
Mastic Sealing in Perivale
Mastic sealing for building owners, managing agents and housing associations throughout Perivale and nearby, by CSCS-carded applicators. CHAS accredited and fully insured.
- Estate-wide sealant that is simply worn out
- Open joints in brickwork or panels
- No planned programme for sealant
Mastic sealing in Perivale
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Mastic sealing for commercial buildings in Perivale
Mastic Doctor has sealed joints on commercial and residential blocks since 2005. Every applicator holds a CSCS card, and the work is backed by public liability insurance. Each building we complete carries a 12-month guarantee on our workmanship. We work on shopfronts below residential blocks, window and door perimeters on blocks and communal kitchens and washrooms, and the failures we’re asked to look at most are open joints in brickwork or panels and cracked, hardened mastic round windows on a block. Whoever orders the work in Perivale, the brief is normally the same: a fixed quote, no surprises on site and a 12-month guarantee behind the result.
Across Greater London, Perivale included, the ULEZ applies, and parking and loading rules differ from street to street. For block-wide work, a place to park and store materials saves time on every visit.
Whoever the client is, the cover is the same: 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.

- Place
- Perivale (UB6, HA0, W5)
- Wider area
- Greater London
- Guarantee
- 12 months on every job
- Quote
- A fixed quote before we start
- Call
- 01277 525 020
- Page updated
- 3 November 2026
Common problems we fix in Perivale
In communal areas, joints take knocks from bins, bikes, buggies and deliveries, with joints near the floor and around doors suffering most. Regular cleaning wears them further.
These are often picked up first by site or facilities staff:
- Damp patches beside frames
- Old repairs sealed over failed mastic
- Estate-wide sealant that is simply worn out
- Worn sealant at communal door frames
Student blocks close to universities like University of West London (to the south of Perivale) are easiest to work on between tenancies.
What to look for in a quote
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
- Their pre-qualification and accreditations
- How the existing material will be dealt with
- What level of public liability insurance do they hold?
Common questions from Perivale clients
Can you quote for a block close to South Greenford station?
Yes, and several blocks can go on one quote. We work to your notice and access arrangements.
Do you cover business parks and estates near Perivale, such as Phoenix Trading Estate?
Yes, sites like Phoenix Trading Estate are within our area, along with the rest of Perivale. To start, just call the office on 01277 525 020 or send details through our quote form with the unit, the joints involved and your access times.
What if the old mastic contains asbestos?
In older buildings, old mastic can contain asbestos. We check the asbestos register or survey before disturbing it and suspect material is tested first.
Do you guarantee the mastic work?
Our workmanship carries a 12-month guarantee, backed by public liability insurance.
How long will the new sealant last?
Nobody can honestly give a figure in years, since movement, weather, cleaning and use all affect it. Regular inspection is the best way to catch problems early.
What about access for upper-floor joints?
It depends on the building. How upper joints are reached is agreed before work is booked so the fixed quote reflects it.
Does weather matter for sealant work?
It can, when the joints are outside. Sealant won’t bond properly to a wet or frosty joint, so we watch the forecast and rearrange outside work if we have to. Internal work is far less affected.
For owners and agents in Perivale
Blocks in London are normally run by managing agents, landlords or housing associations, with residents to notify and access to arrange. We fit the programme to your notice periods. Perivale has four care or nursing homes no more than 2 miles away. Frame mastic on care buildings is best renewed elevation by elevation, with the manager deciding timings.
Churches, halls and community buildings such as St. Mary with St. Nicholas - Perivale are looked after by trustees and committees like any other owner, and their frames, doors and external joints need mastic renewed in time. For a school such as St John Fisher Catholic Primary School, perimeter mastic on windows and doors is a holiday job.
Perivale is about 1 mile east of Greenford, in Greater London. Perivale sits inside our coverage, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Perivale is one of 764 places we cover in Greater London for mastic joints. Sites around London have their own page, about 10 miles away.
Anyone looking for mastic sealing in UB6, HA0 and W5 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. For a building on Lee Road, Wicket Road and Bilton Road or nearby, send details and we will quote for mastic joints. We also cover Pitshanger (1 mile south), Brentham Garden Suburb (1 mile south-east), Sudbury Hill (1 mile north), Sudbury (1 mile north) and Greenford (1 mile west). Further afield, our area takes in London (10 miles east), City of Westminster (7 miles east), Marylebone (8 miles east), Kensington (6 miles south-east), St Pancras (9 miles east) and Shoreditch (10 miles east).
Landmarks near Perivale
Around Perivale, our work takes us to commercial buildings near Alperton Community School, Castle Bar Park and Brentham Clubhouse pub. For rail, the closest station is South Greenford station, about 0.8 miles south-west of the centre. Well-known places in the area include London Transport Museum Depot (2.8 miles south-east) and London Designer Outlet (1.9 miles north-east). Not far away are Middle Lake and Castlebar Hill.
Also in Perivale
Work for main contractors and building owners
If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.
For main contractors, we work as the sealant subcontractor. Programme, specification and site rules come first.
Why it’s worth doing now in Perivale
Piecemeal repairs over the years often leave mismatched sealant. Resealing a whole building gives a consistent finish and one 12-month guarantee. In Perivale, each extra visit means more notices, permits and disruption, so cutting the old sealant out fully and doing it right once is the better route.
A quote for mastic joints depends on how many there are, their condition and the access. Ask us for a fixed quote.
Why clients in Perivale choose us
- CHAS accredited
- Sealing commercial buildings since 2005
- Workmanship guaranteed for 12 months
- RAL and finish matching where the product range allows
Read how commercial sealant jobs are priced or our accreditations and insurance.
How a job runs
Where the site stays busy, 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 we move to the next. The ULEZ covers the whole of Greater London, and parking near a job is rarely simple. Let us know about any on-site parking or loading arrangements when you send the job details.
- A building-by-building inspection lists the failed joints.
- You get a fixed quote, per block or for the whole programme.
- Dates and areas are agreed so occupiers can be told.
- Failed sealant is removed and the 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.
What we need from you
- Point out any areas we must not close
- Clear stock, furniture or equipment away from the joints
- Send asbestos survey details if the building is pre-2000
Getting a fixed quote
Every quote starts with the facts: the joints involved, quantities, access and the product called for. Share whatever details you have and we will fill any gaps with a visit.
Read more
Aftercare for building managers
Cleaning and maintenance staff play a part too. Pass these on to them:
- Protect low-level joints in entrances
- Look at the sunniest and most exposed elevations first
- Make it easy for occupiers to report draughts
- Include mastic in your cyclical inspections
Include sealant in planned building inspections. Watch for splits, open gaps, hard or chalky surfaces and mastic pulling away, and note the building and elevation.
Leaks at window perimeters spoil finishes and can affect frames. Early resealing is far simpler than repairs inside.
What the job involves on each surface
Window and door perimeters on blocks
Perimeter joints on blocks are best done elevation by elevation or block by block. Access is agreed with you before the quote is fixed.
Communal areas
We keep entrances and stairs open throughout. Work is planned in sections.