Expansion joint sealing in Great Thorness
Looking for expansion joint sealing in Great Thorness? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.
- Rain penetration at brick or block movement joints
- Sealant pulling off the joint face
- Expansion joints filled with dirt and stones
Expansion joint sealing across Great Thorness
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Expansion joint sealing for commercial buildings in Great Thorness
A movement joint only works while its seal does. When the sealant splits or lets go, the gap fills with dirt and water. Dealt with early, it stays a sealant job rather than a concrete or masonry repair. We work on brickwork movement joints, car park decks and ramps and blockwork control joints, and what we are called in for most is water dripping through deck or ramp joints and sealant peeling off one face of the joint. A specialist sealant contractor works differently from a general builder: in Great Thorness, that means joint design, primers and backing rod as standard.
Smaller community and commercial buildings around Great Thorness have their own movement joints in walls and floors. They tend to be overlooked until something leaks or cracks.
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.
- Place
- Great Thorness (PO31)
- Region
- Isle of Wight
- Cover
- 12 months on every job
- Quotes
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Why it’s worth doing now in Great Thorness
Patching the worst lengths of a joint can make sense short term. The remaining sealant is often close to failing too. We can price a patch and a full reseal side by side. Around Great Thorness, it’s better to renew all the failing joints at once. Send photos of each area and we’ll quote for the lot.
A quote for movement joints depends on quantities, condition and access, and any specification that applies. Ask us for a fixed quote.
Why clients in Great Thorness choose us
- Work to your specification and the manufacturer’s guidance
- Workmanship guaranteed for 12 months
- Coloured sealants to suit the setting, where available
- Constructionline member
Read our cost guide and how we’re accredited.
Great Thorness: questions and answers
Does a coastal location like Great Thorness affect which sealant is used?
It can. Driven rain and salt are tougher on outside sealant than sheltered inland conditions. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.
Do you cover business parks and estates near Great Thorness, such as Porchfield Business Park?
Yes, sites like Porchfield Business Park are within our area, along with the rest of Great Thorness. To start, just speak to us on 01277 525 020 or send details through our quote form with the unit, the joints involved and your access times.
Do you seal on top of existing sealant?
No. Sealing over old material is one of the classic causes of early joint failure, so it all comes out first.
Does weather matter for sealant work?
It can, when the joints are outside. Sealant won’t bond properly to a wet or frosty joint, so we watch the forecast and rearrange outside work if we have to. Internal work is far less affected.
What do you charge?
It depends on the job: quantities, access, the product and any phasing. Call for a quote.
What guarantee do you give on joint sealing?
It’s backed by our 12-month guarantee. If a joint we sealed fails inside the 12 months, let us know.
Are you insured?
Yes. We’re fully insured, and the certificate can go with your quote.
From enquiry to sign-off
Site rules come first: sign-in, induction and whatever permit system the building uses. Once we are cleared to begin, the joints are worked through in the order agreed with your site contact, and each area is checked before we leave it. Smaller jobs around Great Thorness can be grouped with others nearby, which keeps travel down. You’ll have a fixed quote before work starts.
- We start with photographs, approximate lengths and any drawings, visiting where needed.
- Joint widths and expected movement are checked against what the sealant can take, and flag anything that needs an engineer.
- Every joint is cleared of the failed seal and any grit packed into it.
- Any broken arrises or friable edges are flagged before work goes further.
- The right sealant goes in at the right depth, bonded to the two sides only.
- Areas reopen once cured, and the work carries our 12-month guarantee.
Getting the site ready
- Tell us what induction or permit system the site runs
- Send asbestos survey details if the building is pre-2000
- Point out any areas we must not close
Quotes
The quickest route to a quote is a few photos and the site postcode. Upload them with the quote form, or speak to us on 01277 525 020 or send details through our quote form to discuss it first.
Advice
Traffic, movement and joints around Great Thorness
The sea is no more than about 1 mile from Great Thorness. External movement joints in car parks, ramps and yards near the coast take salt and wind-driven rain on top of traffic, so it pays to keep them sealed. Great Thorness has two named business or industrial parks inside a 3-mile radius. Floors, loading bays and yards on sites like these are where floor and movement joints work hardest.
Phasing is what makes joint work possible on busy sites such as Carisbrooke Retail Park (2.9 miles south-east of Great Thorness): one bay, aisle or car park row at a time. Hospitals like Mr Rohan Sawant (St Mary’s Hospital) (2.8 miles south-east of Great Thorness) have multi-storey or surface car parks whose joints carry vehicles round the clock.
Great Thorness is about 3 miles south-west of Cowes, in the Isle of Wight. If you’re looking for expansion joint sealing in Great Thorness, we can help, as we do across the Isle of Wight. Great Thorness is one of 125 places in the Isle of Wight on our list. Our Southampton page has more on work in that area.
Postcode districts covered here: PO31. Just outside Great Thorness, we also work in Porchfield (1 mile south-west), Locksgreen (1 mile south-west), Rew Street (2 miles north-east), Newtown (2 miles south-west) and Northwood (2 miles north-east). A short drive away, we cover Newport (3 miles south-east), Ryde (9 miles east), Cowes (3 miles north-east), Sandown (10 miles south-east), Shanklin (10 miles south-east) and Ventnor (11 miles south-east). 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.
What’s near Great Thorness
We work on buildings around Sportsman's Rest pub, among other places. A little further out are Carisbrooke Castle (3.5 miles south-east) and St Mary's Hospital (2.8 miles south-east). For a walk, there’s Mill Hill.
Signs you need expansion joint sealing in Great Thorness
When the movement exceeds the sealant’s capability, the bead tears. Cohesive failure, a split through the centre, typically means the joint or product wasn’t right for the movement. The same product in the same joint tends to fail again unless width and product are reviewed.
Site and facilities staff are often the first to spot these:
- Debris jammed in movement joints
- Sealant peeling off one face of the joint
- Water getting into the wall through a failed joint
- Brittle, chalky sealant on external joints
Parks like Porchfield Business Park (to the south-west of Great Thorness) combine paved areas, car parks and building elevations, each with joints that move.
Comparing quotes
- The named product and why it was chosen
- Will failed sealant be removed rather than covered?
- Whether their applicators hold CSCS cards
- How the joint faces will be prepared and primed
Doing it in-house
Certain joints really need a specialist: for example 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.
The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are where general trades tend to cut corners.
Places near Great Thorness
What else we do in Great Thorness
When something else is needed
Sealant solves a lot, but not everything, and we are upfront when that’s the case. It won’t fix:
- Proprietary pre-formed expansion joint systems
- Movement on a scale no sealant is meant to absorb
- Changing the joint layout or spacing of a structure
If you’re not sure, just phone 01277 525 020 or email drawings and photos and we will give you a straight answer.
Where we work in Great Thorness
- Podiums and floor movement joints
- Car park decks and ramps
- Brickwork movement joints
- Blockwork control joints
- Precast concrete panel joints
- Cladding panel joints
What the job involves on each surface
Concrete and precast panel joints
Joints between precast panels open and close with temperature and loading. The sealant needs the right movement capability and a controlled depth.
Internal floor movement joints
Floor joints include saw-cut joints and construction joints. A semi-rigid filler is common in trafficked industrial floors, with a flexible sealant where movement is larger.