Construction and new-build mastic in Westbourne, West Sussex
Work needed on a mastic package in Westbourne? We look at it, seal it with the right product and hand it over with a 12-month guarantee.
- Missed perimeter joints on a new elevation
- Mastic snags holding up handover
- Internal caulk splitting as the building dries out
Construction mastic for Westbourne sites
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 Westbourne
Mastic Doctor has been a subcontractor on construction projects for over 20 years. We price from drawings and the specification, agree the sequence with the site team and seal as areas are released. For construction mastic on a scheme in Westbourne, send drawings through our quote form, or phone or email us to talk it through. We work on sanitary and kitchen joints, brick and block movement joints and internal decorators’ caulk, and what we are called in for most is perimeter gaps outside the sealant’s range and inconsistent sealant finishes from plot to plot. For commercial sealant work in Westbourne, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.
Sites around smaller places like Westbourne can be a fair drive from suppliers, so we come with everything the package needs. Send drawings or photos and the programme and we’ll quote to suit.
Every job is signed off with a 12-month guarantee. The promise is simple: if the work we did fails within twelve months, we return to fix it.
- Place
- Westbourne (PO10)
- Wider area
- West Sussex
- Guarantee
- 12 months on our workmanship
- Quote
- Quoted before any work starts
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
When to call us in Westbourne
Three-sided adhesion is a frequent fault on new work. Fixed to three faces, the sealant rips the first time the joint opens so we set the depth properly before sealing.
Look out for the following:
- Frame gaps too wide for sealant alone
- Missed perimeter joints on a new elevation
- A long mastic snag list close to completion
- Caulk cracking where joints are moving more than expected
When units on a site such as Hambrook Business Park (2 miles east of Westbourne) are refurbished or reclad, the panel joints and window perimeters are part of the mastic package.
Questions to ask before you book
- Will RAMS and insurance details be available?
- Their pre-qualification and accreditations
- How long is the guarantee, and what does it include?
- Do they follow the manufacturer’s priming guidance?
What we can’t put right
Part of a good diagnosis is knowing where sealant stops. We will tell you if the real problem is one of these:
- Glazing units that are cracked or misted
- Oversized gaps that need packing or adjustment by others
- Approving fire stopping as compliant
Not sure which it is? You can ring 01277 525 020 or send photos by email and we will tell you honestly.
What we seal
- Brick and block movement joints
- Internal decorators’ caulk
- Cladding and panel joints
- Floor and skirting junctions
- Window and door perimeters
- Sanitary and kitchen joints
Why it’s worth doing now in Westbourne
A cheaper sealant can look like an easy saving on a large package. The saving is small next to the cost of callbacks and defects, especially externally. Where an alternative is genuinely suitable, we’ll say so. Converted and older buildings near places like Westbourne tend to move, and aged sealant cracks. A sealant with the right movement capability, correctly sized, lasts far better.
The specified product makes a difference, and so does the preparation. Access, phasing and site requirements come into it too.
Why appoint us
- A Constructionline member, so easy to vet
- Workmanship guaranteed for 12 months
- Fully insured
- Joints cleaned back to sound surfaces
See our cost guide or our accreditations.
For managing agents and facilities managers
As a CHAS accredited contractor and Constructionline member, we are straightforward to vet for your supplier list. Our insurance certificate can be sent along with the quote.
If you look after buildings for someone else, you need clear quotes and clear reporting. You get a fixed quote, an agreed scope and a walk round at the end, plus a 12-month guarantee.
Our process
The first thing on site is a walk round with your contact, 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. Smaller jobs around Westbourne can be grouped with others nearby, which keeps travel down. You will have a fixed quote before work starts.
- First we take quantities off the drawings and read through the specification.
- A fixed quote sets out the scope, the products and the sequence.
- Any site paperwork you need (RAMS, insurance certificate, CSCS details) is confirmed with the quote.
- Areas are sealed plot by plot or floor by floor as the trades hand them over.
- Each joint is prepared, backed to depth and sealed in the product the specification names.
- Snags are cleared before handover and completed areas carry our 12-month guarantee.
Getting the site ready
- Explain the parking and delivery arrangements
- For older buildings, check the asbestos register before work
- Agree which areas must stay open
Quotes
To get a fixed quote, call 01277 525 020 or send photos by email. You can also send details through our quote form.
Advice
Mastic packages on Westbourne sites
Westbourne is within about 2 miles of the coast. Coastal exposure means perimeter and cladding joints work harder than on an inland job, so joint design, primers and product choice deserve extra care. Westbourne has several hotels close by, all within 2 miles. When hotels extend or refit, the work is usually squeezed between peak periods, mastic included.
Hospital estates such as Spire Hospital Portsmouth, 1.4 miles west of Westbourne, tend to grow and change in phases, often next to occupied wards, so facade and perimeter sealing has to fit the estates team’s plan. Historic houses such as Warblington Castle (to the south-west of Westbourne) are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.
Westbourne is about 3 miles east of Havant, in West Sussex. Anywhere in PO10, it works the same way: details in, fixed quote out, then sealing and a 12-month guarantee. Across West Sussex, 373 places are covered, Westbourne among them. Our Portsmouth page has more on work in that area, about 8 miles away.
Business premises anywhere in PO10 are within our area. Streets here include The Square, Church Road and Crockford Road, and sites on any of them can send details for a fixed quote. Sites close to Westbourne are covered too, including Lumley (1 mile south), Woodmancote (1 mile east), Emsworth (1 mile south-west), Southbourne (1 mile south-east) and Denvilles (2 miles west). A short drive away, we cover Bognor Regis (12 miles south-east), Chichester (7 miles east), Selsey (11 miles south-east), Portfield (7 miles east), Yapton (14 miles east) and East Wittering (7 miles south).
Around Westbourne
Locally, jobs take us to sites close to Stansted Park, The Good Intent Public House and Bourne Community College. The closest station to Westbourne is Emsworth station, about 1 mile south-west. Well-known places in the area include Warblington Castle (2.2 miles south-west) and Havant War Memorial Hospital (2.8 miles west). The countryside around Westbourne includes Stoke Down and Brook Meadow (Emsworth).
FAQs: Westbourne
Does your area include sites such as Hambrook Business Park, near Westbourne?
Yes. We cover Westbourne and the area around it, including industrial estates, business parks and retail parks such as Hambrook Business Park. A few photos and the unit address let us price the work.
Does the sea air around Westbourne change the choice of sealant?
It can. Coastal exposure works external joints harder than inland weather. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.
Do you need to see the site first?
Many jobs can be quoted from photographs, drawings or a joint schedule. Where they aren’t, we arrange a site visit before quoting.
Will you just go over the old sealant?
No. Failed sealant is removed and the faces cleaned back to sound, dry material first, because fresh silicone will not bond with aged silicone.
What do you charge?
There isn’t a price list, because every site is different. Send photos or drawings and we will price it at a fixed figure.
Is Westbourne in your area?
Yes. We cover Westbourne, and the simplest way to start is to ring 01277 525 020 or send details through our quote form.
Does weather matter for sealant work?
It can, for external work. Sealant won’t bond properly to a wet or frosty joint, so external work may be moved if conditions aren’t right. Indoors, the weather is rarely a problem.
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.
There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and we’ll confirm the paperwork you need with the quote.