The Mastic Doctor team standing beside their branded vans outside an office building
Portsmouth · England

Wymering floor joint sealing

Commercial sealant work in Wymering for contractors, FMs and building owners: floor joint sealing and filling in warehouses, factories and industrial units, with a fixed quote first.

  • Sealant pulled out along a truck route
  • Saw-cut joints left open and packed with grit
  • Loading bay joints breaking down
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
CSCS-carded applicators, the right product for each joint.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
London, the South East & Scotland
CHAS & Constructionline
£5m public liability

Floor joint sealing for Wymering sites

Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.

Floor joint sealing in Wymering

It isn’t only heavy industry. Shops, showrooms and trade counters have joints that take trolleys, foot traffic and scrubber-driers, where a gappy, dirty joint looks untidy and snags castors. A flush, well-finished joint tidies the whole floor. Most enquiries involve grimy joint lines spoiling a showroom floor and dock area joints that have failed first, on retail and showroom floors, loading bays and construction joints. For commercial sealant work in Wymering, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.

Around Wymering, most floor and movement joint jobs are single buildings or yards. Getting widths, depths and traffic details up front means one visit, not two.

Whoever the client is, the cover is the same: a 12-month guarantee on our workmanship. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.

The Mastic Doctor team beside their liveried vans in front of an office building
Place
Wymering (PO6, PO2)
Wider area
Portsmouth
Guarantee
12 months on every job
Quotes
Quoted before any work starts
Telephone
01277 525 020
Updated
3 November 2026

What sets the cost

Your fixed quote is built from the real scope. It allows for:

  • Whether the work must be split into stages
  • How much there is to seal
  • How much existing material needs removing
  • The size and state of each joint

The work involved drives the cost: stripping out, preparation, sealing, access and phasing. Call for a quote.

What to include in your enquiry

Good information means a firmer quote. When you get in touch, include:

  • Asbestos survey details if the building is older
  • The site address and postcode
  • The type of building and who uses it
  • How the joints are reached, and at what height

Specifications, drawings and tender packages are welcome with any enquiry, and we will price against exactly what is specified. For smaller jobs, photos and a description will do.

Common problems we fix in Wymering

A slab keeps shrinking for a long time after it is cast, and the saw cuts are there so it cracks in straight, controlled lines. As the panels contract, the joints widen so a filler put in early may separate along one side.

Look out for the following:

  • A rough ride across broken joints
  • Untidy open joints in a retail unit
  • Filler that has parted from one face
  • Broken arrises where pallet trucks cross

If you manage units on an estate such as Oak Park Industrial Estate (less than half a mile west of Wymering), the floor joints under forklifts and pallet trucks and the slab joints in the yard are the ones to watch.

What to look for in a quote

  • Do they follow the manufacturer’s priming guidance?
  • How the existing material will be dealt with
  • How joint depth will be controlled
  • Are they CHAS accredited or on Constructionline?

How to choose a sealant contractor

Traffic, movement and joints around Wymering

The sea is no more than about 1 mile from Wymering. Coastal yards and decks give their joints salt and wet weather to deal with, not just wheels, so it pays to keep them sealed. Rainfall across the South East, Wymering included, is lower than in many parts of the UK. Outside joints in yards and car parks still have to be dry before sealing, and where de-icing salt is spread in winter, open joints let it in.

Another example is Limberline Spur Industrial Estate, 1.1 miles south-east of Wymering, where floors and yards would be done in stages around the occupiers. Sites like Queen Alexandra Hospital (to the north-east of Wymering) carry ambulances, deliveries and visitors’ cars over their road and deck joints.

Wymering is about 3 miles north of Portsmouth, in Portsmouth. Looking for floor joint sealing in Wymering? We can help. Wymering is one of 19 places we cover in Portsmouth.

Anyone looking for floor joint sealing in PO6 and PO2 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. We cover commercial and managed buildings on Dean Road, Deal Road and Park Lane. Wymering sits on or close to the A397, useful when we plan access and materials. If your building is just outside Wymering, we cover Cosham (1 mile south-east), Paulsgrove (1 mile west), Hilsea (1 mile south), Drayton (1 mile east) and Widley (1 mile north-east). Further afield, our area takes in Portsmouth (3 miles south), Southsea (4 miles south), Milton (4 miles south), Landport (3 miles south), Baffins (3 miles south) and Portsea (4 miles south-west).

