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

Mastic contractors in Catisfield

Mastic packages for new-build and refurbishment projects across Catisfield, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.

  • Bath and shower joints scraped during the final clean
  • Window and door perimeters that won’t pass inspection
  • Cracks opening in caulked internal joints
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
Backed by a 12-month workmanship guarantee.
Covering the South East & Scotland
CHAS accredited
Fully insured: £5m PL

Construction mastic in Catisfield

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

How we handle construction mastic in Catisfield

Getting a subcontractor through site induction should be simple. Our applicators are CSCS-carded, and we are CHAS accredited and a Constructionline member, and we’re fully insured. RAMS, an insurance certificate and CSCS details can be confirmed with the quote if you tell us what you need. We work on brick and block movement joints, floor and skirting junctions and internal decorators’ caulk, and the usual reasons a site gets in touch are inconsistent sealant finishes from plot to plot and internal caulk splitting as the building dries out. One point of contact handles commercial sealant work in Catisfield from the first photos to the final walk-round, for single jobs and planned programmes alike.

Conversions around smaller places like Catisfield often join new frames to old masonry or timber, and the sealant at those junctions has to cope with two materials that move differently.

Building owners and contractors get the same cover: a 12-month guarantee on our workmanship. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.

Where
Catisfield (PO15, PO14)
Region
Hampshire
Cover
12 months on our workmanship
Quotes
A fixed quote before we start
Call
01277 525 020
Page updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

Work for main contractors and building owners

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we’ll confirm them with the quote.

As a CHAS accredited contractor and Constructionline member, we’re straightforward to vet for your supplier list. Our insurance certificate can be sent along with the quote.

How the quote is worked out

A fixed quote reflects the actual work. It takes account of:

  • Travel to remote or island sites
  • The site’s rules and procedures
  • Phasing around occupants
  • Whether old sealant has to be cut out first

What a job costs comes down to how many linear metres there are, what has to come out first and the access. Call for a fixed quote when you’re ready.

What we need to price the job

We can often quote from photos and a few details. Please tell us:

  • Photos of the joints, close up and from further back
  • Specification clauses that apply
  • The asbestos register, for older buildings
  • How the joints are reached, and at what height

Tell us about the building, the joints and when you need the work done, and we will put a fixed quote together. To get it moving, call 01277 525 020 or send details through our quote form.

Why act early in Catisfield

On a refurbishment, there’s a choice between resealing existing frames and replacing them. Sound frames often need only a new perimeter seal and that’s a far smaller job. We will say so if a frame itself is the problem. Small buildings around Catisfield suffer from failed joints as much as large ones. Catching it early means a reseal rather than repairs.

Access can matter as much as the joints themselves: joints within easy reach take less time than ones that need access equipment. Tell us how the joints are reached and call for a quote.

Why clients in Catisfield choose us

  • Colour agreed before work starts
  • Joints cleaned back to sound surfaces
  • Over 20 years of commercial sealing
  • Work carried out by CSCS-carded applicators

Read what affects the cost or our accreditations.

Building and refurbishing in Catisfield

The sea is no more than about 2 miles from Catisfield. Coastal exposure means perimeter and cladding joints work harder than on an inland job, and the sealant, primer and backing need choosing with that in mind. Catisfield lies roughly 66 miles out from central London. Commuter-belt towns tend to see a steady flow of new flats, offices and commercial schemes, so mastic packages have to keep pace with busy programmes.

For a contractor working at a hospital such as Fareham Community Hospital, which lies north-west of Catisfield, perimeter and facade sealing is planned around patients and deliveries. School extensions, at buildings such as Ranvilles Infant School, typically run to the summer holidays, mastic included.

Catisfield is about 1 mile west of Fareham, in Hampshire. Across the PO15 postcode area, the process is the same: details in, fixed quote out, then sealing and a 12-month guarantee. Across Hampshire, 723 places are covered, Catisfield among them. We also cover Portsmouth, around 7 miles from Catisfield.

