
Construction and new-build mastic in Hayes, Greater London
We carry out mastic packages for new-build and refurbishment projects in Hayes and the surrounding area. Send details for a fixed quote.
- Cracks opening in caulked internal joints
- Bath and shower joints scraped during the final clean
- Perimeter gaps outside the sealant’s range
Construction mastic in Hayes
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
About our construction mastic in Hayes
Mastic is often where a new building first shows its quality to the client. Untidy or missed joints are among the commonest snag items. We seal so the snag list stays short, whatever the size of the scheme. If you have snag items on joints that need redoing before handover and early adhesion failures on new external joints, we can help, on sanitary and kitchen joints, brick and block movement joints and cladding and panel joints alike. Searching for sealant specialists in Hayes? Mastic Doctor has worked for contractors, FMs and building owners since 2005.
Around Hayes, as across London, much of the work is refurbishing existing buildings as well as building new ones. Replacement windows, recladding and fit-outs leave perimeter and facade joints to seal, often next to people still using the building.
Every job ends the same way: guaranteed. Our workmanship is backed for 12 months, and the quote explains what it covers.
- Place
- Hayes (BR4, BR2)
- Wider area
- Greater London
- Guarantee
- 12 months on every job
- Quote
- A fixed quote before we start
- Telephone
- 01277 525 020
- Page updated
- 3 November 2026

What sealant work can’t fix
Being straight saves everyone time. Fresh joints won’t solve:
- Deciding which fire-stopping product a penetration needs
- Oversized gaps that need packing or adjustment by others
- Specifying the product where the designer hasn’t
Not sure which it is? You can call 01277 525 020 or send photos by email and we will tell you honestly.
What we seal
- Floor and skirting junctions
- Internal decorators’ caulk
- Brick and block movement joints
- Window and door perimeters
- Cladding and panel joints
- Sanitary and kitchen joints
Leave it or put it right?
Getting the mastic contractor involved early pays off. We can check joint widths, flag frames with gaps that won’t seal and confirm products against the specification, which avoids last-minute problems. Leave it late and they turn up on the snag list. Getting scaffold, permits or access booked in Hayes takes effort, so it makes sense to deal with every failing joint while access is in place.
Pricing mastic packages depends on how many there are, their condition and the access, and any specification that applies. Call for a quote.
Why choose Mastic Doctor in Hayes
- Work carried out by CSCS-carded applicators
- Colour agreed before work starts
- 12 months’ guarantee on every job
- Sealing commercial buildings since 2005
Take a look at what affects the cost and our accreditations and insurance.
After the work
Sealant joints are maintenance items, and how long they last depends on how they’re treated. We suggest:
- Keep scrapers and abrasive pads off new beads
- Keep finished joints away from paint, plaster and scrapers
- Ask for joint and product checks before the package is urgent
- Note which sealant went where at handover
Brief the sparkle clean so they don’t scrape the new joints. Blades and abrasive pads are the commonest cause of damage at the final clean.
A missed perimeter seal on one window can wet the reveal and the plaster inside. That normally means redoing finishes in a completed area and possibly a delayed handover. A check of every frame before decorators start is worth the time.
FAQs: Hayes
Do you cover business parks and estates near Hayes, such as Chartwell Business Centre?
Yes, sites like Chartwell Business Centre are within our area, along with the rest of Hayes. Photos and a short description are enough for a first look.
Do you work in London buildings with loading restrictions?
Yes. Booked loading bays, goods lifts and permit-to-work systems are normal for London jobs. Send the building rules and access times with your enquiry. The ULEZ covers the whole of Greater London, which we allow for
Is any job too small?
We quote for single jobs as well as large packages and programmes. Photos and a description are enough to start.
Do you take on multi-site work?
Yes. Several buildings can share a single quote, and you deal with one contact throughout.
Can the building stay open while you work?
Yes, with some planning. We agree a sequence with your contact so just one area at a time is disrupted.