What’s near Wymering

Recent enquiries here include premises near Springfield School, UTC Portsmouth and Alexandra Park and the streets around them. There’s a railway station in Wymering itself: Cosham station. Other landmarks nearby include World War I Remembrance Centre (1.4 miles south-east) and Tricorn Centre (3.1 miles south). Not far away are Portsdown Hill and Southmoor Nature Reserve.

Map of Wymering © OpenStreetMap contributors

Questions about Wymering

Is Oak Park Industrial Estate, near Wymering, within your area?

Yes. Estates, retail parks and business parks around Wymering, Oak Park Industrial Estate among them, are all within reach. A few photos and the unit address let us price the work.

Can you take on a job at a hospital such as Queen Alexandra Hospital?

Yes, provided the work is planned with the site’s estates team. Work is phased so departments keep running, under the site’s own rules.

Do you guarantee industrial floor joints?

Our workmanship carries a 12-month guarantee, and we hold public liability insurance.

Do you use semi-rigid filler or flexible sealant on floor joints?

It depends on the traffic and the movement. Forklift routes generally call for a semi-rigid filler that holds the arrises and joints with more movement take a flexible sealant.

Do you have public liability insurance?

Yes. Mastic Doctor is fully insured, public liability included.

Can you phase floor joint work around operations?

In the majority of cases, just the area being treated is coned off. Traffic returns to each zone once it has cured and the next zone follows.

How do you choose the sealant?

The specification comes first, if there is one. Without one, the joint decides: its movement, its surfaces and what it has to cope with.

Our process

On arrival, we sign in, go through any site induction and check how permits are handled. Everything around the joints gets protected before anything is cut or cleaned, with the work itself typically taking between a day and a number of days, set by the joint lengths, the edge condition and the phasing you need. Several jobs near Wymering can be grouped on one trip. Tell us your site hours and we will plan around them.

  1. First comes a walk of the floor to record joint sizes, broken edges and traffic routes.
  2. You get a fixed quote with the product and the phasing set out.
  3. Old filler, debris and contamination are cut or routed out back to clean concrete.
  4. Dust is sucked out of the joint and a primer used if the product data sheet asks for one.
  5. We fill each joint to depth and finish it flush so wheels roll straight across.
  6. Each phase reopens when the product is ready for wheels, then we start the next.

Preparing the site

  • Share the asbestos register for older buildings
  • Point out any areas we must not close
  • Tell us what induction or permit system the site runs

Ask for a quote

Let us know the site, the scope and your timescale, and a fixed quote will follow. To get it moving, speak to us on 01277 525 020 or email a schedule or drawings.

Ask for a quote

Advice

Aftercare for building managers

Keep the joints in good shape with a few simple steps:

  • Sweep debris out of open joints until they can be filled
  • Allow for topping up joints as a new slab settles
  • Keep trucks off new joints until we say they’re ready
  • Mention any aggressive cleaning regime at quote stage

Keep traffic off fresh joints until the time we give you, and it’s worth enforcing. Cones or barriers stop the first driver cutting the corner.

Joint damage starts slowly and then speeds up. Once the first piece is out, wheels drop further and hit harder so early treatment saves a lot of trouble.

Surface by surface

Saw-cut induced joints

Induced joints are sawn into a new slab to control where it cracks. They start narrow and widen as the concrete dries so trafficked runs need a filler that holds the arrises.

Loading bays and dock areas

At loading bays, product choice has to suit the loads, the temperature and the wet. Curing times also have to fit around deliveries.

Why act early in Wymering

Tape, or whatever sealant is in the stores cupboard, may look like a fix for a while. Neither is made to carry wheels, and it typically ends up dragged across the floor. The right filler or sealant saves doing it twice. A failed joint lets water into a building whatever its size. Early resealing avoids the damage that follows a leak.

No two sites price the same: joint size, product, access and site hours all play a part. A fixed quote follows once we understand the job.

What you get with us

  • Constructionline member for supplier checks
  • Work carried out by CSCS-carded applicators
  • One phone line for London, the South East and Scotland
  • Workmanship guaranteed for 12 months

Take a look at our cost guide or our accreditations.

Accreditations

Trusted. Accredited. Insured.