Hampshire · England
External Mastic in North Charford
Sealing brickwork movement joints, render, cladding and façade joints in North Charford, with a one-year guarantee on every job. Call for a quick quote.
- Weathered mastic that no longer stretches
- Movement joints with cracked, split or missing sealant
- Water getting into walls through failed joints
Why it’s worth doing now in North Charford
Done well, a resealed joint is a neat, straight line that suits the wall. A hurried job with smeared edges and no backing looks worse and fails sooner, so it pays to do it properly once. Where a wall is exposed, as many are in small places like North Charford, wind-driven rain gets into any failed joint, and older walls, once damp, take a long time to dry.
The cost reflects the work involved, not guesswork. That’s why we ask a few questions first and agree the price before starting.
Why book with us
- Anti-fungal sanitary silicone in wet areas
- You choose the colour before work begins
- ARBOMaster approved applicator
- Experience in homes, commercial sites and hotels
Take a look at our cost guide and what customers say.
About our external mastic in North Charford
A movement joint is only as good as its depth. Closed-cell backing rod sets the depth and stops the sealant sticking to the back, leaving it bonded to two faces so it can move with the wall. If you have joints where the bead has come unstuck and old sealant gone brittle and cracked, we can put it right, on copings & trims, joints between brick and frames and render & cladding joints alike.
Outside joints can only be sealed when they’re dry, so work in North Charford is booked around the forecast. Let us know about access to every wall, plus any garages or outbuildings.
Your job is guaranteed for a year, as with all our work.
- Location
- North Charford (SP6)
- Wider area
- Hampshire
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
North Charford buildings and the weather
London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. With historic houses such as Breamore House (about 2.8 miles west) nearby, there’s older building stock in the area around North Charford 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.
In the older streets around Church of St Mary, older walls, gutters and the joints where extensions meet them need a flexible sealant. If you look after a building such as Hale Primary School, its movement joints, gutters and trims need looking after like any other building’s.
North Charford is in Hampshire. Wherever you are in the SP6 postcode area, we can carry out external mastic at your property. North Charford is one of 683 towns and villages in Hampshire we cover for external mastic. For nearby work, see our Southampton page.
Every address in SP6 is within our area for external mastic. If you need external mastic at a property on Carter's Close, Tethering Drove and Hale Road or anywhere close by, our applicators can take on the job. We also cover the places around North Charford: Hatchet Green (1 mile west) and Hale (1 mile south-west). Further out, we also cover Totton (10 miles east), Chandler's Ford (15 miles east), Romsey (10 miles east), New Milton (15 miles south), Ringwood (9 miles south) and Marchwood (13 miles south-east).
What’s near North Charford
Typical jobs here are in homes near Woodfalls Inn and The Trafalgar School at Downton, among other places. Nearby you’ll also find Salisbury District Hospital (5.8 miles north-west) and Downton Moot Close (1.6 miles north-west).
How it works
You don’t need to clear the whole room or building before we come, only the area right around the joints. We protect the rest, and the work takes anything from a few hours to several days, depending on the building in most cases. For a village or hamlet like North Charford, 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.
- Closed-cell backing rod is pushed in so the sealant bonds to two sides only.
- We prime the faces where required.
- A low-modulus exterior sealant is gunned in and tooled to a neat finish.
Preparing for the visit
- For business premises, tell us about site rules or sign-in
- Mention if the joints have been sealed before
- Let us know about parking restrictions
Ask for a quote
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is. When it suits you, call 0345 464 0079 or email us.
Advice
Honest limits
Some problems need a builder, plumber or other trade rather than us:
- Subsidence or other structural problems
- Walls that need new movement joints cut into them
- Rising or penetrating damp from elsewhere in the wall
If in doubt, phone 0345 464 0079 or drop us an email and we’ll say what we think.
Joints and surfaces we work on
- Render & cladding joints
- Brickwork movement joints
- Joints between brick and frames
- Copings & trims
- Concrete & block
- Façade panels
How to look after the new joints
No joint lasts for ever, but care makes a real difference. A few tips:
- Tell anyone working on the walls about the movement joints
- Clear growth from the base of walls and joints
- Make sure movement joints are not pointed over
- Fix overflowing gutters above sealed joints
Only paint over the joint if we’ve confirmed the sealant can take paint. Paint can crack on a flexible joint and spoil the finish.
Water getting behind cladding or render can go unnoticed for a long time. By the time there’s a damp patch, the damage can be well established so early resealing is worth it.
DIY sealant or a professional job?
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
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.
What affects the cost of external mastic
Jobs vary more than people expect. The main factors:
- When we can work, for business premises
- The old material and how stubborn it is
- Any mould that needs treating
- The number and length of the joints
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. Ask us for a quote and we’ll go through it with you.
Helping us quote
Photos by email are helpful but not essential. Please mention:
- Whether it’s a home or a business
- Access, such as stairs, a lift or height
- Any previous sealing or DIY work
- The address or postcode of the job
Call for a quick quote, or email us if that’s easier. Describe what needs sealing and we will explain what’s involved.
Places near North Charford
What else we do in North Charford
Surface by surface
Cladding and façade panels
If the façade has a specified sealant, that is what we use, or one the system allows. Send us any details you have about the façade.
Copings and trims
Coping joints that leak let water straight down into the wall. Sealing them early saves the wall below.
FAQs for North Charford
Is external mastic in North Charford guaranteed?
All our work, in North Charford and everywhere else, comes with a 12-month guarantee. We are fully insured, and an ARBOMaster approved applicator.
Will you come out to North Charford?
Yes. North Charford is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Is it worth trying it myself?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.
What do you put in the joint?
Quality sealants from brands including Arbo and Everbuild, chosen to suit the joint. We explain the product when we quote.
Will you leave a mess?
No. We protect the surfaces around the joints, and we clear up the old sealant and our materials before we leave.
What colours does the sealant come in?
The sealant colour is picked to suit the wall. There’s a wide choice of exterior colours.
Do you do commercial work?
Yes. Hotels, offices and other businesses use us and we are fully insured.
Can new sealant go over the old?
No. Fresh sealant does not stick to old sealant, and anything trapped underneath, including mould and water, stays there. It all has to come out first.