What will the job cost?
We don’t publish prices, as every site differs. Send photos or drawings and we will price it at a fixed figure.
Are you insured?
Yes. We’re fully insured, including public liability cover.
Towns and villages near Hayes
Also in Hayes
From enquiry to sign-off
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, then reopened once the sealant allows before we move to the next. Most London premises stay occupied while we are on site, so zones and timings are agreed with whoever manages the building. Phased work keeps the rest of the building in use.
- Drawings, specification and programme come to us.
- Quantities are measured and a fixed price returned.
- We agree with the site team which areas come first.
- Each area is sealed when it’s released.
- Every joint is cleaned, set to depth and sealed with the specified product.
- Snags are cleared and the package signed off with our 12-month guarantee.
Preparing the site
- Let building users know which areas are affected
- Explain the parking and delivery arrangements
- Confirm the product named in the specification
Quotes
Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price the work to it. Smaller jobs need nothing more than photographs and a few notes.
Read more
Different surfaces, different methods
Bathrooms, en suites and washrooms
Sanitary joints around baths, showers, basins and WCs need anti-mould sanitary silicone. Each joint is prepared, sealed and finished with a neat tooled line.
Internal decorators’ caulk
Caulking is often done in a hurry by whoever’s on site. Done properly, it saves decorators time and gives a clean line.
Do you need construction mastic in Hayes?
Value-engineered products sometimes end up in the wrong joints. A general-purpose silicone on a facade or a caulk in a wet area won’t perform like the specified product. We stick to the specified product, or put any alternative to you first.
It’s worth sending us details if you spot any of the following:
- Different trades sealing to different standards
- Snag items on joints that need redoing before handover
- Failed sealant in an existing building being refurbished
- Frame perimeters left unsealed or poorly sealed
School extensions, at buildings such as Hawes Down Primary School, normally run to the summer holidays, mastic included.
What your quote should include
- Are they CHAS accredited or on Constructionline?
- What the guarantee covers, and for how long
- Is the sealant right for the movement and the substrate?
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
Construction mastic in Hayes: the local picture
A 2-mile radius around Hayes takes in several hotels. Hotel refurbishments often run to tight programmes between busy periods, and perimeter and sanitary sealant has to keep up. Site traffic in Hayes falls within London’s ULEZ, like everywhere else in Greater London. London sites also mean booked deliveries and limited storage, which the mastic programme has to allow for.
For contractors at a college like Shaftesbury Nash College, less than half a mile to the south of Hayes, perimeters and internal sealant are timed for the holidays. Hospital estates such as Bethlem Royal Hospital (to the west of Hayes) tend to grow and change in phases, often next to occupied wards, so facade and perimeter sealing has to fit the estates team’s plan.
Hayes is about 2 miles south of Bromley, in Greater London. Anywhere in BR4, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. We work across 764 places in Greater London, from busy centres to rural villages. London is covered too, some 10 miles away.
Postcode districts covered here: BR4 and BR2 for mastic packages. If your site is on Hawes Lane, Crest Road and Keswick Road or close by, send details and we’ll quote for mastic packages. Just outside Hayes, we also work in West Wickham (1 mile west), Coney Hall (1 mile west), Bromley Common (1 mile north-east), Nash (1 mile south) and Eden Park (2 miles north-west). Nearby towns on our patch include London (10 miles north-west), City of Westminster (12 miles north-west), Marylebone (12 miles north-west), Kensington (12 miles north-west), St Pancras (12 miles north-west) and Shoreditch (11 miles north).
What’s near Hayes
Recent enquiries here include premises near Coney Hall Recreation Ground, New Inn and Hayes School and the streets around them. There’s a railway station in Hayes itself: Hayes (Kent) station. Well-known places in the area include National Psychosis Unit (1.6 miles west) and Bethlem Museum of the Mind (1.1 miles east). Open spaces near Hayes include Summer Hill and Hutchinson's Bank.