Bonchurch expansion joint sealing
Expansion and movement joint sealing in walls, decks and floors in Bonchurch. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.
- Sealant pulling off the joint face
- Movement joints with split or torn sealant
- Expansion joints filled with dirt and stones
Expansion joint sealing for businesses in Bonchurch
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
About our expansion joint sealing in Bonchurch
For movement joints in Bonchurch, photos and approximate lengths are the best start. We will come and look where photos don’t show enough, then send a fixed quote that names the sealant. You can also ring 01277 525 020 or email drawings and photos to talk the joints through. Site teams most often ask us about movement joints with split or torn sealant and debris jammed in movement joints, across brickwork movement joints, podiums and floor movement joints and cladding panel joints. Searching for sealant specialists in Bonchurch? Mastic Doctor has worked for contractors, FMs and building owners since 2005, with CSCS-carded applicators.
In and around smaller places like Bonchurch, the concrete floors we see are often in converted farm buildings, small workshops and storage units. Joints in those slabs take vehicles, trolleys and foot traffic, and need a filler or sealant to match.
The 12-month guarantee is for workmanship rather than wear and tear. How long a sealant joint lasts depends on movement, exposure, cleaning and use, so we are clear about what is covered before work starts.
- Location
- Bonchurch (PO38)
- Wider area
- Isle of Wight
- Guarantee
- A 12-month guarantee
- Price
- Quoted before any work starts
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
Maintenance after handover
Every sealant joint needs some looking after, and how long they last depends on how they’re treated. Our advice:
- Clear dirt from joint lines during routine cleaning
- Plan racking layouts so feet don’t land on a joint
- Inspect exposed joints once the cold weather has passed
- Inspect movement joints alongside other routine building checks
Floor joints on main traffic routes need watching more closely than the rest. Avoid standing heavy loads or racking legs on the joints, and report any chipped edges early.
External wall joints that fail let rain into the masonry and cavity. The first sign is often a damp patch indoors by which time the joint has been open for a while. Catching it early keeps the water outside.
How a job runs
A typical day starts with protection: tape along each joint edge and covers over finishes, stock and equipment close by. On site, the work normally takes anything from part of a day to a couple of weeks, depending on joint lengths, widths and access, and we clear our waste as we work. Smaller jobs around Bonchurch can be grouped with others nearby. A fixed quote is given before anything starts.
- First the joints are inspected, widths measured and the type of failure noted.
- You receive a fixed quote stating the product and the movement it is rated for.
- Phasing is agreed so decks, floors or entrances can stay in use where needed.
- The failed seal is cut out and both joint faces cleaned back to sound material.
- Backing rod or bond-breaker sets the depth, primer goes on where specified, and the sealant is applied and tooled.
- Finished joints are inspected, the cure time confirmed and the 12-month guarantee applies.
What we need from you
- Share your working hours and any access restrictions
- Arrange parking or a loading space
- Let building users know which areas are affected
Request a quote
Photos, drawings or a schedule of the joints are often enough for a fixed quote. Where a site visit makes more sense, we’ll arrange one.
Related advice
How the job changes by surface
Cladding panel joints
Metal and composite panels shift considerably as temperatures change. A sealant with the right movement class is chosen in a colour confirmed for that product.
Car park decks and ramps
Failed deck joints often show as leaks on the level below. The old seal comes out, the edges are prepared and the joint resealed flagging broken edges along the way.
When something else is needed
Part of a good diagnosis is knowing where sealant stops. We’ll tell you if the real problem is any of the following:
- Joints too narrow for the movement, which need redesigning by the engineer
- Mechanical expansion joint covers, cover plates or proprietary joint systems (a specialist supplier’s job)
- Crumbling edges that would give a new bead nothing sound to grip
Not sure which it is? You can ring 01277 525 020 or use the quote form and we will tell you honestly.
Joints and surfaces we work on
- Podiums and floor movement joints
- Brickwork movement joints
- Cladding panel joints
- Blockwork control joints
- Precast concrete panel joints
- Car park decks and ramps
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.
