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

Expansion and movement joint sealing in Rudmore, Portsmouth

Need expansion joint sealing in Rudmore? It’s simple: send details, get a quote, we seal, guaranteed.

  • New sealant over old, now failing
  • Spalled or broken joint edges in floors and decks
  • Torn sealant in brick or block movement joints
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS & Constructionline
£5m PL insurance

Expansion joint sealing across Rudmore

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Expansion joint sealing in Rudmore, done properly

We have been sealing expansion and movement joints for over 20 years for contractors, facilities managers and owners. Our applicators are CSCS-carded, we’re CHAS accredited and a Constructionline member, and we carry five million pounds of public liability insurance. Workmanship is backed by our 12-month guarantee. If you have movement joints with split or torn sealant and weathered movement joint sealant that no longer flexes, we can put it right. Looking for mastic applicators who cover Rudmore? Mastic Doctor has worked for contractors, FMs and building owners since 2005, with CSCS-carded applicators.

Work in a smaller place like Rudmore is usually one building at a time, so we gather photographs and measurements first. That way the right materials come on the day and the job is done in one visit where possible.

Every job ends the same way: guaranteed. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.

The Mastic Doctor team standing beside their branded vans outside an office building
Where
Rudmore (PO2, PO1)
Wider area
Portsmouth
Guarantee
12 months on our workmanship
Price
A fixed quote before we start
Call
01277 525 020
Last updated
3 November 2026

Site staff or a sealant specialist?

Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.

The visible bead is only part of the job. Backing rod, primer where specified and a joint designed to move with the building are easy to get wrong without experience.

Our process

Before we leave any area, the masking comes off, the area is cleaned and every joint is checked with your site contact. If an area should be left alone while the sealant cures, we say how long and put signs out. If neighbouring businesses or buildings around Rudmore need work too, visits can be combined. Mention the building’s opening times and we’ll work within them.

  1. First the joints are inspected, widths measured and the type of failure noted.
  2. A fixed quote names the sealant we propose and its movement class.
  3. Phasing is agreed so decks, floors or entrances can stay in use where needed.
  4. We strip the old sealant or filler and prepare each face until it’s sound and dry.
  5. Backing rod or bond-breaker sets the depth, primer goes on where specified, and the sealant is applied and tooled.
  6. We check each joint with you, confirm the cure time and sign off under our 12-month guarantee.

Preparing the site

  • Send any specification or drawings in advance
  • Tell us which areas need to stay in use
  • Flag any permit to work we’ll need

Get a fixed quote

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To ask for one, phone 01277 525 020 or email a schedule or drawings.

Get a quick quote

Read more

Floors, slabs and movement joints in Rudmore

Rudmore lies within about 1 mile of the sea. External movement joints in car parks, ramps and yards near the coast take salt and wind-driven rain on top of traffic, and edges left open tend to break up faster. Rainfall across the South East, Rudmore included, is lower than in many parts of the UK. External slab and deck joints still need a dry, clean joint to seal, while winter salting gets into any joint left open.

Schools like The Flying Bull Academy often have long brick elevations with movement joints that age quietly. University campuses such as University of Portsmouth - North Zone, 1.3 miles to the south-west of Rudmore, have car parks, paved walkways and building elevations with movement joints. Another example is Copnor Bridge Business Centre, 0.9 miles south-east of Rudmore, where floors and yards would be done in stages around the occupiers.

Rudmore is about 1 mile north-west of Portsmouth, in Portsmouth. Commercial clients in Rudmore use us for work on movement joints, as part of our coverage of Portsmouth. Rudmore is one of 19 places in Portsmouth on our list for movement joints.

Work on movement joints is covered throughout PO2 and PO1, whatever the building. We cover commercial and managed buildings on Knox Road, Wharf Road and Croft Road. Main routes into Rudmore include the M275 and A2047. Sites close to Rudmore are covered too, including North End (1 mile north-east), Tipner (1 mile north-west), Portsmouth (1 mile south-east), Landport (1 mile south) and Copnor (1 mile east).

What’s near Rudmore

Recent enquiries here include premises near Alexandra Park, The Admiral Drake pub and Mayfield School and the streets around them. The nearest railway station is Portsmouth & Southsea station, about 1.1 miles south of the centre. Nearby you’ll also find Tricorn Centre (0.8 miles south) and Portchester Castle (2.1 miles north-west). For a walk, there’s Milton Locks and Portsdown Hill.

Map of Rudmore © OpenStreetMap contributors

Questions about Rudmore

Is Rudmore too small for you to travel to?

No. Places such as Rudmore are covered as much as the big towns. Our area covers London and the South East counties. Where we can, we group nearby jobs to make the most of each trip.

Our building in Rudmore is near the coast: does that change the sealant?

It can, yes: buildings near the sea take more wind-driven rain, and salt in the air nearer the shore. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.

Do you hold CHAS accreditation?

Yes. Mastic Doctor is CHAS accredited and a Constructionline member, which helps with supplier vetting.

Can you fit around our working hours?

We are in the office from 8am until 5pm, Monday to Friday. Tell us your site hours and access windows and the work will be fitted around them.

Do you offer coloured sealant?

That depends on the product. Some ranges are wide, others limited, so we will confirm the colours available for the specified product with the quote.

Can a joint be sealed if the edges are broken?

Spalled edges need repairing before a new seal will last. Sealing over them leads to early failure.

How long will the new sealant last?

Nobody can honestly give a figure in years, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular checks let you plan resealing before leaks or damage.

Owners, agents and contractors

If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.

We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Rudmore can form part of a wider programme.

Why it’s worth doing now in Rudmore

Re-sealing with the same product that failed is often a false economy. If the joint is too narrow or the product wrong for the movement, it needs a different approach and we’ll tell you honestly. Over time, UV, weather and movement wear any sealant out. Renewing it in good time keeps the building weathertight.

Quantities, awkward access and phased working all shape the price. Site requirements like inductions and permits play a part as well, along with the time of year for external work.

What you get with us

  • Colours confirmed for the specified product
  • Old sealant cut out, never sealed over
  • Constructionline member
  • Fully insured, including public liability cover

See how commercial sealant jobs are priced and our accreditations.

Cost factors for movement joints

Each job is priced on its own details. The main factors are:

  • Quantities, in metres or numbers
  • Joint width, depth and condition
  • Site requirements such as inductions and permits
  • How accessible the joints are

What a job costs comes down to the quantity of joints, how much old material needs removing and how the joints are reached. Call for a quote when you’re ready.

Details that help us quote

A good diagnosis starts with the right details. Tell us:

  • Any specification or named product
  • The site address and postcode
  • Clear photos of the problem areas
  • Anything awkward about access or site hours

For a fixed quote, call the office on 01277 525 020 or email drawings and photos. Our quote form is another easy route.

What we can’t put right

Before quoting, we check that sealant is the right answer. It won’t put right:

  • Mechanical expansion joint covers, cover plates or proprietary joint systems (a specialist supplier’s job)
  • Broken or spalled joint edges, which need repairing before any sealant goes in
  • Changing the joint layout or spacing of a structure

Not sure which it is? You can call the office on 01277 525 020 or email the details over and we’ll tell you honestly.

Surfaces we seal

  • Podiums and floor movement joints
  • Precast concrete panel joints
  • Cladding panel joints
  • Blockwork control joints
  • Brickwork movement joints
  • Car park decks and ramps
Accreditations

Trusted. Accredited. Insured.