Fratton expansion joint sealing
Commercial sealant work in Fratton for contractors, FMs and building owners: expansion and movement joint sealing in walls, decks and floors, with a fixed quote first.
- Sealant peeling off one face of the joint
- Water dripping through deck or ramp joints
- Torn sealant in brick or block movement joints
Need expansion joint sealing in Fratton?
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Leave it or put it right?
Some quotes just add sealant over the old bead. A bead over the old seal can’t bond or flex. We cut out the old seal and prepare the faces every time. Sealant hardens, cracks and loses grip with age, UV and movement. Renewing it in good time keeps the building weathertight.
The price depends on how many linear metres there are, what has to come out first and the access. Call for a quote when you’re ready.
Why appoint us
- Workmanship guaranteed for 12 months
- Commercial sealant work since 2005
- A Constructionline member, so easy to vet
- Products installed to the manufacturer’s instructions
Read how commercial sealant jobs are priced and our accreditations and insurance.
Expansion joint sealing in Fratton
Joint design counts for as much as the sealant itself. Joint width must suit the movement and the movement class of the sealant. For wider joints, many sealant makers recommend a width-to-depth ratio, often around 2:1 and the bead bonds to the sides, never the back. If you’re dealing with spalled or broken joint edges in floors and decks and damp inside where a wall movement joint has failed, we can put it right, whatever the surface. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Fratton is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.
Work in a smaller place like Fratton is typically one building at a time, so we gather photos and measurements first. That way the right materials come on the day and the job is done in one visit where possible.
Our 12-month guarantee is about workmanship, not 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.
- Place
- Fratton (PO1, PO4, PO3)
- Region
- Portsmouth
- Guarantee
- 12 months on every job
- Price
- Quoted before any work starts
- Call
- 01277 525 020
- Updated
- 3 November 2026
What affects the price in Fratton
A fixed quote reflects the actual work. It allows for:
- Location, for remote and island sites
- Whether the work must be split into stages
- Whether old sealant has to be cut out first
- The total length or number of joints
We don’t publish prices, because the scope varies so much from one building to the next. For a fixed figure, call for a quote and we will price your job on its own details.
Details that help us quote
The more we know, the firmer the quote. When you get in touch, include:
- Whether an asbestos survey exists
- Access details, including height
- Whether the building will be occupied during the work
- Any dates the work must fit around
Photos, drawings or a schedule of the joints are often enough for a fixed quote. Where a site visit makes more sense, we will arrange one.
Slabs, ramps and loading bays in Fratton
With the shore within about 2 miles, Fratton counts as a coastal location. External movement joints in car parks, ramps and yards near the coast take salt and wind-driven rain on top of traffic, so a failed joint lets more in and the edges break up sooner. Fratton is in the South East, one of the UK’s drier regions. Even so, yard and car park joints are only sealed when they’re dry and clean, while winter salting gets into any joint left open.
For estates staff at a university like University of Portsmouth, 0.5 miles to the south of Fratton, building and paving joints are part of the planned maintenance list. At places like Copnor Bridge Business Centre (0.6 miles north-east of Fratton), joints are sealed a section at a time so operations carry on.
Fratton is about 1 mile south-east of Portsmouth, in Portsmouth. If you are looking for expansion joint sealing in Fratton, we can help. We work across 19 places in Portsmouth, large and small.
Commercial sites across PO1, PO4 and PO3 are covered for movement joints. Buildings on Renny Road, Clive Road and Union Road are within our area for movement joints. Access to Fratton is via the A288 among other routes. Nearby places we also cover include Kingston (1 mile north-east), Portsmouth (1 mile north-west), Landport (1 mile west), Baffins (1 mile north-east) and Copnor (1 mile north-east). A short drive away, we cover Wymering (3 miles north), Paulsgrove (3 miles north), Cosham (3 miles north), Drayton (3 miles north) and Farlington (4 miles north-east).
Near you in Fratton
We work on buildings around The Portsmouth Academy, Alexandra Park and St Edmund's Catholic School and the streets around them. There’s a railway station in Fratton itself: Fratton station. A little further out are St Mary's Hospital (less than half a mile east) and Charles Dickens Birthplace Museum (0.8 miles north-west). The countryside around Fratton includes Milton Locks and Portsdown Hill.
What the job involves on each surface
Joints between different materials
Some mixed-material joints suit a hybrid sealant. The choice depends on the substrates and how much the joint moves, and confirm it in the quote.
Podium joints
Podiums take foot traffic, planters and weather. A sealant suited to both traffic and exposure is used.
Other services in Fratton
Should maintenance staff do it?
General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.
Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.
Signs you need expansion joint sealing in Fratton
Three-sided adhesion is a common cause of early failure. Sealant fixed to the base and sides can’t flex, so it tears so backing is set before sealing.
If one of these sounds familiar, it’s time for a closer look:
- Spalled or broken joint edges in floors and decks
- Sealant pulling off the joint face
- Hardened, cracked sealant on exposed facades
- Previous reseals laid over old sealant
For a store at a site such as The Bridge Shopping Centre, under half a mile south-west of Fratton, the service yard and goods-in area are where joints break down first.
Comparing quotes
- The terms of the workmanship guarantee
- Health and safety accreditation such as CHAS
- How they’ll work around occupants
- How the existing material will be dealt with
Questions we are asked in Fratton
Can you work on a hospital site such as St James Hospital?
Yes, healthcare and care buildings are part of our work. Work is phased so departments keep running, under the site’s own rules.
Can being near the sea in Fratton affect the sealant we need?
It can, yes: buildings near the sea take more wind-driven rain, and salt in the air nearer the shore. We choose the product for the exposure, prime where the manufacturer requires it and size the joint for its movement.
Are your applicators CSCS-carded?
Yes. Our applicators hold CSCS cards, as many construction sites ask for.
Can you send site paperwork?
Each site asks for different documents, so tell us what you need and we’ll confirm it when we quote.
Do you offer coloured sealant?
In many cases, yes. Sealants are made in a wide range of standard colours, and matching to RAL references or nearby finishes is commonly requested. We’ll confirm the colours available for the specified product.
Will you come and look before quoting?
It depends on the job. Simple work can often be priced from photos, while larger or less clear jobs get a site visit first.
Can the building stay open while you work?
In the majority of cases, yes. Phased work can be planned so areas stay in use.
On site: what to expect
In a busy building, the work is phased so only one area is out of use at a time. Each section is protected, cleaned back and sealed, then handed back before we move to the next. For a job in Fratton, the main thing is a clear picture of the work. A fixed quote follows.
- We assess the joints on site or from photographs, noting widths and how each has failed.
- 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.
- The failed seal is cut out and both joint faces cleaned back to sound material.
- Depth is controlled with backing, the faces are primed where the maker calls for it, then the bead is laid and tooled.
- Finished joints are inspected, the cure time confirmed and the 12-month guarantee applies.
Getting the site ready
- Tell us which areas need to stay in use
- Send your site hours and access windows
- Let building users know which areas are affected
Ask for a quote
A good quote starts with a clear picture: the joints involved, quantities, access and the product called for. Share whatever details you have and we’ll fill any gaps with a visit.