Planned maintenance programmes are welcome: working through a building or an estate in stages that fit your budget. Bonchurch can form part of a wider programme.
Expansion joint sealing around Bonchurch: what changes locally
Bonchurch sits close to the coast, within about 1 mile. Coastal yards and decks give their joints salt and wet weather to deal with, not just wheels, and edges left open tend to break up faster. Bonchurch sits in one of the drier corners of the country, the South East. External slab and deck joints still need a dry, clean joint to seal, and gritting in cold spells finds its way into open joints.
Schools such as St Catherine's School have movement joints in their walls and floors that are easy to overlook. Another example is Wroxall Industrial Estate, 2.2 miles to the north-west of Bonchurch, where floors and yards would be done in stages around the occupiers. Warehouse floors on estates like Ventnor Industrial Estate, 1.2 miles to the west of Bonchurch, carry pallet trucks and forklifts over every saw-cut joint.
Bonchurch is about 2 miles south of Shanklin, in the Isle of Wight. Any commercial site in Bonchurch is covered, whether it’s a single job or part of a planned programme. We work across 125 places in the Isle of Wight, large and small. Portsmouth is covered too, around 15 miles from Bonchurch.
We cover the PO38 postcode districts for movement joints. If your site is on Shore Road, Leeson Road and Bonchurch Village Road or close by, we can quote for movement joints. Close to Bonchurch, our area also takes in Luccombe Village (1 mile north), Ventnor (1 mile west), Steephill (2 miles west), Wroxall (2 miles north-west) and Shanklin (2 miles north). Bigger towns within reach include Newport (9 miles north-west), Ryde (9 miles north), Cowes (12 miles north-west), Sandown (4 miles north), East Cowes (12 miles north-west) and Oakfield (8 miles north). Island and remote sites need extra planning, with travel, ferry crossings where needed and weather to allow for, so give the site location in your enquiry.
Near you in Bonchurch
In Bonchurch, that means premises near Bonchurch Inn, among other places. The nearest railway station is Shanklin station, roughly 2.4 miles north. Well-known places in the area include Sandown Castle (4.3 miles north) and Arthur Webster Memorial Hospital for Children (2.5 miles north). The countryside around Bonchurch includes Alverstone Mead and St Boniface Down.
Leave it or put it right?
Leaving a failed movement joint rarely stays a small problem. Grit and water fill the gap and the material either side breaks up. Acting at the first split keeps the cost down. Around Bonchurch, it’s better to renew all the failing joints at once, rather than one at a time. Photos of every joint help us quote for the whole job.
The specified product makes a difference, as does the preparation each joint needs, such as cutting out, priming or new backing rod. Access, phasing and site rules also count.
What you get with us
- Over 20 years of commercial sealing
- RAL and finish matching where the product range allows
- CSCS-carded applicators
- Clear, fixed quotes
Read how commercial sealant jobs are priced and our accreditations and insurance.
Towns and villages near Bonchurch
Also in Bonchurch
FAQs: Bonchurch
Does your area include sites such as Ventnor Industrial Estate, near Bonchurch?
Yes. Estates, retail parks and business parks around Bonchurch, Ventnor Industrial Estate among them, are all within reach. Photos and a short description are enough for a first look.
Our building in Bonchurch is near the coast: does that change the sealant?
It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. We check the specified product suits the exposure and pay close attention to preparation.
What happens if old sealant might contain asbestos?
Managing asbestos is the dutyholder’s responsibility, so for older buildings we ask for the asbestos register first. If anything suspect turns up, we stop until it’s tested.
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.
Will you come and look before quoting?
Many jobs can be quoted from photos, drawings or a joint schedule. Where they aren’t, we arrange a site visit.
Can you send site paperwork?
Requirements differ from site to site, so list what you need, whether RAMS, insurance or CSCS details, and we will confirm with the quote.
Can you seal car park deck joints?
Yes. Tell us how the car park is used and which areas must stay open and we’ll plan around them.