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

Facade Sealing in Old Malden

Sealant work in Old Malden for main contractors, managing agents and facilities managers: facade joint and window perimeter sealing on commercial buildings, quoted at a fixed price.

  • Previous reseals run over old sealant
  • Perimeter joints where frames meet the structure
  • Damp patches beside frames after rain
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS accredited
£5m PL insurance

Facade sealing in Old Malden

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

How we handle facade sealing in Old Malden

Sealant around windows, doors and cladding panels stops rain reaching the wall behind. Once a perimeter seal fails, water tracks in around frames and panels. We remove failed sealant and install a new bead chosen for the joint and how far it moves. Site teams most often ask us about sealant pulling away from frames or panels and leaks at window and door perimeters, across stone and brick facade joints, coping and flashing joints and shopfront frames. Facilities teams, main contractors and managing agents in Old Malden tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.

The ULEZ covers the whole of Greater London, so contractors’ vehicles on a job in Old Malden must meet its standards or pay the daily charge. Alongside that, sites usually need booked deliveries and a plan for where materials go.

Guaranteed is the last step of every job. Our workmanship is backed for 12 months, and the quote explains what it covers.

Mastic Doctor team members lined up next to their branded vans outside an office building
Location
Old Malden (KT19, KT4, KT5)
Wider area
Greater London
Guarantee
12 months on our workmanship
Price
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026

On site: what to expect

In a busy building, we agree a sequence with your contact so the disruption stays in one area at once. Each section is protected, cleaned back and sealed before the next one starts. Most London premises stay occupied while we’re on site, so we agree zones and timings with the building or facilities manager. Phased work keeps the rest of the building in use.

  1. Photos, drawings or a visit tell us about the joints and the access.
  2. Product choice follows the joint’s movement and substrate.
  3. Failed beads are removed in full and both faces cleaned back.
  4. Primer goes on where the product data asks for it.
  5. Rod goes in to fix the depth, then the joint is sealed and tooled.
  6. We go over the completed work with you before leaving.

What we need from you

  • Tell staff and tenants when we will be in
  • Clear stock, furniture or equipment away from the joints
  • Agree which areas must stay open

Ask for a quote

Tell us about the building, the joints and when you need the work done, and a fixed quote will follow. The easiest way is to speak to us on 01277 525 020 or email drawings and photos.

Ask for a quote

Related advice

Questions about Old Malden

Could you schedule work at a campus like Kingston University for the vacation?

Yes. Tell us the term dates, vacation periods and access windows, and we’ll plan the work around them. Let us know which documents your site asks for, and we will confirm them alongside the quote.

Can you take on a job at a hospital such as Tolworth Hospital?

Yes. We work in healthcare settings as well as offices and schools. Work is phased so departments keep running, under the site’s own rules.

How soon can the area be used again?

That comes down to the sealant and the temperature. Some products skin over quickly but need longer to cure fully, and we confirm it before leaving site.

How do you choose the sealant?

The specification comes first, if there is one. 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.

What site paperwork can you supply?

Each site asks for different documents, so list what you need, whether RAMS, insurance or CSCS details, and we’ll confirm with the quote.

Do you have public liability insurance?

Yes. We are fully insured, and the certificate can go with your quote.

How long does a job like this take?

It depends on the scope, but the work normally 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.

What sets the cost

These are the things that shape the price:

  • How accessible the joints are
  • How much existing material needs removing
  • Specialist products, such as fire-rated or hygienic sealants
  • Quantities, in metres or numbers

A quote for facade joints depends on how many there are, their condition and the access, and any specification that applies. Ask us for a fixed quote.

What we need to price the job

However big the job, the same details help:

  • Anything awkward about access or site hours
  • Drawings or a marked-up plan, if available
  • Whether the building will be occupied during the work
  • Photos of the joints, close up and from further back

Send details, get a quote, we seal, guaranteed: that’s how every job runs. The first step is to call the office on 01277 525 020 or email drawings and photos with what you know.

