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

Hare Green construction mastic

We carry out mastic packages for new-build and refurbishment projects in Hare Green. Send photographs or drawings for a fixed quote.

  • Sanitary sealant damaged by following trades
  • Cracks opening in caulked internal joints
  • Mastic snags holding up handover
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
Covering the South East & Scotland
CHAS accredited
£5m PL insurance

Need construction mastic in Hare Green?

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

What sealant work can’t fix

Honesty saves time and money. New sealant won’t cure:

  • Fire-stopping design or sign-off (that’s for the designer, fire engineer and building control)
  • Rework caused by others damaging completed areas
  • Frame gaps too wide for sealant, which the installer needs to correct

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

Surfaces we seal

  • Window and door perimeters
  • Cladding and panel joints
  • Sanitary and kitchen joints
  • Internal decorators’ caulk
  • Floor and skirting junctions
  • Brick and block movement joints

About our construction mastic in Hare Green

Site managers want applicators who turn up with the right cards and paperwork. Our applicators are CSCS-carded, and we’re CHAS accredited and a Constructionline member, and we are fully insured. Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote. Most enquiries involve cracks opening in caulked internal joints and frame gaps too wide for sealant alone, across sanitary and kitchen joints, internal decorators’ caulk and cladding and panel joints. Whoever orders the work in Hare Green, the brief is normally the same: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

In the countryside around places like Hare Green, conversion schemes put new frames into old stone, flint, brick or timber. Those joints need a sealant that suits an uneven, sometimes porous surface, and often a colour chosen for the building.

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.

Where
Hare Green (CO7)
Region
Essex
Guarantee
12 months on our workmanship
Quote
Quoted before any work starts
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Keeping the joints sound

Once the work is signed off, these steps help:

  • Release areas for mastic once other trades have finished in them
  • Keep product details for future maintenance
  • Stick to the specified sealant rather than a generic substitute
  • Protect sealed areas from following trades

After we’ve sealed an area, it helps to keep other trades from damaging the joints. Fresh sealant needs its cure time before it’s cleaned, painted near or knocked, and that time depends on the product, temperature and joint depth.

In wet areas, a weak sanitary joint shows up quickly once the building is occupied. Water gets behind trays, vanity tops and panels, leaving the remedial work to the contractor. Getting the product and preparation right first time avoids that.

What sets the cost

Your fixed quote is built from the real scope. It allows for:

  • Whether old sealant has to be cut out first
  • Induction, permit and paperwork requirements
  • The total length or number of joints
  • Any access equipment needed

Every site prices differently: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.

What to include in your enquiry

There’s no need for a formal survey. These details are enough to start:

  • Your programme or deadline
  • Clear photographs of the problem areas
  • Drawings or a marked-up plan, if available
  • The type of building and who uses it

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To start the process, call the office on 01277 525 020 or email the details over.

Sites and facades in and around Hare Green

Hare Green lies roughly 55 miles out from central London. Building activity in the commuter belt runs from new flats near stations to business park refurbishments, which keeps mastic packages in demand. Hare Green is in the South East, one of the UK’s drier regions. Still, external mastic needs dry faces within the maker’s temperature limits, which isn’t every day, so external mastic is timed for workable conditions and agreed with the site manager.

For contractors at a school such as St George's Church of England Primary School, sealing has to be finished before term starts. Recladding or extending a unit at a site like Plough Road Business Centre, 2.5 miles south-east of Hare Green, brings panel joints and frame perimeters into the programme. Historic houses such as Castle House, 5 miles to the north of Hare Green, are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.

Hare Green is about 6 miles east of Colchester, in Essex. We send applicators to Hare Green for mastic packages, handled exactly as we handle every other area. Hare Green is one of 644 places we cover in Essex for mastic packages. London is covered too, some 55 miles away.

If you need construction mastic in CO7, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. Buildings on Back Lane East, Harwich Road and Meadow Close are within our area for mastic packages. Close to Hare Green, our area also takes in Balls Green (1 mile south), Cowey Green (1 mile north), Frating Green (1 mile south), Great Bromley (1 mile north-west) and Monkey Street (1 mile east). A short drive away, we cover Colchester (6 miles west), Clacton-on-Sea (7 miles south-east), Harwich (10 miles east), Camulodunum (7 miles west), Greenstead (4 miles west) and Tiptree (13 miles west).

Around Hare Green

Locally, jobs take us to sites close to Old Courthouse Inn, among other places. The nearest railway station is Great Bentley station, roughly 2.4 miles south-east. A little further out are Wivenhoe Chapel Museum (3.5 miles south-west). For a walk, there’s Cockaynes Wood.

Map of Hare Green © OpenStreetMap contributors

Surface by surface

External facade and movement joints

Many facade substrates need a primer before sealing. Primer goes on where the sealant maker calls for it and work only when conditions suit.

Kitchens and utility areas

Worktop upstands, sinks and splashbacks are sealed once the kitchen is fitted. The sealant is a kitchen-grade product.

On site: what to expect

Working in a building that stays open takes some planning. The work area is signed and kept contained, with routes through the building left open and move on in phases so staff and visitors can carry on around us. If others near Hare Green need work, visits can be combined, which keeps travel down. You will have a fixed quote before work starts.

  1. We walk the site or review drawings to understand the package.
  2. A fixed quote sets out scope, products and phasing.
  3. Site paperwork is confirmed and our CSCS-carded applicators are inducted.
  4. Sealing follows the programme as areas are released.
  5. Problems we find, such as oversized gaps, are raised straight away.
  6. The package is closed out, snags cleared and backed by our 12-month guarantee.

What we need from you

  • Let us know about inductions and permits
  • Move anything stored against the joints
  • Warn occupants and staff about the work

Request a quote

Every job follows the same four steps: send details, get a quote, we seal, guaranteed. The first step is to call 01277 525 020 or send details through our quote form with what you know.

Get a price

Advice

Building owners, agents and FMs in Hare Green

Main contractors use us as their sealant subcontractor on new-build and refurbishment projects. We work to your programme, your specification and your site rules.

Whether you are a managing agent, a property factor or an owner’s representative: send details, get a fixed quote, we seal, guaranteed. We can agree access arrangements and keyholder contacts beforehand.

Questions we are asked in Hare Green

Will you plan work around the academic year at somewhere like University of Essex?

Yes. Education sites typically want the work in vacations or in phases during term, and we plan to suit. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

Can you work at a site such as Plough Road Business Centre, by Hare Green?

Yes, sites like Plough Road Business Centre are within our area, along with the rest of Hare Green. A few photos and the unit address let us price the work.

Can you seal external joints in wet or cold weather?

Conditions have to suit the product before external work starts. Sealing in poor conditions risks adhesion failure.

Do you use the sealant named in the specification?

We follow the specified sealant, and we’ll raise it if something in it doesn’t suit the joint. Product standards such as BS EN 15651 are often named in specifications.

When can you be on site?

Mention the site’s hours and access windows in your enquiry, and we’ll plan around them. You can reach the office between 8am and 5pm, Monday to Friday.

Can you work plot by plot or floor by floor?

We work to your programme. Share the release dates and we will match our work to them, sealing as areas become ready.

Is colour matching possible?

In many cases, yes. Many products come in a range of standard colours, and matching to RAL references or surrounding finishes is often possible. We will confirm the colours available for the specified product.

Accreditations

Trusted. Accredited. Insured.