Great Chart construction mastic
Commercial sealant work in Great Chart for contractors, FMs and building owners: mastic packages for new-build and refurbishment projects, quoted at a fixed price.
- Caulk cracking where joints are moving more than expected
- Early adhesion failures on new external joints
- Window and door perimeters that won’t pass inspection
Construction mastic for businesses in Great Chart
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Looking after the joints
For the best life from the joints:
- Share drawings and the specification as soon as possible
- Don’t force external sealing on a damp or frosty day
- Record the products used in the O&M file
- Don’t schedule sealing before decorators and flooring are done
A new structure shifts as it loses construction moisture. The right product in each joint copes with that. We can advise if a joint needs a different product.
One unsealed frame can let water into finished internal areas. That normally means redoing finishes in a completed area. A check of every frame before decorators start is worth the time.
Construction mastic for commercial buildings in Great Chart
Mastic tends to be one of the final packages before handover. Mastic Doctor takes on mastic packages for main contractors and developers with projects in Great Chart, sealing plot by plot or floor by floor as areas are released. Most enquiries involve snag items on joints that need redoing before handover and existing joints on a refurb that need cutting out and resealing, across brick and block movement joints, internal decorators’ caulk and cladding and panel joints. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Great Chart is the same: the right product in a properly prepared joint.
In the countryside around places like Great Chart, conversion schemes put new frames into old stone, flint, brick or timber. Those joints need a sealant that suits an uneven, sometimes porous surface, and often a colour chosen for the building.
The 12-month guarantee is for workmanship rather than wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we spell out the cover before we begin.
- Location
- Great Chart (TN23)
- Wider area
- Kent
- Cover
- 12 months on every job
- Price
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Updated
- 3 November 2026
Building and refurbishing in Great Chart
The South East is one of the drier parts of the UK. Winter mornings still bring frost and condensation on frames and panels, so external mastic is timed for workable conditions and agreed with the site manager. Great Chart is about 47 miles from central London. Construction around the commuter belt mixes station-side flats with refurbished offices and units, and main contractors there need mastic that keeps to the programme.
When units on a site such as St. Georges Business Centre, 1 mile to the north-east of Great Chart, are refurbished or reclad, the panel joints and window perimeters are part of the mastic package. For a contractor working at a hospital such as William Harvey Hospital, which lies east of Great Chart, perimeter and facade sealing is planned around patients and deliveries.
Great Chart is about 1 mile west of Ashford, in Kent. We cover commercial sites throughout Great Chart. Our Kent coverage takes in 931 places, from busy centres to rural villages. London is covered too, some 47 miles away.
If you need construction mastic in TN23, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. We cover commercial and managed buildings on The Street, Toke Close and The Paddocks. If your building is just outside Great Chart, we cover Godinton (1 mile north-east), Chilmington Green (1 mile south-west), Stanhope (1 mile south-east), Ashford (1 mile east) and Fleeden (1 mile south-west). Further afield, our area takes in Canterbury (14 miles north-east), Sittingbourne (14 miles north), Folkestone (15 miles east), Faversham (12 miles north), Hythe (12 miles south-east) and Davington (12 miles north).
Landmarks near Great Chart
In Great Chart, that means premises near The Little Black Dog pub, Ashford Community Woodland and John Wallis Academy. For rail, the closest station is Ashford International station, roughly 1.8 miles east of the centre. A little further out are County Square (1.6 miles east) and William Harvey Hospital (3.5 miles east). The countryside around Great Chart includes Orlestone Forest.
When to call us in Great Chart
A joint without backing rod or bond-breaker often fails early. Bonded to the base of the joint and both sides, sealant can’t stretch evenly so we set the depth properly before sealing.
Site and facilities staff are often the first to spot these:
- Failed sealant in an existing building being refurbished
- Inconsistent sealant finishes from plot to plot
- Cracks opening in caulked internal joints
- Perimeter gaps outside the sealant’s range
Historic houses such as Godinton House (to the north of Great Chart) are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.
Before you book anyone
- Which product they’ll use, and why it suits the joint
- The terms of the workmanship guarantee
- Whether old or failed sealant will be cut out, not overlaid
- What site paperwork they can supply
Surface by surface
Bathrooms, en suites and washrooms
In bathrooms and washrooms, an anti-mould sanitary silicone goes around every fitting. Joints are cleaned, sealed and tooled neatly, and any bath is loaded with water first where that’s the agreed method.
Kitchens and utility areas
Commercial kitchens often need hygienic or food-safe sealants. Joints are sealed smooth so they’re easy to clean.
Common questions from Great Chart clients
Can you work on a hospital site such as William Harvey Hospital?
Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.
Will you plan work around the academic year at somewhere like Ashford College?
Yes. We plan campus work around teaching, exams and residence turnarounds. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.
Do you do internal caulk as well as external mastic?
External perimeters and movement joints, internal caulking where specified, sanitary and kitchen joints, plus snagging, all priced as one package.
Do you need to see the site first?
Many jobs can be quoted from photos, drawings or a joint schedule. Where they aren’t, we arrange a site visit.
Do you install fire-rated sealant as part of a package?
We install fire-rated sealant where it is the specified product to the tested detail. If the detail calls for collars, wraps or batts instead, we will tell you.
When is resealing likely to be due?
There isn’t a single answer, since movement, weather, cleaning and use all affect it. Regular inspection is the best way to catch problems early.
Can you send site paperwork?
Each site asks for different documents, so tell us what you need and we will confirm it when we quote.
From enquiry to sign-off
We bring the products specified for the job, along with primers and backing rod. Joint faces are cleaned back to sound, dry surfaces, the manufacturer’s primer is applied where it’s called for, and each bead is tooled to a neat concave finish. Rural sites near Great Chart may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.
- First we take quantities off the drawings and read through the specification.
- A fixed quote sets out the scope, the products and the sequence.
- You tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we confirm it with the quote.
- Areas are sealed plot by plot or floor by floor as the trades hand them over.
- Every joint is prepared, set to depth and sealed with the specified product.
- We close out snagging and hand over with a 12-month guarantee.
Preparing the site
- Tell staff and tenants when we’ll be in
- Send asbestos survey details if the building is pre-2000
- Clear stock, furniture or equipment away from the joints
Request a quote
Quotes are fixed against the scope you send, so the cost is agreed before work starts. To ask for one, give us a call on 01277 525 020 or email a schedule or drawings.
Advice
Also near Great Chart
What else we do in Great Chart
Building owners, agents and FMs in Great Chart
Facilities managers want contractors who arrive with the paperwork sorted. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we will confirm with the quote.
Agents, factors and owners’ representatives all follow the same route: send details, get a fixed quote, we seal, guaranteed. We can agree access arrangements and keyholder contacts beforehand.
What sets the cost
We price every job individually. The things that drive the figure:
- How much existing material needs removing
- Travel to remote or island sites
- How accessible the joints are
- Phasing around occupants
We don’t publish prices, since every building and every scope is different. Call for a quote and we’ll price your job on its own details.
What we need to price the job
Whether it’s one area or a whole building, these details speed things up:
- The product your specification calls for
- Whether an asbestos survey exists
- When you need the work done
- Where the site is, with the postcode
A handful of photographs and a postcode is the fastest way to a quote. Send them through the quote form, or call 01277 525 020 or use the quote form if you’d rather talk the job through.