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

Commercial sealant contractors in Peaks Hill, Greater London

We carry out sealant work for offices, shops, hotels and other commercial buildings in Peaks Hill and the surrounding area. Send photos or drawings for a fixed quote.

  • A top-up bead over failed sealant, now lifting
  • Smeared sealant across finishes from a rushed job
  • Gaps behind commercial kitchen worktops and sinks
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
CHAS accredited
£5m public liability

Commercial sealant contractors across Peaks Hill

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

When to call us in Peaks Hill

If sealant tears through its centre, it has failed cohesively. Typically the movement was too much for the sealant chosen: a bead laid too thin, an over-stretched joint or the wrong movement class. Replacing it like for like rarely holds.

Most enquiries start with something like this:

  • Window and door perimeter joints that have cracked open
  • Expansion joints with the sealant torn out
  • Shrunken sealant along kitchen worktops and splashbacks
  • Sanitary sealant that has gone black and patchy

Occupiers with premises at both Lysander Road Airport Industrial Estate and Silver Wing Industrial Estate could have the sealant at each handled under one quote.

What your quote should include

  • How the existing material will be dealt with
  • Health and safety accreditation such as CHAS
  • Can the work be phased to keep areas open?
  • Who will actually carry out the work

Questions to ask before you appoint anyone

Commercial sealant contractors for commercial buildings in Peaks Hill

A reseal stands or falls on the preparation underneath it. Old silicone gives new sealant nothing to grip, so every trace of it is removed, then both faces are cleaned back to sound, dry material with no dust or grease on them. Primer is used wherever the manufacturer calls for it on that surface, and a backing rod limits the depth to give the sealant room to work. We work on washrooms and tea points, floor and threshold joints and external facade joints, and the failures we’re asked to look at most are greasy, split joints in a kitchen or tea point and movement joints packed with grit and debris. Most enquiries from Peaks Hill start with one failed joint and grow into a wider look at the building: we look at the rest while we are there and tell you what we find.

If you look after more than one building near Peaks Hill, the work can be planned as one programme, with one quote format and one point of contact.

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.

We stand behind the joints we seal: 12 months, guaranteed. That covers our preparation and application, and we come back if anything isn’t right.

The Mastic Doctor team standing beside their branded vans outside an office building
Place
Peaks Hill (CR8, SM6)
Region
Greater London
Cover
A 12-month guarantee
Quotes
Quoted before any work starts
Telephone
01277 525 020
Last updated
3 November 2026

Why it’s worth doing now in Peaks Hill

A cheaper quote sometimes means the old bead stays in. New sealant laid on old silicone has nothing to bond to, so it peels. Every quote we give includes full removal and preparation. Getting scaffold, permits or access booked in Peaks Hill takes effort, so while access is arranged it pays to renew all failing joints, not just the worst.

The price depends on the quantity of joints, how much old material needs removing and the access. Call for a fixed quote once you have the details.

Why appoint us

  • Colours chosen to suit frames, cladding or finishes where possible
  • A fixed quote before work starts
  • Health and safety: CHAS accredited
  • Public liability insurance in place

Take a look at what affects the cost or our accreditations and insurance.

How a job runs

We schedule the visit to fit the site hours and access windows you give us. 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. In Peaks Hill, most buildings stay in use during the work, so zones and timings are agreed with whoever manages the building. Areas are handed back as each section is finished.

  1. We start with the evidence: photographs, drawings or a look on site.
  2. A fixed quote follows, with removal and preparation included.
  3. We agree the order of work, access windows and site hours with you.
  4. The failed sealant comes out and the faces are prepared, with primer where required.
  5. Depth is set with backing, then the sealant is applied, tooled and the area tidied.
  6. Completed areas are signed off with you under our 12-month guarantee.

What we need from you

  • Clear stock, furniture or equipment away from the joints
  • For older buildings, check the asbestos register before work
  • Tell us which areas need to stay in use

Get a fixed quote

A handful of photographs and a postcode is the fastest way to a quote. Send them through the quote form, or phone 01277 525 020 or use the quote form if you’d rather talk the job through.

Get a price

Read more

Looking after the joints

A few simple habits keep the new joints working:

  • Ask cleaners to use a soft cloth and mild cleaner on sealant
  • Make sure contractors see the asbestos survey before cutting out old mastic
  • Keep barriers up until the new sealant has cured
  • Keep washroom and kitchen extraction working

Our workmanship on each job is backed by a 12-month guarantee. File the handover note with the building records so it’s easy to find if a joint we sealed gives trouble inside the 12 months.