Common problems we fix in Old Malden

The wrong product causes its share of trouble: acetoxy-cure silicone may mark stone or corrode certain metals, and an interior product won’t last outdoors. Neutral-cure, facade-grade products are what most external joints need.

Typical triggers for a call:

  • Failed seals around shopfront and entrance frames
  • Gaps between rainscreen or cladding panels
  • Air leaks through failed facade joints
  • Facade joints cracked through the middle

Extensions at sites like Tolworth Hospital, 0.9 miles to the west of Old Malden, typically sit beside working departments, and the mastic follows strict access rules.

Questions to ask before you book

  • Can the work be phased to keep areas open?
  • How the joint faces will be prepared and primed
  • How the existing material will be dealt with
  • Health and safety accreditation such as CHAS

Questions to ask before you appoint anyone

What sealant work can’t fix

We seal joints; we don’t mend everything behind them. On its own, sealant can’t deal with:

  • Cracked or spalling substrates that need repair before sealing
  • Joints too narrow for the movement they take, which need redesign
  • Damp caused by condensation inside the building

If in doubt, phone 01277 525 020 or send photos by email and we will say what we think before you book.

Where we work in Old Malden

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

For managing agents and facilities managers

Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Old Malden can form part of a wider programme across Greater London.

CHAS accredited and a Constructionline member, we are straightforward to vet for your supplier list. We are fully insured, and our insurance certificate can go with the quote.

Facade sealing in Old Malden: the local picture

The area within 2 miles of Old Malden holds several hotels. Hotel extensions and refits usually have to fit around bookings, so mastic dates are tight. The ULEZ covers the whole of Greater London, Old Malden included, so site vehicles need to meet its standards or pay the daily charge. London sites also mean booked deliveries and limited storage, which the mastic programme has to allow for.

Hotel extensions and refits, at places such as Orchid Epsom Hotel (0.9 miles south-east of Old Malden), normally run between busy periods, so the sealing is squeezed into short windows. For contractors on a campus like Kingston University, 2.4 miles to the north-west of Old Malden, facade and perimeter sealing has to fit around students and term dates.

Old Malden is about 2 miles north-west of Ewell, in Greater London. Old Malden sits inside our coverage and the rest of Greater London, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. We work across 764 places in Greater London, large and small. There’s a separate page for London, roughly 11 miles from Old Malden.

Commercial sites across KT19, KT4 and KT5 are covered. If your site is on Curtis Road, Rowden Road and Grafton Road or close by, send details and we will quote for facade joints. We also cover Worcester Park (1 mile east), Tolworth (1 mile north-west), Stoneleigh (1 mile south-east), Berrylands (1 mile north-west) and Chessington (2 miles south-west) for facade joints. Bigger towns within reach include London (11 miles north-east), City of Westminster (11 miles north-east), Marylebone (11 miles north-east), Kensington (9 miles north), St Pancras (12 miles north-east) and Shoreditch (13 miles north-east).

Landmarks near Old Malden

In Old Malden, that means premises near Hogsmill LNR, Richard Challoner School and The Plough Inn Public House, among other places. Old Malden’s nearest station is Tolworth station, about 0.5 miles west. Nearby you will also find Tolworth Hospital (0.9 miles west) and Cockney Museum (1.3 miles south-east). Green spaces nearby include Tolworth Court Farm Fields and The Lake.

Map of Old Malden © OpenStreetMap contributors

Why deal with it now?

Topping up a failed joint normally buys very little time. A full cut-out and reseal costs more on the day but lasts much longer. Getting scaffold, permits or access booked in Old Malden takes effort, so it makes sense to deal with every failing joint while access is in place.

Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.

What you get with us

  • CHAS accredited
  • Our applicators hold CSCS cards
  • Colours chosen to suit frames, cladding or finishes where possible
  • Over 20 years of commercial sealing

Read our cost guide or our accreditations and insurance.

Accreditations

Trusted. Accredited. Insured.