
Commercial Sealant Contractors in Dulwich
We carry out sealant work for offices, shops, hotels and other commercial buildings in Dulwich. Send photographs or drawings for a fixed quote.
- Hardened, chalky sealant on south-facing or exposed elevations
- Expansion joints with the sealant torn out
- Window and door perimeter joints that have cracked open
Commercial sealant contractors for Dulwich sites
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
What sets the cost
Before we quote, we look at:
- Travel to remote or island sites
- How much there is to seal
- Access and working height
- How much existing material needs removing
No two sites price the same: the joint sizes, the specified product, access and working hours each have a bearing. Send the details and a fixed figure follows.
Sending details for a quote
Good information means a firmer quote. Helpful details to send:
- What the building is and how it’s used
- Approximate linear metres or a joint schedule
- Where the site is, with the postcode
- Whether an asbestos survey exists
Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price against exactly what is specified. Smaller jobs need nothing more than photographs and a few notes.
About our commercial sealant contractors in Dulwich
Some sealants used before 2000 can contain asbestos, so older stock needs a check first. Before anything is cut out, we ask for the asbestos register or survey, because the duty to manage asbestos sits with the dutyholder. If a material is suspected, work stops until it’s tested, and we don’t remove asbestos-containing materials ourselves. Site teams most often ask us about frame mastic that has hardened and come away from the wall and damp patches where an external joint has failed, across movement joints in walls and floors, external facade joints and kitchen worktops and splashbacks. Looking for mastic applicators who cover Dulwich? We have been sealing commercial buildings since 2005, with CSCS-carded applicators.
We price commercial jobs in Dulwich from photographs, drawings or a site visit, and the scope is set out in writing.
In London, most commercial sealant work happens in buildings that stay open: occupied offices, ground-floor retail under residential floors and busy shared entrances. Work is split into zones agreed with the building or facilities manager, so the premises keep working around us.
A 12-month guarantee applies to all our work in Greater London. Should something we installed fail, give us a call on 01277 525 020 or use the quote form and we’ll come back to it.
- Place
- Dulwich (SE22, SE21, SE23)
- Region
- Greater London
- Cover
- 12 months on our workmanship
- Quote
- A fixed quote before we start
- Call
- 01277 525 020
- Page updated
- 3 November 2026

Why it’s worth doing now in Dulwich
Before budgeting for new frames, cubicles or worktops, check whether it’s just the sealant. In many cases the element is fine and only the seal around it has given up. A careful reseal is a far smaller undertaking than replacement, and we will say so if the frame or fitting is life-expired. Failed sealant in a building in Dulwich can quickly affect neighbours, tenants or the floor below. Dealing with it early is simpler for everyone.
There’s no price list, because the scope varies so much from one building to the next. For a fixed figure, call for a quote and we will price your job on its own details.
Why appoint us
- Work to your specification and the manufacturer’s guidance
- Commercial sealant work since 2005
- Colours confirmed for the specified product
- Fixed quotes based on photos, drawings or a visit
Take a look at our cost guide and how we’re accredited.
Keeping the joints sound
Once the work is signed off, these steps help:
- Have extract fans checked so wet areas dry out
- Put external and wet-area joints on a regular inspection round
- Look at the sealant around anything that has been moved or replaced
- Brief cleaning contractors to avoid scourers and blades on sealant
Add the resealed joints to your planned maintenance inspections. A periodic look catches splits and lifting edges early, especially on exposed elevations and in washrooms. Should something look amiss, you can call 01277 525 020 or email a schedule or drawings and send a picture.
A failed external joint lets water in every time it rains. Behind a panel or frame, that water can sit unseen for a long time. Catching it at the sealant stage avoids the bigger repair.
Commercial sealant contractors around Dulwich: what changes locally
A number of hotels sit less than 2 miles from Dulwich. Refits in hotels bring joints at vanity tops, bar counters and reception desks where the colour has to suit the scheme, with rooms done in turn while the rest stay let. At least three named trading, business or retail sites lie within about 3 miles of Dulwich. Each new occupier on a park like these tends to refit, from reception to staff kitchen, often in a colour the occupier specifies.
