Facade and window perimeter sealing in Lewisham, Greater London
Our CSCS-carded applicators take on facade joint and window perimeter sealing on commercial buildings in Lewisham and the surrounding area. Send details for a fixed quote.
- Weathered facade joints that have lost their grip
- Unsightly perimeter sealant on a visible elevation
- New sealant peeling off old mastic
Facade sealing for Lewisham sites
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Commercial clients in Lewisham
Main contractors use us as their sealant subcontractor. Programme, specification and site rules come first.
Housing associations and managing agents often need work done across blocks and communal areas. Work can be phased so residents and staff keep access throughout, with each stage agreed with your site contact.
About our facade sealing in Lewisham
Most facade joint failures trace back to the joint, not just the sealant. The width has to suit the expected movement and the sealant’s movement capability, while rod fixes the depth and stops the bead sticking to the rear with the ratio the sealant maker recommends, often around 2:1. If you are dealing with leaks at window and door perimeters and old perimeter mastic that has dried out, we can put it right, on window and door perimeters, perimeter joints where frames meet the structure and coping and flashing joints alike. Looking for mastic applicators who cover Lewisham? We’ve been sealing commercial buildings since 2005, with CSCS-carded applicators.
Every London site, Lewisham included, is inside the ULEZ, which applies to deliveries and contractors’ vans alike. Alongside that, sites normally need booked deliveries and a plan for where materials go.
Building owners and contractors get the same cover: 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.
- Location
- Lewisham (SE13, SE8, SE6)
- Wider area
- Greater London
- Guarantee
- 12 months on every job
- Quotes
- Quoted before any work starts
- Call
- 01277 525 020
- Updated
- 3 November 2026
How a job runs
Diagnose, treat, sign off: that’s the shape of every visit. We inspect the joints and confirm what’s in scope, then the work is carried out to the specified product and detail, and we finish with a walk round so the work can be signed off. For a job in Lewisham, access comes first: booked loading, goods lifts, the building’s permit system and a spot to keep materials. Give us the hours we can be on site and we’ll schedule to suit.
- We look at the joints, the drawings and the access before pricing.
- Failed sealant is cut out along its full length.
- Both faces are cleaned and, where the product needs it, primed.
- Closed-cell rod fixes the depth, and the sealant grips two sides only.
- The new sealant goes in and is tooled firmly onto both faces.
- The completed runs are checked with you, then the 12-month guarantee applies.
Preparing the site
- Tell us what induction or permit system the site runs
- Clear stock, furniture or equipment away from the joints
- Agree which areas must stay open
Request a quote
A handful of photographs and a postcode is the fastest way to a quote. Send them through the quote form, or give us a call on 01277 525 020 or email us to discuss it first.
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Questions we are asked in Lewisham
Do you take on work at healthcare sites like University Hospital Lewisham?
Yes. Healthcare sites are among the places we work. We follow the site’s permits, sign-in and infection-control procedures in every area.
Can you cope with the access rules in a London building?
Yes, most London buildings have access rules of some kind, and we plan around them. The building manager’s rules go straight into our method.
Can staff carry on working while you are here?
Yes, as long as we plan it. Tell us your site hours and access windows and we’ll plan around them.
Will you quote for a small job?
Whatever the size, the process is the same: details, then a fixed price, then sealing, then a 12-month guarantee.
Which sealant will you use?
If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.
Can you work in cold or wet weather?
We can work through the year, but sealant needs a dry joint and temperatures within the product’s range. Frost and condensation on glass and steel are common on winter mornings, so we plan around the forecast.
How do we ask for a quote?
You can use the quote form on this site; alternatively, call 01277 525 020 or email the details over. Include photographs or drawings if you have them.
Also near Lewisham
More services for Lewisham
Site staff or a sealant specialist?
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. Getting these wrong typically costs more in the end than doing them right.
There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we will confirm the paperwork you need with the quote.
Different surfaces, different methods
Brick and stone facades
Joints in natural stone need care to avoid staining. The specified stone-compatible sealant is what we use, and mask the edges carefully.
Render and coated surfaces
Where the joint will be painted over, a paintable hybrid or PU sealant may suit. The choice depends on the specification and finish.
Leave it or put it right?
The longer a failed joint is left, the more the substrate suffers: edges get wet, render and timber deteriorate and frames can move. Early action keeps it simple. Getting scaffold, permits or access booked in Lewisham takes effort, so while access is arranged it pays to renew all failing joints, not just the worst.
There’s no price list, since every building and every scope is different. For a fixed figure, call for a quote and we’ll price your job on its own details.
Why clients in Lewisham choose us
- Colours chosen to suit frames, cladding or finishes where possible
- Public liability insurance in place
- Colour options checked against the specified product
- 12 months’ guarantee on every job
Take a look at our cost guide and our accreditations.
What we can’t put right
Sealant solves a lot, but not everything, and we’re upfront when that’s the case. These need a different solution:
- Installing or repairing glazing systems
- Damaged frames that need replacing
- Joints whose design needs changing by the specifier
If in doubt, call 01277 525 020 or use the quote form and we’ll say what we think before you book.
What we seal
- Window and door perimeters
- Stone and brick facade joints
- Shopfront frames
- Coping and flashing joints
- Cladding panel joints
- Perimeter joints where frames meet the structure
New build and refits around Lewisham
As part of Greater London, Lewisham is inside the ULEZ, which applies to every van on site. Add booked deliveries and tight storage, and the mastic package needs planning with the site team. The area within 2 miles of Lewisham holds a good number of hotels. Hotel refurbishments often run to tight programmes between busy periods, and perimeter and sanitary sealant has to keep up.
For contractors at a college like Christ the King Sixth Form College (under half a mile north-east of Lewisham), perimeters and internal sealant are timed for the holidays. Work at a hotel such as St Wolframs Hotel (0.8 miles north-east of Lewisham) tends to be programmed around bookings, mastic included. On a healthcare site such as University Hospital Lewisham, 0.6 miles south-west of Lewisham, new blocks and refurbishments go on while the hospital keeps running, so mastic work is sequenced carefully.
Lewisham is about 3 miles west of Eltham, in Greater London. If you’re looking for facade sealing in Lewisham, we can help. Lewisham is one of 764 places in Greater London on our list.
Anyone looking for facade sealing in SE13, SE8 and SE6 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. If your site is on Station Road, Lewisham High Street and Lewis Grove or close by, we can quote for facade joints. Main routes into Lewisham include the B220, which helps when planning parking and deliveries for the job. Nearby places we also cover include Ladywell (1 mile south-west), St Johns (1 mile north-west), Hither Green (1 mile south-east), Blackheath (1 mile north-east) and Lee (1 mile south-east) for facade joints. A short drive away, we cover London (4 miles north-west), City of Westminster (7 miles north-west), Marylebone (7 miles north-west), Kensington (9 miles west), St Pancras (6 miles north-west) and Shoreditch (5 miles north-west).
Local landmarks in Lewisham
Recent enquiries here include premises near St Joseph's Academy, Ladywell Fields and The Watch House and the streets around them. There’s a railway station in Lewisham itself: Lewisham station. Well-known places in the area include Greenwich Castle (1.2 miles north) and Fan Museum (1.2 miles north). Open spaces near Lewisham include Knight's Hill and Brookmill Road Local Nature Reserve.