
Westgate-on-Sea mastic sealing
Mastic sealing for building owners, managing agents and housing associations in Westgate-on-Sea and across Kent. CHAS accredited and fully insured, with a 12-month guarantee.
- Leaks at window and door perimeters
- Patchy repairs in mismatched sealant
- Draughts at frames across a block
Mastic sealing in Westgate-on-Sea
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
How we handle mastic sealing in Westgate-on-Sea
Across Westgate-on-Sea and the rest of Kent, we work the same way: you send details, we return a fixed quote, the joints are resealed and the 12-month guarantee follows. Addresses, photos of typical joints and a rough idea of quantities let us give a quick quote, and site visits can be arranged. Most enquiries involve window mastic that has split and shrunk and occupiers reporting cold air round windows, across shopfronts below residential blocks, external wall and movement joints and balcony and threshold joints. A single leaking joint is often how a building in Westgate-on-Sea 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.
For landlords and associations with stock in and around Westgate-on-Sea, grouping buildings into one visit saves travel. Send the addresses and photos and we’ll quote for all of them together.
Whoever the client is, the cover is the same: twelve months on the work we carried out. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.

- Where
- Westgate-on-Sea (CT8, CT9, CT7)
- Wider area
- Kent
- Cover
- 12 months on every job
- Quote
- A fixed quote before we start
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Keeping the joints sound
Every sealant joint needs some looking after, and their life depends on movement, exposure, cleaning and use. We suggest:
- Have the asbestos survey to hand for older buildings
- Check sealant joints during planned building inspections
- Encourage occupiers to report problems at frames
- Mention RAMS, insurance or CSCS requirements up front
Our workmanship is covered for 12 months, so report any failure in that time. Beyond that, routine checks spot the next round of repairs.
One failed perimeter typically means others on the same building are close so a single failure is a sign to check the rest. Doing them together saves going back again and again.
Mastic sealing in Westgate-on-Sea: the local picture
With the shore within about 1 mile, Westgate-on-Sea counts as a coastal location. For owners and agents with buildings near the sea, exposed elevations are where frame mastic fails first. Westgate-on-Sea sits in one of the drier corners of the country, the South East. External mastic still waits for dry faces and the right temperature, while the elevations that take the most sun tend to show hardened mastic first.
If your remit includes a building such as St Saviour's Church of England Junior School, frame and door mastic can be programmed for the holidays. Older community buildings, Church of St Saviour among them, often have frames of mixed ages whose mastic varies. For owners of several units at places like All Saints Industrial Estate, which lies east of Westgate-on-Sea, one programme can deal with frame and external mastic across the lot.
Westgate-on-Sea is about 2 miles west of Margate, in Kent. Our applicators travel to Westgate-on-Sea for work on mastic joints. We work across 931 places in Kent. For work in that direction, see our London page, about 62 miles away.
Business premises anywhere in CT8, CT9 and CT7 are within our area. For a building on Sea Road, Thanet Road and Cedric Road or nearby, we can quote for mastic joints. Being close to the A28, Westgate-on-Sea is straightforward for us to reach. We also cover Garlinge (1 mile east), Westbrook (1 mile east), Birchington (1 mile west), Flete (2 miles south-east) and Acol (2 miles south-west). Bigger towns within reach include Canterbury (13 miles south-west), Ramsgate (4 miles south-east), Broadstairs (4 miles east), Whitstable (13 miles west), Deal (12 miles south) and Herne Bay (9 miles west).
Local landmarks in Westgate-on-Sea
We work on buildings around Ursuline College and the streets around them. Westgate-on-Sea has its own railway station: Westgate-On-Sea station. A little further out are Powell-Cotton Museum (1.4 miles south-west) and Queen Elizabeth the Queen Mother Hospital (2.3 miles east). Not far away are Sandwich and Pegwell Bay.
Honest limits
A proper diagnosis includes knowing what sealant can’t do. We’ll tell you if the real problem is one of these:
- Materials that need asbestos testing before work
- Broken glass or failed sealed units
- Leaks through the frame itself rather than the perimeter
Not sure which it is? You can give us a call on 01277 525 020 or send photos by email and we’ll tell you honestly before you book.
Surfaces we seal
- Communal kitchens and washrooms
- Balcony and threshold joints
- Communal entrances and stairwells
- External wall and movement joints
- Window and door perimeters on blocks
- Shopfronts below residential blocks
Surface by surface
Window and door perimeters on blocks
Window and door perimeters are where most mastic failure shows. Old perimeter mastic is removed, the joint prepared and new sealant tooled in.
External movement joints
Joint size and product are matched to the expected movement, often around 2:1 width to depth, as the manufacturer advises.
From enquiry to sign-off
At the end of each section, the masking comes off, the area is cleaned and every joint is checked, ready for your sign-off. If an area should be left alone while the sealant cures, we say how long and put signs out. What matters most for a job in Westgate-on-Sea is a clear list of what needs doing, so send photographs of each area. A fixed quote follows.
- 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.
- Old mastic is removed and the joint faces prepared.
- New sealant goes in with backing rod and primer where needed.
- Each building is checked and signed off with the 12-month guarantee.
Preparing the site
- Tell us which areas need to stay in use
- Move anything stored against the joints
- For older buildings, check the asbestos register before work
Ask for a quote
Send us photographs, drawings or a joint schedule are often enough for a fixed quote. Where a site visit makes more sense, we will arrange one.
Read more
Doing it in-house
Certain joints really need a specialist: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.
Redoing a failed joint normally 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.
Work for main contractors and building owners
Hotels, schools, healthcare sites, offices and retail units come to us directly as well. The work is planned around how the building runs, so the building keeps working while we do.
If you look after buildings for someone else, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end.
Westgate-on-Sea: questions and answers
Is Westgate-on-Sea too far out for you?
No. Small places get the same service as large ones. We cover Greater London and the counties of the South East. Send photographs and a list of what needs doing, and we will plan the job to need as few trips as possible.
Do you cover business parks and estates near Westgate-on-Sea, such as All Saints Industrial Estate?
Yes. Our area takes in Westgate-on-Sea and its surroundings, with estates and business parks such as All Saints Industrial Estate included. A few photographs and the unit address let us price the work.
Do you work with property factors and landlords?
Yes, that’s exactly who this service is for. Buildings are scheduled in turn with dates agreed in advance.
Can you reseal a whole block or estate?
Block-wide and estate programmes are common. You get a fixed quote per building or for the whole job.
Which sealant will you use?
A specification, where there is one, decides it. If there isn’t one, it comes down to the joint: how much it moves, what it bonds to and whether it’s wet, trafficked or fire-rated.
Can you quote from photos?
Many jobs can be quoted from photographs, drawings or a joint schedule. If the job needs a look first, we’ll arrange a visit.
How do you handle work on occupied blocks?
Occupiers stay in the building throughout. We flag any areas that need internal access well before the dates so it can be arranged.