
Expansion Joint Sealing in Sharpthorne
We carry out expansion and movement joint sealing in walls, decks and floors in Sharpthorne and the surrounding area. Send photographs or drawings for a fixed quote.
- Arrises breaking up along floor joints
- Movement joints with split or torn sealant
- Joints where the bead has lost adhesion
Expansion joint sealing for businesses in Sharpthorne
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
About our expansion joint sealing in Sharpthorne
Width, depth and product all have to work together. Joint width must suit the movement and the movement class of the sealant, and depth is controlled using closed-cell backing rod, or bond-breaker tape in shallow joints. For wider joints, the width-to-depth ratio is often around 2:1, as the manufacturer advises, and the bead is tooled so it grips the two faces alone. We work on precast concrete panel joints, brickwork movement joints and blockwork control joints, and the usual reasons a site gets in touch are arrises breaking up along floor joints and debris jammed in movement joints. One point of contact handles commercial sealant work in Sharpthorne from the first photographs to the final walk-round, for single jobs and planned programmes alike.
Jobs around smaller places like Sharpthorne are planned so the whole job is done in one visit, with the right materials on hand. Tell us the joint widths if you can, and what drives or walks over them.
Our workmanship is guaranteed for 12 months. If our installation lets you down in that time, we return and fix it.
- Location
- Sharpthorne (RH19)
- Wider area
- West Sussex
- Guarantee
- 12 months on our workmanship
- Quotes
- A fixed quote before we start
- Call
- 01277 525 020
- Last updated
- 3 November 2026

Floors, slabs and movement joints in Sharpthorne
Sharpthorne sits in one of the drier corners of the country, the South East. External joints still wait for dry conditions, and where de-icing salt is spread in winter, open joints let it in. Sharpthorne has at least three named business or industrial parks inside a 3-mile radius. Sites like these are full of saw-cut floor joints, yard slabs and car park joints.
Business parks such as Hangdown Mead Business Park (under half a mile south-east of Sharpthorne) have car parks, paved areas and long brick and panel elevations, all with movement joints. Phasing is what makes joint work possible on busy sites such as Horsted Keynes Business Park (2 miles south of Sharpthorne): one bay, aisle or car park row at a time.
Sharpthorne is about 4 miles south of East Grinstead, in West Sussex. Looking for expansion joint sealing in Sharpthorne? We can help. Sharpthorne is one of 373 places we cover in West Sussex. Our Brighton page has more on work in that area (17 miles or so).
We take on movement joints across the RH19 postcode area, for business premises of every kind. If your site is on Station Road, Marlpit Road and Bayhams Field or close by, we can quote for movement joints. Close to Sharpthorne, our area also takes in West Hoathly (1 mile west), Highbrook (2 miles south), Selsfield Common (2 miles north-west), Little London (2 miles south-west) and Birchgrove (3 miles south-east). Bigger towns within reach include Crawley (7 miles west), Horsham (12 miles west), Haywards Heath (6 miles south-west), Burgess Hill (9 miles south-west), East Grinstead (4 miles north) and Broadfield (7 miles west).
Landmarks near Sharpthorne
Around Sharpthorne, our work takes us to commercial buildings near The Fox pub, among other places. Sharpthorne’s nearest station is East Grinstead station, roughly 3.6 miles north. Other landmarks nearby include Waterbury Castle (2.6 miles south) and East Grinstead Museum (3.7 miles north-east). The countryside around Sharpthorne includes Hedgecourt Lake.
On site: what to expect
Tell us your site hours and access windows and we will plan around them. While we are working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. Rural sites near Sharpthorne may need directions, gate codes or a contact on site. Add it to your enquiry and we’ll build it into the plan.
- First the joints are inspected, widths measured and the type of failure noted.
- A fixed quote names the sealant we propose and its movement class.
- Phasing is agreed so decks, floors or entrances can stay in use where needed.
- We strip the old sealant or filler and prepare each face until it’s sound and dry.
- Backing rod or bond-breaker sets the depth, primer goes on where specified, and the sealant is applied and tooled.
- We check each joint with you, confirm the cure time and sign off under our 12-month guarantee.
Getting the site ready
- Arrange parking or a loading space
- Tell us what induction or permit system the site runs
- For older buildings, check the asbestos register before work
Get a fixed quote
Let us know the site, the scope and your timescale, and a fixed quote will follow. The easiest way is to call 01277 525 020 or email drawings and photos.
