Kent · England
External Mastic in Godden Green
Sealing brickwork movement joints, render, cladding and façade joints for householders, landlords and businesses in Godden Green. Fully insured, ARBOMaster approved and guaranteed for a year.
- Brick movement joints where the sealant has split
- Weeds or debris growing in open joints
- Panel joints letting water in
External mastic in Godden Green, done properly
On houses, flats and commercial buildings across Godden Green, we reseal joints in brickwork, render, cladding and façade panels. The preparation is the same whatever the wall: clean joint faces and the right depth. We work on façade panels, copings & trims and brickwork movement joints, and common reasons people get in touch are panel joints letting water in and plants rooting in failed movement joints.
In a village or hamlet like Godden Green, 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.
We guarantee the work for a year. If there’s a problem with our work within the year, let us know and we will sort it.
- Place
- Godden Green (TN15)
- Wider area
- Kent
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Common questions in Godden Green
Can you help a landlord with a rental near Bat & Ball station?
Yes, landlords and agents are among the people we work for. You can call 0345 464 0079 or drop us an email with the details for a clear quote.
Is Godden Green within the area you cover?
Yes. Godden Green is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Will you leave a mess?
Tidy work is part of the job. Nearby surfaces are protected.
When will the joints need doing again?
That depends on the wall, the weather and the movement. Signs to watch for are cracking, hardening and gaps at the edges, and reseal at that point.
Will there be a smell?
It depends on the product. Some products have a noticeable smell, others very little, and any smell fades as they cure.
Do you do commercial work?
Yes. Hotels, offices and other businesses use us.
Can new sealant go over the old?
No, because it fails. We remove every bit of old sealant first, so the new joint bonds to clean surfaces.
Are you fully insured?
Yes. Mr Mastic is fully insured, and we have been doing sealant work for more than 20 years.
Surface by surface
Render joints
Rendered walls have joints at beads, openings and changes of material. They’re resealed in a sealant that suits the render.
Concrete and blockwork
Concrete and block walls shrink as they dry and move with temperature. Their movement joints are sealed over backing rod with a flexible sealant.
The process
There is not much for you to do on the day. Show us the job and we will take it from there. The work itself takes a few hours for a handful of joints, longer for a whole elevation. For a village or hamlet like Godden Green, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- Each joint is checked and the colour of the new sealant agreed.
- We take out the old sealant until the faces are sound.
- Backing rod goes in so the sealant can stretch between the two faces.
- Primer is applied wherever the sealant needs it.
- We gun in low-modulus sealant and tool it neatly.
How to prepare
- Move anything stored near the joints
- Mention any leaks or damp you’ve noticed
- Let us know about earlier repairs to the joints
Getting a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job. Whenever you are ready, phone 0345 464 0079 or email us.
Read more
Signs you need external mastic in Godden Green
UV, rain and frost all age exterior sealant. In time it goes hard, crazes on the surface and stops stretching, so the joint eventually tears or comes away from one side.
Most people get in touch when they notice one of these:
- Sealant pulling away from one side of the joint
- Damp patches traced to an open external joint
- Moss and dirt in joints with no sealant left
- Leaking joints around cladding and façade panels
Letting a property close to Bat & Ball station? Then split movement joints are easy to miss on a rental until damp shows inside.
Questions to ask before you book
- How the joint is cleaned and prepared
- Whether they’re fully insured
- Whether you can choose the colour
- What guarantee comes with the work
Godden Green buildings and the weather
London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. Historic houses like Knole House (about 1 mile south-west) are a reminder that the area around Godden Green has older buildings as well as new. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material.
Knole House, about 1 mile south-west, is one of the historic houses in the wider area around Godden Green, and older homes nearby need a sealant that suits their walls. If you look after a building such as Sevenoaks Preparatory School, its movement joints, gutters and trims need looking after like any other building’s.
Godden Green is about 2 miles east of Sevenoaks, in Kent. Across the TN15 area, our applicators can take on external mastic. Across Kent, we cover 922 places, and Godden Green is one of them. You can also see our page for London, roughly 21 miles from Godden Green.
All of TN15 is covered for external mastic. External mastic is available to properties on Park Lane and Back Lane and the roads around them. Neighbouring places we cover for external mastic include Bitchet Green (1 mile south-east), Seal (1 mile north), Stone Street (1 mile east), Greatness (2 miles north-west) and Styants Bottom (2 miles north-east). Larger places within reach include Maidstone (13 miles east), Dartford (12 miles north), Royal Tunbridge Wells (10 miles south), Gravesend (13 miles north-east), Tonbridge (6 miles south-east) and Northfleet (12 miles north-east).
Landmarks near Godden Green
Around Godden Green, our work takes us to homes and buildings near Knole Park and Knole Academy, among other places. The closest station to Godden Green is Bat & Ball station, roughly 1.8 miles north-west of the centre. Well-known places in the area include Kemsing Castle Bank (2.3 miles north) and Sevenoaks Museum (1.3 miles west). Open spaces near Godden Green include Dryhill Nature Reserve.
What affects the quote in Godden Green
You’ll get a clear quote before any work starts. It’s based on:
- The type of sealant required
- The number and length of the joints
- Whether the work is at height
- Working hours on commercial sites
No two jobs are quite the same, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part.
What we need to know
There’s no need for technical detail. Just tell us:
- A few pictures by email, if you can
- Where the job is, and your postcode
- Any previous sealing or DIY work
- Roughly how big the job is
Getting a quote is simple: let us know what needs doing and where. A few photos by email make the job easier to understand, and we will come back to you with a quote.
Also near Godden Green
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Aftercare tips
Joint life depends on how it’s used and looked after. We suggest:
- Act on the first splits you see
- Walk round the building once a year and look at the joints
- Fix overflowing gutters above sealed joints
- Do not let climbing plants root in the sealant
Only paint over the joint if we’ve confirmed the sealant can take paint. Many exterior sealants are not designed to be painted and spoil the finish.
Once a joint cannot move, the wall finds another way, usually as cracking in the brickwork or render nearby. Catch it early and you reduce the risk.
Can I do it myself?
If you’ve already had a go yourself, that is fine. We remove it and do the joint properly.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
Work for landlords, hotels and businesses
In hotels, rooms out of use cost money, so we plan the work room by room. We have worked in hotels as well as homes and businesses.
From a single let to a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a 12-month guarantee.