The Mastic Doctor team standing beside their branded vans outside an office building
Kent · England

Facade Sealing contractors in Shalmsford Street

Facade joint and window perimeter sealing on commercial buildings throughout Shalmsford Street and nearby, by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Staining on stone next to old sealant
  • Weathered facade joints that have lost their grip
  • Leaks at window and door perimeters
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Facade sealing for businesses in Shalmsford Street

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Facade sealing in Shalmsford Street

Weather decides a lot in facade sealing. Joints have to be dry and the air and surface temperature within the product’s range, and cold, damp starts can delay work. We plan for that and keep you updated. If you’re dealing with weathered joints at frame-to-structure perimeters and failed sealant on precast panel joints, we can put it right, whatever the surface. A single leaking joint is often how a building in Shalmsford Street first comes to us: we look at the rest while we’re there and tell you what we find.

For a contractor on a smaller site near Shalmsford Street, one mastic visit at the right stage saves return trips. Let us know the key stages and we’ll time the work so nothing waits on us.

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 are clear about what is covered before work starts.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Shalmsford Street (CT4)
Wider area
Kent
Cover
12 months on our workmanship
Price
Quoted before any work starts
Phone
01277 525 020
Last updated
3 November 2026

Aftercare for building managers

Keep the joints in good shape with a few simple steps:

  • Keep pressure washers away from fresh sealant
  • Confirm the survey covers external sealants in older buildings
  • Note when each elevation was last resealed
  • Check that rainwater leaves the facade the way it was designed to

Keep a note of which product went in and when. Future work can then match the product and colour across the elevation.

Coordinate facade sealing with other external works. One set-up for several trades saves money.

Facade sealing around Shalmsford Street: what changes locally

Shalmsford Street is about 51 miles from central London. Towns within reach of London tend to keep building, from flats to offices and schools, so mastic packages have to keep pace with busy programmes. Shalmsford Street is in the South East, one of the UK’s drier regions. Still, external mastic needs dry faces within the maker’s temperature limits, which isn’t every day, which is why external dates are agreed with the site manager.

New wings at hospitals like Kent and Canterbury Hospital, 3.2 miles to the east of Shalmsford Street, bring long runs of window and panel joints to seal. Hotel extensions and refits, at places such as Howfield Manor Hotel, 1.2 miles to the north-east of Shalmsford Street, normally run between busy periods, so the sealing is squeezed into short windows.

Shalmsford Street is about 3 miles south-west of Canterbury, in Kent. Anywhere in CT4, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. We work across 931 places in Kent. There’s a separate page for London, roughly 51 miles from Shalmsford Street.

We cover the CT4 postcode districts. For a building on Old Church Road, Pomfret Road and Summer Piece Grove or nearby, we can quote for facade joints. Just outside Shalmsford Street, we also work in Chartham (1 mile north), Mystole (1 mile west), Garlinge Green (1 mile south), Chartham Hatch (1 mile north) and Thanington (2 miles north-east). Nearby towns on our patch include Ashford (10 miles south-west), Canterbury (3 miles north-east), Dover (14 miles south-east), Sittingbourne (14 miles north-west), Folkestone (13 miles south-east) and Whitstable (7 miles north).

Near you in Shalmsford Street

In Shalmsford Street, that means premises near The Artichoke Inn and Broadham Down, among other places. The closest station to Shalmsford Street is Chartham station, roughly 0.5 miles north. A little further out are Chilham Castle (2.6 miles west) and Whitefriars Shopping Centre (3.3 miles north-east). Green spaces nearby include Blean Woods RSPB Reserve.

Map of Shalmsford Street © OpenStreetMap contributors

On site: what to expect

A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. The work itself typically takes longer on a full elevation than on a handful of window perimeters, and it always depends on dry weather, and we clear our waste as we work. Work in places the size of Shalmsford Street is planned as a single visit where we can. Clear photographs and measurements help us bring the right products.