A business with units at Goose Green Trading Estate and Parkhall Business Centre needn’t use two contractors for its sealant. In hotels such as Astra Palace Hotel, 1.3 miles to the south of Dulwich, refurbishments typically mean bathroom, bar and reception joints where a matched sealant colour has to sit with the finishes. Shops and cafés around stations like West Dulwich station, 0.7 miles to the south-west of Dulwich, trade from early, so work is timed around them.
Dulwich is about 1 mile south-east of Herne Hill, in Greater London. Any commercial site in Dulwich is covered. 764 places across Greater London fall within our area, Dulwich among them.
If you need commercial sealant contractors in SE22, SE21 and SE23, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Among the streets we cover are Court Lane, Druce Road and Boxall Road, and sites on any of them can send details for a fixed quote. Access to Dulwich is via the A2216. We also cover Dulwich Village (1 mile north-west), West Dulwich (1 mile south), Herne Hill (1 mile north-west), Sydenham Hill (1 mile south-east) and Forest Hill (1 mile east). Nearby towns on our patch include London (4 miles north), City of Westminster (6 miles north-west), Marylebone (6 miles north-west), Kensington (7 miles north-west), St Pancras (6 miles north) and Shoreditch (6 miles north).
Near you in Dulwich
Around Dulwich, our work takes us to commercial buildings near The Crown and Greyhound pub, Dulwich Park and Alleyn's School, among other places. Dulwich’s nearest station is West Dulwich station, about 0.7 miles south-west of the centre. Other landmarks nearby include Dulwich Community Hospital (0.9 miles north) and Greenwich Castle (4 miles north-east). The countryside around Dulwich includes Knight's Hill and Centre for Wildlife Gardening.
Our process
At the end of each section, the masking comes off, the area is cleaned and every joint is checked. Where the sealant needs time to cure before use, we tell you and sign the area. Most London premises stay occupied while we are on site, so zones and timings are agreed with whoever manages the building. Areas are handed back as each section is finished.
- First, details reach us through the quote form or a site visit.
- The cause is diagnosed and the scope priced as a fixed quote.
- Where parts of the building must stay open, the work is phased.
- Every failed bead is removed rather than covered.
- Each joint gets a suitable sealant, laid to depth and tooled.
- We check the work with you, and the 12-month guarantee starts.
Preparing the site
- Tell us your opening times and when work is allowed
- Confirm the product named in the specification
- Let building users know which areas are affected
Request a quote
For a fixed quote, ring 01277 525 020 or email us, telling us the site location and the nature of the job. You can also send details through our quote form.
Related advice
Your questions answered
Will our hotel in Dulwich need to close for the work?
Almost never. The work is phased so most rooms stay available. Housekeeping and our team agree each day’s rooms.
Can you work in a London building with booked loading and goods-lift slots?
Yes, most London buildings have access rules of some kind, and we plan around them. Say when the building is occupied and when it’s quiet, and we’ll plan accordingly. The ULEZ covers the whole of Greater London, which we allow for
Can areas stay open during the work?
That comes down to planning: we agree access windows, phase the work and keep enough facilities open. Let us know what can’t close and we’ll work around it.
How do we get a quote?
Send photos, drawings or a list of locations through the quote form on this site. Where we need to see it, we will arrange a site visit, then send a fixed quote.
How long does a typical visit take?
We plan the time on site around your programme and access. We’ll give you an estimate of time on site when we quote.
Does commercial sealant work come with a guarantee?
Our workmanship on each job is backed by a 12-month guarantee. Public liability insurance is in place too.
Can you follow the specification on our project?
Yes. The specification and the manufacturer’s installation guidance are what we work to, and we raise anything unclear before work begins.
Nearby places to Dulwich
Also in Dulwich
Commercial clients in Dulwich
Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, with each stage agreed with your site contact.
Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Sites in Dulwich can sit alongside others in a wider programme.
What sealant work can’t fix
Being straight saves everyone time. Fresh joints won’t solve:
- Old mastic that tests positive for asbestos
- Water from a services leak rather than a joint
- Cracking that needs a structural engineer to look at it
Not sure which it is? You can call the office on 01277 525 020 or email drawings and photos and we’ll tell you honestly.
What we seal
- Movement joints in walls and floors
- Window and door perimeters
- Kitchen worktops and splashbacks
- Washrooms and tea points
- Floor and threshold joints
- External facade joints