Mastic sealing for building owners and managing agents in Brompton, Medway
Mastic sealing for building owners, managing agents and housing associations across Brompton, by CSCS-carded applicators. CHAS accredited and fully insured.
- Open joints in brickwork or panels
- Communal area joints that look neglected
- Draughts at frames across a block
Mastic sealing for Brompton sites
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
When something else is needed
A proper diagnosis includes knowing what sealant can’t do. We will tell you if the real problem is any of the following:
- Masonry that has broken away beside the joint
- Leaks through the frame itself rather than the perimeter
- Glazing that needs replacing
If you are not sure, just speak to us on 01277 525 020 or send details through our quote form and we’ll give you a straight answer before you book.
What we seal
- Communal kitchens and washrooms
- Window and door perimeters on blocks
- External wall and movement joints
- Balcony and threshold joints
- Shopfronts below residential blocks
- Communal entrances and stairwells
How we handle mastic sealing in Brompton
Mastic Doctor has sealed joints on commercial and residential blocks since 2005. Our applicators are CSCS-carded, and the work is backed by public liability insurance. Resealed mastic joints in Brompton carry our 12-month guarantee. If you are dealing with window mastic that has split and shrunk and damaged joints in communal entrances and corridors, we can put it right, on communal entrances and stairwells, shopfronts below residential blocks and window and door perimeters on blocks alike. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Brompton, preparation and product choice get the time they need.
Converted and older buildings in and around Brompton often put modern windows into old walls. The mastic there needs to suit both surfaces.
Whoever the client is, the cover is the same: twelve months on the work we carried out. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.
- Where
- Brompton (ME4, ME7, ME2)
- Wider area
- Medway
- Guarantee
- A 12-month guarantee
- Quotes
- Quoted before any work starts
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Different surfaces, different methods
Tenement and older buildings
Stone needs a neutral-cure product and we choose accordingly.
Window and door perimeters on blocks
We typically work through a block’s windows in a planned order. How each joint is reached is agreed at quote stage.
Block-wide mastic in Brompton
With the shore within about 2 miles, Brompton counts as a coastal location. Blocks and commercial buildings facing the sea take the most weather on their window perimeters and external joints; plan inspections around that. Brompton is about 28 miles from central London. Around the capital’s commuter belt, managing agents look after many blocks close to stations and town centres; their frame mastic often ages block-wide.
Owners of student blocks near University of Kent - Medway Campus (to the north of Brompton) can schedule frame and external mastic for the summer vacation. Blocks of flats and mixed-use buildings often cluster around stations such as Chatham station, 0.7 miles south-west of Brompton, and their window and balcony mastic tends to age at the same rate across a building. Site managers at schools like Brompton-Westbrook Primary School can fit frame mastic into the summer works.
Brompton is about 1 mile east of Rochester, in Medway. Any commercial site in Brompton is covered. 54 places across Medway fall within our area, including Brompton. For work in that direction, see our London page.
Commercial sites across ME4, ME7 and ME2 are covered. Among the streets we cover are Dock Road, Globe Lane and South Road, and sites on any of them can send details for a fixed quote. Nearby places we also cover include Chatham Waterfront (1 mile south-west), Rochester Riverside (1 mile west), Frindsbury (1 mile north-west), Luton (1 mile south) and Hale (2 miles south-east). Nearby towns on our patch include Rainham (4 miles south-east), Park Wood (4 miles south-east), Lordswood (4 miles south), Twydall (3 miles south-east), Hoo St Werburgh (3 miles north-east) and Wigmore (4 miles south-east).
Around Brompton
Recent enquiries here include premises near King George V Public House, Brompton Academy and Hospital and Medical Tuition Service. You will also find St Michael the Archangel Church (0.8 miles south-west), Great Lines Heritage Park (under half a mile south-east) and Former Ordnance Store At Chatham Gun Wharf (under half a mile south-west). The nearest railway station is Chatham station, about 0.7 miles south-west. Nearby you’ll also find Medway Maritime Hospital (0.8 miles south-east) and Pentagon Shopping Centre (under half a mile south-west). For a walk, there’s Rede Common and Gad's Hill.
General trades versus a specialist
Redoing a failed joint typically costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.
General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.
Places near Brompton
More services for Brompton
On site: what to expect
Tell us your site hours and access windows and we’ll plan around them. On the day, the work area is kept contained and tidy, and we check in with your contact before moving on to each new area. For a job in Brompton, the main thing is a clear picture of the work. A fixed quote follows.
- First comes a look at the joints and, for older buildings, the asbestos records.
- A fixed quote covers the joints, products and order of work.
- Failed mastic is removed completely.
- Joint faces are cleaned, backed and resealed.
- Buildings are completed in turn.
Preparing the site
- Confirm the product named in the specification
- Send your site hours and access windows
- Point out parking and an unloading spot
Getting a fixed quote
Pricing a project or setting a maintenance budget? We will quote against your scope and drawings you can plan around. If you have questions first, phone 01277 525 020 or email a schedule or drawings.
Advice
Why it’s worth doing now in Brompton
Looking at mastic during planned maintenance costs little. Waiting until leaks appear means working under pressure and less choice about when. Small buildings around Brompton suffer from failed joints as much as large ones. Catching it early means a reseal rather than repairs.
Access often affects the price as much as the sealing: easy-to-reach joints are quicker than those that need equipment to get to. Tell us how the joints are reached and call for a quote.
Why choose Mastic Doctor in Brompton
- Specification-led, product-correct work
- Health and safety: CHAS accredited
- Public liability insurance in place
- Old sealant cut out, never sealed over
See our cost guide and our accreditations.
Aftercare for building managers
Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. We suggest:
- Track which buildings were done and when
- Plan resealing building by building rather than complaint by complaint
- Keep bins and bikes away from communal door frames
- Check the asbestos register before any old mastic is disturbed
Where a paintable product was specified, it can be painted after curing. Silicone normally can’t be painted, so keep decorators off it unless told otherwise.
Water getting in round frames can damage plaster, decoration and the frames themselves. Early resealing is far simpler than repairs inside.
Your questions answered
Will you take on a block within reach of Chatham station?
Yes. Blocks of any size are within what we do. Photos of each elevation help us quote accurately.
Can you work in a care home near Brompton with residents in?
Yes. We agree rooms and times with the manager and work a few areas at a time. Any site rules, from signing in to infection control, are agreed before we start.
Do you check for asbestos in old sealant?
In older buildings, old mastic can contain asbestos. We check the asbestos register or survey before disturbing it and suspect material is tested first.
Is Brompton in your area?
Yes. Brompton is in our area and the rest of Medway, within our coverage of Greater London, South East England and Scotland. For a quote, phone 01277 525 020 or send details through our quote form.
Which sealant will you use?
A specification, where there is one, decides it. If there isn’t one, it comes down to the joint: its movement, its surfaces and what it has to cope with.
Can you send RAMS and CSCS details before starting?
Our credentials include CHAS, Constructionline and public liability insurance. Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote.
What about access for upper-floor joints?
Access is discussed and agreed before the quote is fixed. Tell us the number of storeys and whether scaffold or other access is planned and we’ll confirm the approach in the quote.