  1. We start with photos, drawings or a visit to see the joints and agree access.
  2. Product choice follows the joint’s movement and substrate.
  3. Failed beads are removed in full.
  4. Primer is applied where the maker specifies it.
  5. Rod goes in to fix the depth, then the joint is sealed and tooled.
  6. The finished joints are checked with you.

What we need from you

  • Tell staff and tenants when we will be in
  • Arrange parking or a loading space
  • Have the specification and drawings to hand

Getting a fixed quote

Need a figure for a tender or a budget? We’ll quote against your scope and drawings you can plan around. If you have questions first, call the office on 01277 525 020 or send photos by email.

Get a quick quote

Related advice

Why it’s worth doing now in Shalmsford Street

Leaving failed perimeter sealant also makes the eventual job bigger: wet edges break down, so repairs may be needed before resealing. Early action keeps it simple. Over time, UV, weather and movement wear any sealant out. Renewing it in good time keeps the building weathertight.

Quantities, awkward access and phased working all shape the price. Site requirements like inductions and permits play a part as well.

Why appoint us

  • Matching to RAL references, product permitting
  • CSCS-carded applicators
  • A Constructionline member, so easy to vet
  • Fixed quotes based on photographs, drawings or a visit

Read our cost guide or our accreditations.

Common problems we fix in Shalmsford Street

Sometimes the substrate is the problem: crumbling render, spalling concrete or flaking paint take the sealant with them. We tell you when the edges need repairing before resealing.

Look out for the following:

  • Sealant pulling away from frames or panels
  • Discoloured or dirty facade joints
  • Perimeter joints where frames meet the structure
  • Cold air coming in at window perimeters

For contractors at a school such as Chartham Primary School, sealing has to be finished before term starts.

Questions to ask before you book

  • Which product they’ll use, and why it suits the joint
  • Are they CHAS accredited or on Constructionline?
  • Do they follow the manufacturer’s priming guidance?
  • Their plan for phasing and protecting the area

Questions to ask before you appoint anyone

What the job involves on each surface

Cladding panel joints

Joints between cladding panels open and close with temperature. We use a product rated for the movement and suited to the panel surface.

Precast concrete panels

Precast arrises sometimes crumble or carry old residue. Faces are cleaned to sound concrete, and damaged edges are reported before sealing.

Honest limits

Honesty saves time and money. New sealant won’t cure:

  • Installing or repairing glazing systems
  • Leaks from roofs, gutters or failed flashings rather than sealant joints
  • Render or concrete edges that have broken away

If you are not sure, just call the office on 01277 525 020 or email drawings and photos and we will give you a straight answer.

Joints and surfaces we work on

  • Cladding panel joints
  • Perimeter joints where frames meet the structure
  • Shopfront frames
  • Stone and brick facade joints
  • Window and door perimeters
  • Coping and flashing joints

Your questions answered

Could you schedule work at a campus like University of the Creative Arts for the vacation?

Yes. Tell us the term dates, vacation periods and access windows, and we’ll plan the work around them. We are CHAS accredited and a Constructionline member, and paperwork such as RAMS is confirmed with the quote.

Can you work on a hospital site such as Kent and Canterbury Hospital?

Yes. We work in healthcare settings as well as offices and schools. The estates team’s permit system and infection-control rules come first, and the work is planned around them.

How long does a job like this take?

It depends on the scope, though a typical visit typically takes anything from a single day to several weeks, depending on joint lengths, access and the weather. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.

Will you quote for a small job?

Single areas, one-off repairs and whole buildings are all quoted the same way: send details, get a fixed quote, we seal, guaranteed.

Are your applicators CSCS-carded?

Yes. Our applicators hold CSCS cards.

Do you guarantee your work?

Yes. Our workmanship is backed for 12 months on every job.

Can you work in cold or wet weather?

Year-round work is possible as long as joints are dry and temperatures suit the product. Frost and condensation on glass and steel are common on winter mornings, and we build that into the programme.

Accreditations

Trusted. Accredited. Insured.