We cover the PO15 and PO14 postcode districts. Buildings on Mill Lane, Bradly Road and Harcourt Road are within our area for mastic packages. Nearby places we also cover include Heathfield (1 mile east), Titchfield (1 mile west), Titchfield Park (1 mile north-west), Funtley (2 miles north-east) and Little Posbrook (2 miles south-west) for mastic packages. A short drive away, we cover Winchester (15 miles north), Gosport (4 miles south-east), Havant (10 miles east), Eastleigh (10 miles north-west), Horndean (10 miles north-east) and Totton (13 miles west).

Landmarks near Catisfield

Locally, jobs take us to sites close to Fishermans Arms and The Henry Cort Community College. Catisfield’s nearest station is Fareham station, about 1.3 miles east of the centre. Well-known places in the area include Fareham Shopping Centre (1.9 miles east) and Knowle Hospital (2.2 miles north). Open spaces near Catisfield include Holly Hill Woodland Park and Portsdown Hill.

Map of Catisfield © OpenStreetMap contributors

From enquiry to sign-off

We begin with a short walk round with whoever looks after the building, agreeing which joints are in scope, where to start and what must stay open. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. What matters most for a job in Catisfield is a clear list of what needs doing, so send photos of each area. You will then get a fixed price for the work.

  1. We walk the site or review drawings to understand the package.
  2. You receive a fixed quote covering scope, products and sequence.
  3. Paperwork is agreed and applicators are inducted on site.
  4. We seal plot by plot or floor by floor in line with the programme.
  5. Problems we find, such as oversized gaps, are raised right away.
  6. The package is closed out, snags cleared and backed by our 12-month guarantee.

Before we start on site

  • Let us know about inductions and permits
  • Tell us your opening times and when work is allowed
  • Send asbestos survey details if the building is pre-2000

Getting a fixed quote

Need a figure for a tender or a budget? Send the scope and any drawings, and we will return a fixed quote you can plan around. If you have questions first, give us a call on 01277 525 020 or send photos by email.

Get a price

Advice

When to bring in a specialist

A short, simple internal joint is often within reach of a maintenance team. 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.

The visible bead is only part of the job. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.

Signs you need construction mastic in Catisfield

On a live site, contamination is the biggest threat to a new joint. Plaster dust, release agents, protective film residue and damp all stop sealant bonding.

Clients normally get in touch after noticing something like this:

  • Different trades sealing to different standards
  • Sealant knocked or painted over by other trades
  • Oversized or tapered gaps around new frames
  • Mastic snags holding up handover

When units on a site such as Blackbrook Business Park, 0.9 miles to the east of Catisfield, are refurbished or reclad, the panel joints and window perimeters are part of the mastic package.

Comparing quotes

  • Is depth set with backing rod, or bond-breaker tape in shallow joints?
  • Proof of insurance
  • Their pre-qualification and accreditations
  • What site paperwork they can supply

Questions to ask before you appoint anyone

Catisfield: questions and answers

Does the sea air around Catisfield change the choice of sealant?

It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. Product choice and preparation matter more, and sea-facing elevations are worth inspecting more often.

Is a smaller place like Catisfield outside your area?

Not at all. Catisfield is within our area. London and every South East county are within our area. Where we can, we group nearby jobs to make the most of each trip.

Does weather affect external mastic work?

Outside, the joint has to be dry and the temperature within the product’s limits. Frosty or damp mornings can hold up external sealing so we normally switch to internal work when that happens.

How much does the work cost?

Each job is quoted on its own details. To get one, call the office on 01277 525 020 or send photos by email with a description of the work.

Do you work to architects’ specifications?

Yes. Send it with your enquiry, and the quote will be based on it.

Will you just go over the old sealant?

No, never. Sealing over old material is one of the classic causes of early joint failure, so everything comes out first.

How long will the new sealant last?

There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular inspection is the best way to catch problems early.

Accreditations

Trusted. Accredited. Insured.