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

Commercial Sealant Contractors in Catmore

Sealant work for offices, shops, hotels and other commercial buildings across Catmore, carried out by CSCS-carded applicators. CHAS accredited and fully insured.

  • Greasy, split joints in a kitchen or tea point
  • Frame sealant that has cracked, shrunk or pulled away
  • Smeared sealant across finishes from a rushed job
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Prepared joints, the specified product, a tidy finish.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
CHAS & Constructionline
Fully insured: £5m PL

Need commercial sealant contractors in Catmore?

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Sealant on show in Catmore’s commercial buildings

Catmore is in the South East, one of the UK’s drier regions. Even so, outside sealing waits for a dry joint, and cold, damp mornings can delay it. Central London is about 54 miles from Catmore. Business parks and retail centres are common around the capital’s motorway corridors. If you have premises across the region, one contractor can cover them all.

A lasting commercial joint around Catmore begins with the old bead fully out and the faces clean and dry.

Catmore is about 6 miles south-east of Wantage, in West Berkshire. Any commercial site in Catmore is covered, whether it’s a single job or part of a planned programme. Catmore is one of 140 places in West Berkshire on our list. Reading is covered too, around 17 miles from Catmore.

Postcode districts covered here: RG20. Close to Catmore, our area also takes in Farnborough (2 miles north-west), Brightwalton (2 miles west), Stanmore (2 miles south-east), Brightwalton Green (2 miles south-west) and West Ilsley (2 miles north-east). Nearby towns on our patch include Newbury (8 miles south), Thatcham (9 miles south-east), Burghfield Common (15 miles south-east), Speenhamland (8 miles south), Hungerford (10 miles south-west) and Fords Farm (15 miles east).

Map of Catmore © OpenStreetMap contributors

Sealant applicators in Catmore

Inside a commercial building, sealant does a lot of quiet work: washroom fittings, kitchen worktops, window boards, partition heads and the line where floors meet walls. Outside, it closes facade joints, frame perimeters and movement joints against the weather. We deal with internal and external sealant joints alike. If you have untidy joints in a reception, shop floor or lobby and frame sealant that has cracked, shrunk or pulled away, we can put it right. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: in Catmore, that means joint design, primers and backing rod as standard.

The most common commercial job in Catmore is resealing joints that have simply reached the end of their life: split, chalky or peeling, with leaks or mould starting behind it.

Commercial sealant work around smaller places like Catmore tends to mean pubs and restaurants, halls, farm shops and offices in converted farm buildings. Kitchens, toilets and window frames in all of them need resealing sooner or later.

Every job is signed off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.

Place
Catmore (RG20)
Wider area
West Berkshire
Guarantee
A 12-month guarantee
Quote
Fixed quote, scope in writing
Call
01277 525 020
Updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

What we can’t put right

Not every problem is a sealant problem, and we’d rather tell you before you spend money. These need a different solution:

  • Walls or slabs moving more than any sealant can take
  • Removing asbestos-containing materials (a licensed or specialist contractor’s job)
  • Misted, cracked or failed glazing units (a glazier’s job)

If in doubt, give us a call on 01277 525 020 or send details through our quote form and we’ll say what we think before you book.

What we seal

  • External facade joints
  • Kitchen worktops and splashbacks
  • Washrooms and tea points
  • Movement joints in walls and floors
  • Window and door perimeters
  • Floor and threshold joints

Do you need commercial sealant contractors in Catmore?

Plenty of failed joints were never sealed with the right product. Painters’ acrylic in a moving joint, vinegar-smelling silicone on metal or natural stone, or a high-modulus product where a low-modulus one was needed will all fail early. Guidance such as BS 6213 exists to steer sealant selection for exactly this reason, and many specifications refer to it.

Common reasons buildings call us in:

  • Expansion joints with the sealant torn out
  • Leaks that seem to come through a sealant line
  • Frame sealant that has cracked, shrunk or pulled away
  • External beads that have gone brittle and cracked

Colour matters on frontages and fit-outs, so the quote confirms which colours the chosen product comes in.

What to look for in a quote

  • Who will actually carry out the work
  • Their plan for phasing and protecting the area
  • Their approach to joint depth and backing
  • Their pre-qualification and accreditations

Questions to ask before you appoint anyone

Should maintenance staff do it?

Putting right a botched joint often costs more than sealing it well at the start, because the whole bead must be removed and the faces cleaned back again. That’s why many clients bring in a specialist from the beginning.

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

Different surfaces, different methods

Commercial kitchens and tea points

Kitchen joints along worktops, sinks, splashbacks and wall cladding collect grease and moisture. Proper degreasing comes before any new sealant, and a hygienic or food-safe sealant is used where food contact is possible.

Facade and cladding joints

Facade joints move every day as panels warm and cool. They need a sealant with the right movement capability, laid at the right depth. We confirm the access in place before we quote.

On site: what to expect

We begin with a short walk round with whoever looks after the building, to confirm the scope, the order of work and any areas we must keep clear. Then we strip out anything that has failed, prepare every joint and seal it. Rural sites near Catmore may need directions, gate codes or a contact on site. Send that with the details and we will confirm the plan with the quote.

  1. We start with the evidence: photographs, drawings or a look on site.
  2. A fixed quote follows, with removal and preparation included.
  3. We agree the order of work, access windows and site hours with you.
  4. Each joint is stripped, cleaned back to sound faces and primed where the maker specifies.
  5. Backing goes in, the new sealant is laid and tooled, and the area is left neat.
  6. Completed areas are signed off with you under our 12-month guarantee.

What we need from you

  • Arrange parking or a loading space
  • Tell us what induction or permit system the site runs
  • Send asbestos survey details if the building is pre-2000

Getting a fixed quote

Send us photographs, drawings or a joint schedule are often enough for a fixed quote. If the job needs a look first, we will arrange a site visit.

Ask for a quote

Related advice

Maintenance after handover

To get the most from the new sealant:

  • Act on the first lifting edges rather than waiting
  • Look at the sealant around anything that has been moved or replaced
  • Make sure ventilation in wet areas is switched on and working
  • Keep abrasive pads and scrapers off resealed joints

New joints need their full cure time before they take water, cleaning or traffic. That time depends on the product, the temperature and the joint depth. Leaving the area closed until then keeps the bead neat.

Tenants and staff spot black or split sealant quickly, and it reflects on how the building is run. Replacing it on a planned cycle keeps complaints down.

FAQs: Catmore

Can you supply sealant in our brand colour for a site in Catmore?

Yes. Colour matching to frames, cladding, stone and shop-fit finishes is a regular part of the work. Available colours for the product are confirmed with the quote.

Is Catmore too small for you to travel to?

Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Send photographs and a list of what needs doing, and we’ll plan the job to need as few trips as possible.

How is commercial sealant work priced?

Send photographs, drawings or a list of locations. If a visit is needed we’ll book one, and a fixed quote follows.

Does commercial sealant work come with a guarantee?

A 12-month guarantee covers the workmanship, starting at sign-off. Keeping joints clean and inspected helps them last well beyond that.

Does the weather affect the work?

Outside, yes. Sealant needs a dry joint and a temperature within the product’s range, so damp, frosty or very cold days can stop external work. Inside work is seldom held up.

Are you CHAS accredited?

Yes. CHAS accredited, Constructionline member, and our applicators hold CSCS cards.

Can you take on work for an FM or managing agent?

Yes. Use our quote form to send the site details, or phone or email us, and we will confirm any paperwork you need with the quote.

Accreditations

Trusted. Accredited. Insured.