sealant required
What you pay reflects the work, not guesswork. That’s why we ask a few questions first and agree the price before starting.
Helping us quote
Photos help, but a description is a good start. Please mention:
- If someone has resealed it before
- The rough size of the job
- The type of property
- What’s wrong with the joints now
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we’ll talk you through the work before giving you a price.
What sealant work can’t fix
We’ll always be straight with you, so here’s what new sealant will not do:
- Failed render or damaged cladding panels
- Walls that need new movement joints cut into them
- Subsidence or other structural problems
Not sure which it is? You can ring 0345 464 0079 or send us an email and we will tell you honestly before you book.
Where we work in Otford
- Copings & trims
- Concrete & block
- Render & cladding joints
- Joints between brick and frames
- Façade panels
- Brickwork movement joints
FAQs for Otford
Is Otford within the area you cover?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Do you cover Otford for external mastic?
Yes, Otford is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or email us with a few details of the job, and we’ll give you a clear quote.
Will there be a smell?
Some sealants have a smell while they cure, but it fades. Ventilation helps.
Are you insured?
Yes. We’re fully insured, and we’ve been doing sealant work for more than 20 years.
How do I get a quote for external mastic in Otford?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
Is the work guaranteed?
Yes: twelve months. If anything is not right with the work within the year, let us know and we’ll sort it.
Do you work for letting agents?
Yes, often. Several properties can be quoted together.
Do you hold any approvals?
Yes. We are ARBOMaster approved, the scheme for applicators of Arbo sealants.
Walls and rooflines in Otford
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. With historic houses such as Knole House (about 3.2 miles south) nearby, there’s older building stock in the area around Otford 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.
Letting a property close to Otford station? Then outside joints that have cracked can let damp into a rental, so check them between lets. For an older house near a landmark such as Church of St Bartholomew, an extension built onto an older house moves differently, and the joint between them takes the strain. For site and facilities teams at buildings such as Otford Primary School, its movement joints, gutters and trims need looking after like any other building’s.
Otford is about 2 miles north of Sevenoaks, in Kent. We provide external mastic to householders, landlords and businesses in Otford and the surrounding area. Across Kent, we cover 922 places, and Otford is one of them. London is on our list too, about 18 miles from Otford.
We work across the TN14 postcode area for external mastic and the streets around it. Whether your property is on Station Road, High Street and Bubblestone Road or a nearby road, we can help. Other places close to Otford include Twitton (1 mile west), Shoreham (2 miles north), Sepham Heath (2 miles north-west), Halstead (3 miles north-west) and Badgers Mount (3 miles north-west). Further out, we also cover Maidstone (15 miles east), Dartford (9 miles north), Royal Tunbridge Wells (13 miles south), Gravesend (12 miles north-east), Tonbridge (9 miles south-east) and Northfleet (11 miles north-east).
What’s near Otford
In Otford, that means homes and buildings near Knole Academy, The Woodman pub and Fackenden Down. Otford has its own railway station: Otford station. A little further out are Kemsing Castle Bank (1.7 miles east) and Otford Heritage Centre (less than half a mile south-east). For a walk, there’s Dryhill Nature Reserve.