Advice
Your questions answered
Is a smaller place like Sharpthorne outside your area?
Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. We plan jobs in smaller places so return trips are kept to a minimum.
Can you work at a site such as Hangdown Mead Business Park, by Sharpthorne?
Yes. Our area takes in Sharpthorne and its surroundings, with estates and business parks such as Hangdown Mead Business Park included. A few photos and the unit address let us price the work.
How do I request a quote?
It works in four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photographs and a postcode.
Do you have public liability insurance?
Yes. Our insurance certificate can be sent alongside the quote.
How long does movement joint sealing take?
Allow a short visit for a handful of joints, or several days or more for a car park deck or long runs of facade joints. Timings are set out in the quote along with the phasing plan.
Is any job too small?
Small jobs are welcome alongside larger packages. Send details for a fixed quote.
Do the joint edges need to be sound before sealing?
Sealant needs sound faces to bond to, so broken or crumbling edges have to be repaired first. We flag it at the quote stage where we can see it.
When to call us in Sharpthorne
Car park decks and floors face loads that walls never see. Wheel loads stress the sealant and the arrises, while grit and salts work into any gap. The product has to be suited to the traffic.
It’s worth sending us details if you spot any of the following:
- Joints packed with grit and debris
- Water getting into the wall through a failed joint
- Layers of sealant in a movement joint
- Leaks through car park deck joints onto the level below
In a school such as West Hoathly CofE Primary School, movement joints in brick, block and hall floors tend to be forgotten until they leak.
What to look for in a quote
- How the existing material will be dealt with
- Who will actually carry out the work
- Which product they’ll use, and why it suits the joint
- The terms of the workmanship guarantee
What sealant work can’t fix
Not every problem is a sealant problem, and we are upfront when that’s the case. It won’t fix:
- Proprietary pre-formed expansion joint systems
- Failed waterproofing membranes on podiums, roofs or decks (a waterproofing specialist’s job)
- Joints too narrow for the movement, which need redesigning by the engineer
If you’re not sure, just speak to us on 01277 525 020 or use the quote form and we’ll give you a straight answer before you book.
Joints and surfaces we work on
- Brickwork movement joints
- Blockwork control joints
- Car park decks and ramps
- Precast concrete panel joints
- Podiums and floor movement joints
- Cladding panel joints
Maintenance after handover
Cleaning and maintenance staff play a part too. Share these points with them:
- Keep stones and debris out of open joint lines
- Note which joints were done, when, and with what
- Act on the first tear or lifting edge rather than waiting
- Brief car park operatives to protect joint lines during winter clearance
Floor joints on main traffic routes need watching more closely than the rest. Keep racking feet and heavy point loads off joint lines.
A failed deck joint lets water straight through to the level below. That water often carries de-icing salts with it, which is bad news for the concrete and the people parking below. Sealing the joint promptly stops it at source.
How the quote is worked out
Each job is priced on its own details. The things that drive the figure:
- Travel to remote or island sites
- The product specified
- Whether the work must be split into stages
- Whether old sealant has to be cut out first
We don’t publish prices, since every building and every scope is different. Call for a quote and we will price your job on its own details.
What we need to price the job
Diagnosis starts before we arrive. Tell us:
- When you need the work done
- The type of building and who uses it
- Anything awkward about access or site hours
- Any specification or named product
Pricing a project or setting a maintenance budget? We will quote against your scope and drawings that you can work with. For a chat about it beforehand, call 01277 525 020 or send details through our quote form.
Also near Sharpthorne
What else we do in Sharpthorne
Why it’s worth doing now in Sharpthorne
Some quotes just add sealant over the old bead. A bead over the old seal can’t bond or flex, so it fails quickly. We cut out the old seal and prepare the faces every time. For buildings around smaller places like Sharpthorne, water damage can go unnoticed for longer, especially where a building isn’t used daily, which gives a failed joint time to do damage. Resealing early avoids that.
Small jobs and large programmes are priced from the same things: scope, access, product and programme. Call for a quote, and you’ll have a fixed figure to work with.
Why choose Mastic Doctor in Sharpthorne
- Coloured sealants to suit the setting, where available
- Joints cleaned back to sound surfaces
- Health and safety: CHAS accredited
- Sealing commercial buildings since 2005
Read what affects the cost and our accreditations and insurance.