
Construction and new-build mastic in Sheldwich, Kent
Construction mastic in Sheldwich, backed by over 20 years in commercial sealing. Fully insured, with a 12-month guarantee.
- New external sealant already peeling away
- A long mastic snag list close to completion
- Window and door perimeters that won’t pass inspection
Construction mastic near Sheldwich
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
FAQs: Sheldwich
What site paperwork comes with a job in Sheldwich?
RAMS, insurance certificate, CSCS details: list what the site needs and we’ll confirm it with the quote. We hold £5m public liability insurance, are CHAS accredited and a Constructionline member, and our applicators are CSCS-carded.
Is Sheldwich off your patch?
No. Small places get the same service as large ones. London and every South East county are within our area. Where we can, we group nearby jobs to make the most of each trip.
Do you take on multi-site work?
Yes. Multi-site work and planned programmes are a core part of the service, with each site phased to suit its occupants.
Can the building stay open while you work?
Typically, yes. We phase the work so most of the building stays in use.
Is it fine to apply new sealant on top of old?
No. Failed sealant is removed and the faces cleaned back to sound, dry material first, since fresh sealant will not bond reliably to aged material.
Are you insured?
Yes. Mastic Doctor is fully insured, public liability included.
How long before the joints can be used?
We will confirm how long the chosen product needs to cure, and flag anything to keep off until it has cured.
About our construction mastic in Sheldwich
On refurbishments, the mastic package normally includes cutting out old sealant as well as sealing new work. Existing joints have to be stripped back to sound faces, because fresh sealant can’t key into cured silicone and the asbestos survey is checked first on older stock. After that, the joints are prepared and sealed to the specification. We work on window and door perimeters, sanitary and kitchen joints and floor and skirting junctions, and the usual reasons a site gets in touch are sanitary sealant damaged by following trades and frame gaps too wide for sealant alone. A single leaking joint is often how a building in Sheldwich first comes to us: we check the joints around it and give you an honest view of what needs doing now and what can wait.
Construction in and around smaller places such as Sheldwich is often barn conversions, small groups of houses or extensions to halls and schools. Each still needs a proper mastic package: window perimeters, facade joints and internal sealant to the specification.
Our 12-month guarantee is about workmanship, not wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we’re clear about what is covered before work starts.
- Place
- Sheldwich (ME13)
- Wider area
- Kent
- Guarantee
- 12 months on every job
- Price
- Quoted before any work starts
- Phone
- 01277 525 020
- Updated
- 3 November 2026

Why it’s worth doing now in Sheldwich
A quick bead over a damaged joint can get an area past inspection, but it rarely lasts. New sealant laid on old or dirty sealant has nothing to bond to. Damaged joints are removed and resealed from clean faces. For buildings around smaller places like Sheldwich, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Resealing early avoids that.
The price depends on the quantity of joints, what has to come out first and how the joints are reached. Call for a quote when you’re ready.
Why us?
- Sealing commercial buildings since 2005
- Standard and matched colours in many product ranges
- Joints cleaned back to sound surfaces
- CHAS accredited
What affects the price in Sheldwich
To price the job, we consider:
- Access and working height
- The site’s rules and procedures
- Working within restricted access windows
- Joint width, depth and condition
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.
Details that help us quote
A good diagnosis starts with the right details. Let us know:
- The postcode of the building
- Drawings or a marked-up plan, if available
- The product your specification calls for
- A wide shot and a close-up of the area
If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price the work to it. For smaller jobs, photographs and a description will do.
Towns and villages near Sheldwich
What else we do in Sheldwich
When to bring in a specialist
Redoing a failed joint usually costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.
Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. A poor seal in places like these tends to cost more to put right later.
When to call us in Sheldwich
Value-engineered products sometimes end up in the wrong joints. A sealant that isn’t right for the substrate or the movement will fail ahead of time. We use what’s specified, and any substitute goes to you for acceptance.
Look out for the following:
- Cracks opening in caulked internal joints
- External joints sealed in damp or cold conditions that are now failing
- Different trades sealing to different standards
- Sanitary sealant damaged by following trades
With historic properties like Belmont House and Gardens, 1.6 miles to the west of Sheldwich, in the area, refurbishment work often meets old masonry that needs compatible sealants.
What your quote should include
- Which product they’ll use, and why it suits the joint
- Proof of insurance
- Their plan for phasing and protecting the area
- How long is the guarantee, and what does it include?
Diagnose, treat, sign off
Inspect, seal, sign off: that’s the shape of every visit. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and we finish with a walk round so the work can be signed off. For work around Sheldwich, we aim to finish in one visit, so photos and measurements up front really help. That way the right products come on the day.
- Drawings, the sealant specification and your programme come to us for pricing.
- You receive a fixed quote listing scope, products and phasing.
- Any site paperwork you need (RAMS, insurance certificate, CSCS details) is confirmed with the quote.
- Areas are sealed plot by plot or floor by floor as the trades hand them over.
- Joints are cleaned, primed where the maker requires it, backed and sealed to the specification.
- We close out snagging and hand over with a 12-month guarantee.
Preparing the site
- Agree which areas must stay open
- Share the asbestos register for older buildings
- Send any specification or drawings in advance
Get a fixed quote
A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Share whatever details you have and we’ll fill any gaps with a visit.
Related advice
Construction mastic in Sheldwich: the local picture
Rainfall across the South East, Sheldwich included, is lower than in many parts of the UK. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, so the external programme keeps a little slack. Central London is about 45 miles from Sheldwich. Commuter-belt towns tend to see a steady flow of new flats, offices and commercial schemes, which keeps mastic packages in demand.
Projects at schools like Sheldwich Primary School work to term dates, so mastic is programmed tightly.
Sheldwich is about 3 miles south of Faversham, in Kent. Businesses, contractors and managing agents in Sheldwich use us for work on mastic packages, as part of our coverage of Kent. 931 places across Kent fall within our area, including Sheldwich. London is covered too, some 45 miles away.
Postcode districts covered here: ME13. Among the streets we cover are Ashford Road and Lees Court Road, and sites on any of them can send details for a fixed quote. Just outside Sheldwich, we also work in Sheldwich Lees (1 mile south-east), North Street (1 mile north), Badlesmere (1 mile south), Throwley (1 mile south-west) and Throwley Forstal (2 miles south-west). Bigger towns within reach include Maidstone (15 miles west), Ashford (9 miles south), Canterbury (9 miles east), Sittingbourne (8 miles north-west), Whitstable (8 miles north-east) and Faversham (3 miles north).
Local landmarks in Sheldwich
Recent enquiries here include premises near The Abbey School and the streets around them. Sheldwich’s nearest station is Selling station, about 2.6 miles east. A little further out are Newnham Castle (3.6 miles west).
For managing agents and facilities managers
As a CHAS accredited contractor and Constructionline member, we make supplier vetting simple. Our insurance certificate can be sent along with the quote.
FMs need a contractor who is easy to get on site. Tell us what site paperwork you need, such as RAMS, an insurance certificate or CSCS details, and we’ll confirm with the quote.