Furner's Green construction mastic
Construction mastic in Furner's Green, backed by over 20 years in commercial sealing. Fully insured and CHAS accredited.
- New external sealant already peeling away
- Missed perimeter joints on a new elevation
- Internal caulk splitting as the building dries out
Construction mastic near Furner's Green
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Work for main contractors and building owners
For main contractors, we work as the sealant subcontractor. We work to your programme, your specification and your site rules, and our applicators hold CSCS cards.
When you manage a building on behalf of an owner, 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.
Construction mastic in Furner's Green, done properly
Mastic follows everyone else, which means it absorbs every delay upstream. We agree a sequence at the start and adjust it as the site manager releases areas. That keeps the work right first time and saves rework. If you have frame perimeters left unsealed or poorly sealed and frame gaps too wide for sealant alone, we can put it right, whatever the surface. A specialist sealant contractor works differently from a general builder: on jobs in Furner's Green, preparation and product choice get the time they need.
Sites around smaller places like Furner's Green can be a fair drive from suppliers, so we come with everything the package needs. Drawings, photos and the programme let us give a fixed quote.
The 12-month guarantee covers our workmanship: preparation, application and finish. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.
- Location
- Furner's Green (TN22)
- Wider area
- East Sussex
- Guarantee
- A 12-month guarantee
- Quotes
- Fixed quote, scope in writing
- Call
- 01277 525 020
- Updated
- 3 November 2026
Diagnose, treat, sign off
We follow your site rules from the start: signing in, inductions and any permit to work. With the paperwork done, we take the joints in the sequence agreed with you, and each area is checked before we leave it. Rural sites near Furner's Green may need directions, gate codes or a contact on site. Send that with the details and we’ll confirm the plan with the quote.
- We start with the drawings, specification and programme.
- We take off quantities and return a fixed quote.
- The sequence is agreed with the site manager.
- Each area is sealed when it’s released.
- Joints are prepared, backed and sealed to the specification.
- After snagging, the work is handed over under our 12-month guarantee.
Getting the site ready
- Share the asbestos register for older buildings
- Move anything stored against the joints
- Have the specification and drawings to hand
Ask for a quote
Every job follows the same four steps: send details, get a quote, we seal, guaranteed. To take the first step, call 01277 525 020 or email a schedule or drawings.
Read more
Common problems we fix in Furner's Green
Wide, tapered or inconsistent gaps around frames are a common problem. Sealant has a range of joint widths it can cope with, so gaps outside that range need sorting by the installer first. We flag them early rather than filling them with sealant that won’t last.
Things that normally lead to an enquiry:
- Oversized or tapered gaps around new frames
- External joints sealed in damp or cold conditions that are now failing
- Internal caulk splitting as the building dries out
- A long mastic snag list close to completion
On a campus such as University of Sussex, which lies south-west of Furner's Green, new teaching buildings and residences are usually built and refurbished around the academic year.
Before you book anyone
- Is the sealant right for the movement and the substrate?
- Will CSCS-carded applicators be on site?
- Can the work be phased to keep areas open?
- What level of public liability insurance do they hold?
Common questions from Furner's Green clients
Is Furner's Green too far out for you?
No. Small places get the same service as large ones. We cover Greater London and the counties of the South East. Send photos and a list of what needs doing, and we will plan the job to need as few trips as possible.
Can you work at a site such as Horsted Keynes Business Park, by Furner's Green?
Yes, sites like Horsted Keynes Business Park are within our area, along with the rest of Furner's Green. Send details of the unit and the work through our quote form for a quick quote.
Do you use the sealant named in the specification?
The specified product is what goes in. If we think an alternative would suit better, we put it to you first.
How do you choose the sealant?
If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.
Can you work while the building is occupied?
In the majority of cases, yes. We phase the work so most of the building stays in use.
Can you work to our specification?
Yes. We follow the specification, along with the manufacturer’s installation guidance, and we raise anything unclear before work begins.
How do we ask for a quote?
It works in four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. The first step only needs photographs and a postcode.
General trades versus a specialist
For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.
What you see is the finished bead, but most of the work is hidden. Backing rod, primer where specified and a joint designed to move with the building are where general trades tend to cut corners.
Places near Furner's Green
What else we do in Furner's Green
Maintenance after handover
A few simple habits keep the new joints working:
- Protect sealed areas from following trades
- Plan external elevations with the weather in mind
- Put any product change through the designer first
- Note which sealant went where at handover
Brief the sparkle clean so they don’t scrape the new joints. Scrapers used on frames and worktops can nick or lift a new bead.
Sealing outside when the joint is damp or too cold leads to poor adhesion. Waiting for a dry joint and the right temperature is better than redoing work.
New build and refits around Furner's Green
The South East is one of the drier parts of the UK. Winter mornings still bring frost and condensation on frames and panels, which is why external dates are agreed with the site manager. Furner's Green is about 34 miles from central London. Building activity in the commuter belt runs from new flats near stations to business park refurbishments, and main contractors there need mastic that keeps to the programme.
For a contractor working at a hospital such as Princess Royal Hospital, which lies west of Furner's Green, perimeter and facade sealing is planned around patients and deliveries. For a contractor at a hotel such as The Sheffield Arms Hotel, 0.7 miles to the south of Furner's Green, the mastic often has to be finished before a reopening date.
Furner's Green is about 5 miles east of Haywards Heath, in East Sussex. Across the TN22 postcode area, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Furner's Green is one of 308 places we cover in East Sussex. Brighton is covered too, some 14 miles away.
We take on mastic packages across the TN22 postcode area, whatever the building. Buildings on Tanyard Lane and Slider's Lane are within our area for mastic packages. If your building is just outside Furner's Green, we cover Danehill (1 mile north), Chelwood Common (2 miles north), Horsted Keynes (2 miles north-west), Chelwood Gate (2 miles north) and Nutley (2 miles north-east). Bigger towns within reach include Lewes (10 miles south), Hailsham (15 miles south-east), Crowborough (7 miles east), Uckfield (5 miles south-east), Newhaven (15 miles south) and Peacehaven (15 miles south).
Near you in Furner's Green
Recent enquiries here include premises near Sheffield Park Garden and the streets around them. Furner's Green’s nearest station is Haywards Heath station, roughly 5 miles west. Other landmarks nearby include Princess Royal Hospital (4.6 miles west) and Waterbury Castle (2.5 miles north-west). For a walk, there’s Brickfield Meadow.
What sealant work can’t fix
We check first that sealant really is the fix. It isn’t the answer for:
- Frames fitted out of tolerance
- Specifying the product where the designer hasn’t
- Joints damaged after sign-off by following trades
Not sure which it is? You can call 01277 525 020 or email the details over and we will tell you honestly.
Where we work in Furner's Green
- Window and door perimeters
- Internal decorators’ caulk
- Sanitary and kitchen joints
- Brick and block movement joints
- Cladding and panel joints
- Floor and skirting junctions