Once sealant fails in a movement joint, grit and debris get in. With nothing soft to close against, the materials either side take the load and start to break up. At that point it’s a repair job rather than a reseal.

Common questions from Peaks Hill clients

Do you cover business parks and estates near Peaks Hill, such as Lysander Road Airport Industrial Estate?

Yes. We cover Peaks Hill and the area around it, including industrial estates, business parks and retail parks such as Lysander Road Airport Industrial Estate. Photos and a short description are enough for a first look.

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.

Can you supply RAMS and insurance details?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we will confirm with the quote. We are CHAS accredited and a Constructionline member, with five million pounds of public liability insurance.

How soon can the area be used again?

Curing time varies by product, and we confirm it on the day, and flag anything to keep off until it has cured.

How long does a typical visit take?

It depends on the scope, but the work normally takes a few hours for one area, or a planned series of visits across a bigger building. For bigger or phased jobs, we will set out a timescale with the quote.

Does the weather affect the work?

It can, for external work. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so external work may be moved if conditions aren’t right. Internal work is far less affected.

Do you work in Peaks Hill?

Yes. We cover Peaks Hill, and the simplest way to start is to ring 01277 525 020 or email us.

Working on commercial sites near Peaks Hill

Several hotels sit less than 2 miles from Peaks Hill. In hotels, sealant shows everywhere, from bathroom joints to reception counters, so colour and a clean finish matter, and the work can be phased so the rest of the hotel keeps trading. The 2 miles around Peaks Hill include nine care or nursing homes. In care settings, a neat joint at a kitchen worktop or a lounge window is part of keeping the place easy to clean.

In hotels such as London Croydon Aerodrome Hotel, which lies north-east of Peaks Hill, refurbishments normally mean bathroom, bar and reception joints where a matched sealant colour has to sit with the finishes. Offices and shops close to stations such as Purley station, 0.8 miles to the south-east of Peaks Hill, tend to be busy all day, so sealant work is planned around opening hours.

Peaks Hill is about 1 mile north-west of Purley, in Greater London. Businesses, contractors and managing agents in Peaks Hill can call on us for sealant joints, as part of our coverage of Greater London. Peaks Hill is one of 764 places we cover in Greater London for sealant joints. For work in that direction, see our London page, about 11 miles away.

Postcode districts covered here: CR8 and SM6 for sealant joints. Streets here include Furze Lane, Birch Lane and Plough Lane. You will find Peaks Hill on or near the A2022. Sites close to Peaks Hill are covered too, including Russell Hill (1 mile north), Roundshaw (1 mile north), Woodcote (1 mile south-west), Purley (1 mile south-east) and Woodcote Green (1 mile west). Nearby towns on our patch include London (11 miles north), City of Westminster (12 miles north), Marylebone (12 miles north), Kensington (11 miles north), St Pancras (13 miles north) and Shoreditch (13 miles north).

Near you in Peaks Hill

Around Peaks Hill, our work takes us to commercial buildings near Carshalton Park, Margaret Roper Catholic Primary School and The Foxley Hatch pub and the streets around them. The nearest railway station is Purley station, about 0.8 miles south-east of the centre. Well-known places in the area include St George's Walk (2.4 miles north-east) and Croydon Airport Visitor Centre (1 mile north-east). Not far away are Duppas Hill and Roundshaw Downs.

Map of Peaks Hill © OpenStreetMap contributors

What sets the cost

There’s no standard rate for sealant work, because every site is different. What we take into account:

  • Removal of failed or old sealant
  • Any access equipment needed
  • The product specified
  • Working within restricted access windows

The specified product makes a difference, as does the preparation each joint needs, from cutting out to priming and backing rod. Access, phasing and site rules also count.

What to include in your enquiry

Diagnosis starts before we arrive. Tell us:

  • Whether the building will be occupied during the work
  • Approximate linear metres or a joint schedule
  • Access details, including height
  • Asbestos survey details if the building is older

If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price against exactly what is specified. For smaller jobs, photographs and a description will do.

Owners, agents and contractors

Agents, factors and owners’ representatives all follow the same route: send details, get a fixed quote, we seal, guaranteed. We can agree access arrangements and keyholder contacts beforehand.

Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

Accreditations

Trusted. Accredited. Insured.