Chelmsford mastic sealing
We carry out mastic sealing for building owners, managing agents and housing associations in Chelmsford and the surrounding area. Send details for a fixed quote.
- Repeated reactive repairs to the same buildings
- Draughts at frames across a block
- Failed external movement joints
Mastic sealing for Chelmsford sites
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Diagnose, treat, sign off
Tell us your site hours and access windows and we’ll plan around them. 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. Jobs in a large place like Chelmsford are often on business parks, retail sites or campuses with their own sign-in and permit rules. Send the site rules with your enquiry and we’ll plan to them.
- We check the asbestos register for older buildings and look at the joints.
- A fixed quote covers the joints, products and order of work.
- We strip out the old sealant.
- Joint faces are cleaned, backed and resealed.
- We finish each building before moving to the next.
What we need from you
- Let us know about inductions and permits
- Tell staff and tenants when we’ll be in
- For older buildings, check the asbestos register before work
Get a fixed quote
For a fixed quote, give us a call on 01277 525 020 or send details through our quote form, telling us the site location and the nature of the job. Our quote form is another easy route.
Related advice
How we handle mastic sealing in Chelmsford
Managing agents and housing associations typically need paperwork before anyone starts. 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 public liability insurance. The enquiries we see most involve damaged joints in communal entrances and corridors and complaints coming in block by block, on communal kitchens and washrooms, window and door perimeters on blocks and external wall and movement joints. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, the work in Chelmsford is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.
Town-centre blocks over shops in places like Chelmsford have frames, balconies and communal entrances with mastic to maintain. A failed joint can let water into a flat or the unit below, so it pays to renew mastic before it leaks.
We stand by our work with a 12-month guarantee. That covers our preparation and application, and if something we did falls short, we return to it.
Commercial clients in Chelmsford
If you look after buildings for someone else, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.
Blocks and communal areas make up much of the work for housing associations and agents. We phase the work so people keep access, and each stage is agreed with your contact.
Site staff or a sealant specialist?
Some joints are best left to specialists: for instance fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.
Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.
Questions about Chelmsford
Can you quote for mastic across several buildings in and around Chelmsford?
Yes. Portfolio-wide programmes are a regular request. Send the addresses and photos and we’ll give a fixed quote.
Can you work at a site such as Riverside Retail Park, by Chelmsford?
Yes. Estates, retail parks and business parks around Chelmsford, Riverside Retail Park among them, are all within reach. A few photographs and the unit address let us price the work.
Do you work with property factors and landlords?
Yes, that’s exactly who this service is for. We work through buildings in a planned order so you can plan around it.
Is Chelmsford in your area?
Yes. Chelmsford is in our area and the rest of Essex, within our coverage of Greater London, South East England and Scotland. For a quote, call the office on 01277 525 020 or email us.
How long do sealant joints 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.
Is it fine to apply new sealant on top of old?
No. Overlaying old sealant is a frequent cause of early failure, so everything comes out first.
How soon can the area be used again?
The product and site conditions decide that. Some products skin over quickly but need longer to cure fully, so we will confirm the curing time on the day.
Nearby places to Chelmsford
More services for Chelmsford
What happens if it’s left?
Resealing ahead of leaks keeps it to a maintenance task. After water has got in, there may be damp, damaged plaster or decoration to put right too, and the complaints come with it. Businesses in Chelmsford often have several buildings with joints of a similar age. Dealing with them together saves repeat visits.
No two sites price the same: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.
Why choose Mastic Doctor in Chelmsford
- Fixed quotes based on photographs, drawings or a visit
- Over 20 years of commercial sealing
- Fully insured
- Constructionline member
Read how commercial sealant jobs are priced or our accreditations and insurance.
Cost factors for mastic joints
To price the job, we consider:
- Site requirements such as inductions and permits
- The product specified
- Distance, for remote addresses
- Phasing around occupants
There’s no price list, because the scope varies so much from one building to the next. Call for a quote and we will price your job on its own details.
What to include in your enquiry
To price the job accurately, we need to understand the site. Useful things to include:
- Access details, including height
- Drawings or a marked-up plan, if available
- Photos of the joints, close up and from further back
- The site address and postcode
A handful of photos and a postcode is the fastest way to a quote. Upload them with the quote form, or phone 01277 525 020 or send photos by email to discuss it first.
Frames, entrances and external joints in Chelmsford
Chelmsford is about 30 miles from central London. Managed blocks of flats are a big part of commuter-belt property, and window and balcony mastic on them tends to age at the same rate. The South East is one of the drier parts of the UK. Outside work still depends on dry joints, and south- and west-facing elevations, which take the most sun and rain, often age first.
Trustees of buildings like Church of the Holy Trinity can bring frame and external mastic into a planned maintenance list. For agents with blocks near Chelmsford station, 0.7 miles to the west of Chelmsford, a block-wide mastic programme deals with frames, balconies and entrances in one go.
Chelmsford is about 30 miles north-east of London, in Essex. If you’re looking for mastic sealing in Chelmsford, we can help. Across Essex, 644 places are covered, Chelmsford among them. Our London page has more on work in that area, about 30 miles away.
Commercial sites across CM1, CM2, CM3 and CM4 are covered. We cover commercial and managed buildings on Backnang Square, High Street and Barrack Square and the roads nearby. You will find Chelmsford on or near the A12 and A130. Nearby places we also cover include Moulsham (1 mile south-west), Patching (1 mile north-west), Widford (2 miles south-west), Broomfield (2 miles north) and Writtle (3 miles west). Further afield, our area takes in Basildon (11 miles south), Braintree (11 miles north), Brentwood (11 miles south-west), Maldon (8 miles east), Canvey Island (15 miles south) and Billericay (8 miles south). Among the larger centres in Essex is Chelmsford, and its commercial and public buildings are all within our area.
Around Chelmsford
Around Chelmsford, our work takes us to commercial buildings near Our Lady Immaculate Church, The Boswells School and Chelmsford College. Nearby too are Chelmer Valley Riverside (0.5 miles north-west) and The Two Brewers Public House (less than half a mile south-west). The nearest railway station is Chelmsford station, about 0.7 miles west of the centre. Well-known places in the area include Priory Hospital (less than half a mile north) and Peter Edwards Museum And Library (0.8 miles south-west). Open spaces near Chelmsford include Newland Grove.
When to call us in Chelmsford
We often find joints filled solid with no backing rod so the mastic is bonded on three sides. It can’t stretch properly and splits as the building moves.
Any of the following is a good reason to get the joints checked over:
- Leaks at window and door perimeters
- Old repairs sealed over failed mastic
- Failed external movement joints
- Cracked, hardened mastic round windows on a block
For a school such as Trinity Road Primary School, perimeter mastic on windows and doors is a holiday job.
Questions to ask before you book
- How joint depth will be controlled
- Which product they’ll use, and why it suits the joint
- Will failed sealant be removed rather than covered?
- How long is the guarantee, and what does it include?