Kent · England
External & façade joints in Nash Street, Kent
Sealing brickwork movement joints, render, cladding and façade joints for Nash Street, backed by a one-year guarantee. Ask us for a quote.
- Hard, crazed mastic that has stopped moving
- Brick movement joints where the sealant has split
- Gaps where render, brick and frames meet
Why it’s worth doing now in Nash Street
An open joint keeps letting water into the wall with every downpour. Wet masonry is more easily damaged by frost, so the problem grows beyond the joint itself. Around Nash Street, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Call for a quick quote and we will explain what it covers.
Why Nash Street customers choose us
- More than 20 years in sealant work
- Sealant colour chosen to suit
- Neat joints and a tidy finish
- Colour agreed with you before we start
See our cost guide and our reviews.
How we handle external mastic in Nash Street
Where two different materials meet, such as brick and render or blockwork and metal, they move at different rates. A flexible exterior sealant takes up that movement where mortar or filler would crack. Common call-outs are for rain getting behind render or cladding at a joint and plants rooting in failed movement joints, on render & cladding joints, joints between brick and frames and brickwork movement joints.
In a village or hamlet like Nash Street, older cottages and farm buildings often stand in the open, where walls and rooflines take the weather head on. 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.
- Location
- Nash Street (DA13)
- Wider area
- Kent
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
External mastic in Nash Street: local notes
Historic houses like Cobham College (about 1.8 miles east) are a reminder that the area around Nash Street has older buildings as well as new. Where a home is older, older brick and stone need a sealant that suits them, at the right joint depth. London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Schools such as Istead Rise Primary School are buildings too, and movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. For landlords with property near Meopham station, failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Nash Street is about 3 miles south of Gravesend, in Kent. Wherever you are in the DA13 postcode area, our applicators can take on external mastic. We cover 922 towns and villages across Kent, large and small. You can also see our page for London, roughly 21 miles from Nash Street.
Postcode districts we cover here for external mastic: DA13. Other places close to Nash Street include Round Street (1 mile east), Longfield Hill (1 mile south-west), Meopham (1 mile south), Sole Street (1 mile south-east) and New Barn (1 mile west). Larger places within reach include Maidstone (12 miles south-east), Dartford (7 miles north-west), Sevenoaks (11 miles south-west), Gravesend (3 miles north), Tonbridge (14 miles south) and Northfleet (3 miles north).
What’s near Nash Street
In Nash Street, that means homes and buildings near Meopham School and Jeskyns and the streets around them. The nearest railway station is Meopham station, roughly 0.7 miles south. A little further out are Stone Castle (4.7 miles north-west) and Gravesham Community Hospital (3.2 miles north). For a walk, there’s Sawyers Lake and Gad's Hill.
Towns and villages near Nash Street
Also in Nash Street
Can I do it myself?
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and getting the depth right matters as much as the look.
Nash Street: your questions answered
Will you come out to Nash Street?
Yes. Nash Street is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Do you cover Nash Street for external mastic?
Yes. We work across London and the South East, and Nash Street is part of that. Just ring 0345 464 0079 or send us an email with a few details of the job.
How long does external mastic take?
That depends on how much there is to do, but most jobs take a few hours to a few days, depending on the length of joint and the access. We’ll tell you when we quote.
Can new sealant go over the old?
No. Fresh sealant doesn’t stick to old sealant, and anything trapped underneath, including mould and water, stays there. We remove it all first.
What do you put in the joint?
It depends on the joint: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.
Do you seal joints where cladding meets other materials?
Yes. The old joint is removed, both surfaces cleaned and primed where needed, and a flexible sealant applied. The colour is chosen to suit.
Does someone need to be in?
It depends on the job. Inside work needs someone to give us access, and for outside work we’ll agree access with you when we book.
Do you use backing rod?
Backing rod controls the sealant depth and keeps it off the back of the joint. That way it bonds to the two sides only and can stretch.
How the visit works
We bring everything the job needs with us, so you do not need to buy or prepare anything. After a quick look at the joints together, the area is protected and the work begins. Most jobs take a few hours to a few days, depending on the length of joint and the access. Somewhere as small as Nash Street, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- 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.
- Joint faces are cleaned back and primed if the sealant needs it.
- We fit closed-cell backing rod to control the depth.
- We apply the sealant, tool it and check the whole run.
Before we arrive
- Keep pets and children clear of the area while we work
- Mention any sign-in or site rules at work premises
- Let us know about parking restrictions
Getting a quote
Call for a quick quote, or email us if that’s easier. Tell us about the joints that need doing and we’ll talk you through the work and send you a clear quote.
Advice
Keeping the joints in good condition
How long the joints last depends on use and care. We suggest:
- Point out the joints to other trades
- Act on the first splits you see
- Do not let climbing plants root in the sealant
- Keep water from gutters off the wall
Follow the cure time we give you before the joint is knocked or disturbed. Most exterior sealants skin fast but take longer to cure right through.
If you can see gaps, plants or bare sections in a joint, have it checked. Earlier resealing means a smaller job and a better result.
What affects the cost of external mastic
There’s no set price list, because jobs vary so much. What we look at:
- The product the joint needs
- The number of rooms or windows
- The size of the job
- Whether old sealant or filler has to be cut out
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
What to tell us for a quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- The rough size of the job
- Where the property is
- Whether it has been sealed before
- Whether it’s a home or a business
If you are in Nash Street and need external mastic, call 0345 464 0079 or send us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.
When something else is needed
To be straight with you, some problems need a different trade:
- Cutting new joints into brickwork, which is building work rather than sealant work
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
- Cracking across the wall rather than at a joint
If you’re not sure, just call 0345 464 0079 or email us and we will give you a straight answer before booking.
Joints and surfaces we work on
- Render & cladding joints
- Façade panels
- Concrete & block
- Brickwork movement joints
- Copings & trims
- Joints between brick and frames
When to call us in Nash Street
Some movement joints have been pointed up with mortar. The joint can’t move, so the wall cracks somewhere else instead.
Look out for any of the following:
- Weeds or debris growing in open joints
- Movement joints with cracked, split or missing sealant
- Failed sealant between panels on a façade
- Gaps where render, brick and frames meet
If you live in an older home near Church of St Mildred, the joints between older walls, newer extensions and the roofline need a sealant that can move.
Comparing quotes
- Whether all the old sealant comes out first
- Are they insured?
- What the quote includes, VAT included or not
- The length of the guarantee