Chartham mastic sealing
Commercial sealant work in Chartham for contractors, FMs and building owners: mastic sealing for building owners, managing agents and housing associations, quoted at a fixed price.
- Old repairs sealed over failed mastic
- Failed external movement joints
- Communal area joints that look neglected
Mastic sealing for businesses in Chartham
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Mastic sealing in Chartham, done properly
Before work starts, most agents and landlords want the documents in order. For documents, tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote. We’re a Constructionline member and CHAS accredited, and we carry public liability insurance. Site teams most often ask us about water getting in round frames after rain and movement joints with sealant missing, on communal kitchens and washrooms, balcony and threshold joints and shopfronts below residential blocks. Facilities teams, main contractors and managing agents in Chartham tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.
Around smaller places like Chartham, older walls fitted with newer windows are a familiar sight. The mastic needs to suit an irregular masonry face and the look of the building.
We stand by our work with a 12-month guarantee. That covers our preparation and application.
- Where
- Chartham (CT4)
- Wider area
- Kent
- Cover
- A 12-month guarantee
- Quotes
- Quoted before any work starts
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
How a job runs
Tell us your site hours and access windows and we’ll plan around them. While we are working, the area stays contained and tidy, and your contact hears from us before we move to the next area. For work around Chartham, we aim to finish in one visit, so photographs and measurements up front really help. Then the right materials arrive with us.
- We inspect each building and record the joints that have failed.
- You get a fixed quote, per block or for the whole programme.
- Dates and areas are agreed so occupiers can be told.
- Failed sealant is removed and the faces prepared.
- New sealant goes in with backing rod and primer where needed.
- We check the finished work and confirm the guarantee.
Preparing the site
- Move anything stored against the joints
- Warn occupants and staff about the work
- For older buildings, check the asbestos register before work
Get a fixed quote
For a fixed quote, give us a call on 01277 525 020 or send details through our quote form with the site address and an outline of the work. Our quote form is another easy route.
Related advice
Also near Chartham
Other services in Chartham
Common problems we fix in Chartham
Buildings move with temperature and moisture, and the sealant takes up that movement. A joint that was too narrow, too thin or the wrong product can’t cope and fails early.
Any of the following is a good reason to get the joints checked over:
- Failed external movement joints
- Draughts at frames across a block
- A mix of products and colours from past repairs
- Cracked, hardened mastic round windows on a block
Site managers at schools like Chartham Primary School can fit frame mastic into the summer works.
Questions to ask before you book
- What the guarantee covers, and for how long
- What site paperwork they can supply
- Their plan for phasing and protecting the area
- How joint depth will be controlled
Honest limits
Our job is the joint, not everything around it. On its own, sealant can’t deal with:
- Failed window or door frames, which need a window contractor
- Leaks from above rather than through a joint
- Misted or failed double-glazed units
Not sure which it is? You can call the office on 01277 525 020 or email a schedule or drawings and we will tell you honestly before you book.
Surfaces we seal
- Window and door perimeters on blocks
- Communal entrances and stairwells
- External wall and movement joints
- Communal kitchens and washrooms
- Shopfronts below residential blocks
- Balcony and threshold joints
Mastic sealing around Chartham: what changes locally
Central London is about 51 miles from Chartham. Around the capital’s commuter belt, managing agents look after many blocks close to stations and town centres, and window and balcony mastic on them tends to age at the same rate. The South East is one of the drier parts of the UK. Outside work still depends on dry joints, while the elevations that take the most sun tend to show hardened mastic first.
Property owners at sites such as Stour Valley Business Park (to the north-east of Chartham) can have mastic renewed between lettings. Buildings close to stations like Chartham station, under half a mile to the north-east of Chartham, are often flats over shops, with frame mastic to keep sound.
Chartham is about 3 miles south-west of Canterbury, in Kent. Looking for mastic sealing in Chartham? We can help. Our Kent coverage takes in 931 places. For work in that direction, see our London page, about 51 miles away.
Business premises anywhere in CT4 are within our area. If your site is on Station Road, River Court and The Green or close by, we can quote for mastic joints. We also cover Shalmsford Street (1 mile south), Mystole (1 mile south-west), Chartham Hatch (1 mile north), Garlinge Green (2 miles south) and Thanington (2 miles north-east) for mastic joints. Further afield, our area takes in Ashford (10 miles south-west), Canterbury (3 miles north-east), Dover (15 miles south-east), Sittingbourne (14 miles north-west), Folkestone (14 miles south-east) and Whitstable (7 miles north).
Near you in Chartham
In Chartham, that means premises near No Man's Orchard and The Artichoke Inn. There’s a railway station in Chartham itself: Chartham station. Other landmarks nearby include Chilham Castle (2.7 miles west) and Whitefriars Shopping Centre (3.1 miles north-east). Not far away are Blean Woods RSPB Reserve.
Maintenance after handover
To get the most from the new sealant:
- Check the asbestos register before any old mastic is disturbed
- Track which buildings were done and when
- Look at the sunniest and most exposed elevations first
- Make mastic part of routine maintenance checks
Include sealant in planned building inspections. Watch for splits, open gaps, hard or chalky surfaces and mastic pulling away and record where they are.
Water getting in round frames can damage plaster, decoration and the frames themselves. Early resealing is far simpler than repairs inside.
What the job involves on each surface
Communal areas
Communal entrances, stairwells and corridors have joints at door frames, screens, skirting and floor edges. Tidy, sound joints keep them looking cared for.
Window and door perimeters on blocks
We usually work through a block’s windows in a planned order. How each joint is reached is agreed at quote stage.
Questions we are asked in Chartham
Is a smaller place like Chartham outside your area?
No. Places such as Chartham are covered as much as the big towns. We work across Greater London and the South East. Good photos up front let us bring everything on the first visit.
Will you take on a block within reach of Chartham station?
Yes, and several blocks can go on one quote. Give us the building’s details and say how residents are notified, and we will quote and plan to suit.
Do you seal on top of existing sealant?
No. We cut the old material out and clean the joint back before sealing, because fresh silicone will not bond with aged silicone.
Can you seal joints high up on a block?
We talk through access for each building when we quote. Tell us the building height and any access already in place, and we’ll tell you how we’d approach it.
How do you handle work on occupied blocks?
Residents and tenants carry on as normal. We flag any areas that need internal access well before the dates so you can arrange it with occupiers.
How long before the joints can be used?
Curing time varies by product, and we confirm it on the day, and flag anything to keep off until it has cured.
Can weather delay the job?
It can, when the joints are outside. Sealant won’t bond properly to a wet or frosty joint, so external work may be moved if conditions aren’t right. Indoors, the weather is rarely a problem.
What sets the cost
Before we quote, we look at:
- Quantities, in metres or numbers
- Induction, permit and paperwork requirements
- Specialist products, such as fire-rated or hygienic sealants
- Whether old sealant has to be cut out first
What a job costs comes down to the quantity of joints, how much old material needs removing and how the joints are reached. Call for a fixed quote once you have the details.
Sending details for a quote
We can often quote from photographs and a few details. Please tell us:
- Any specification or named product
- When you need the work done
- Drawings or a marked-up plan, if available
- Where the site is, with the postcode
Specifications, drawings and tender packages are welcome with any enquiry, and we will price the work to it. For smaller jobs, photos and a description will do.