Construction and new-build mastic in Paulsgrove, Portsmouth
Mastic packages for new-build and refurbishment projects across Paulsgrove, carried out by CSCS-carded applicators. Fully insured and CHAS accredited.
- Cracks opening in caulked internal joints
- Sanitary sealant damaged by following trades
- A long mastic snag list close to completion
Construction mastic in Paulsgrove
Photos, a specification or a quick description of the joints is enough to start a fixed quote.
Construction mastic in Paulsgrove
On a new build, the mastic package is one of the last trades through each area, so it lands at exactly the point the programme is tightest. We work as a mastic subcontractor to main contractors and developers on schemes in Paulsgrove, sealing plot by plot or floor by floor as areas are released. If you have caulk cracking where joints are moving more than expected and external joints sealed in damp or cold conditions that are now failing, we can help. Most enquiries from Paulsgrove start with one failed joint and grow into a wider look at the building: we look at the rest while we’re there and tell you what we find.
Around places like Paulsgrove, a lot of construction is the conversion of older buildings, and the sealant at those junctions has to cope with two materials that move differently.
Every job we finish is backed by a 12-month workmanship guarantee, in Paulsgrove as everywhere else we work. If a joint we sealed fails because of how it was installed, we come back and put it right.
- Place
- Paulsgrove (PO6)
- Wider area
- Portsmouth
- Cover
- 12 months on every job
- Price
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
Questions about Paulsgrove
Our building in Paulsgrove is near the coast: does that change the sealant?
It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. We choose the product for the exposure, prime where the manufacturer requires it and size the joint for its movement.
Can you work around term dates at a campus such as University of Portsmouth - North Zone?
Yes. Education sites usually want the work in vacations or in phases during term, and we plan to suit. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.
Do you install fire-rated sealant as part of a package?
We install fire-rated sealant where it is the specified product. We will flag if the detail needs a different product.
How do we ask for a quote?
There are four steps: send details, receive a fixed quote, we carry out the work, and it’s guaranteed. Step one needs little more than photographs and a postcode.
What happens if old sealant might contain asbestos?
The duty to manage asbestos sits with the building’s dutyholder, so we’ll ask for the register before work on an older building. If anything suspect turns up, we stop until it’s tested.
Do you use the sealant named in the specification?
Specification first, then the maker’s instructions. Preparation, backing and depth follow the product guidance.
Can you clear a mastic snag list before handover?
Yes. Snag-only work is something we take on and damaged joints are redone properly.
Sites and facades in and around Paulsgrove
Paulsgrove is within about 1 mile of the coast. Schemes this close to the sea see their facade joints tested by wind and rain from the day they’re sealed, and the sealant, primer and backing need choosing with that in mind. The South East is one of the drier parts of the UK. Winter mornings still bring frost and condensation on frames and panels, so external mastic is timed for workable conditions and agreed with the site manager.
Hotels like Portsmouth Marriott Hotel, less than half a mile to the south-east of Paulsgrove, rarely close for long, so refurbishment mastic is phased floor by floor. Recladding or extending a unit at a site like Oak Park Industrial Estate (0.6 miles south-east of Paulsgrove) brings panel joints and frame perimeters into the programme.
Paulsgrove is about 3 miles north of Portsmouth, in Portsmouth. If you are looking for construction mastic in Paulsgrove, we can help, as we do across Portsmouth. 19 places across Portsmouth fall within our area, Paulsgrove among them.
Business premises anywhere in PO6 are within our area for mastic packages. Streets here include Bourne Road, Ludlow Road and Farmlea Road, and sites on any of them can send details for a fixed quote. With the M27 and A27 nearby, Paulsgrove is straightforward for us to reach. Close to Paulsgrove, our area also takes in Wymering (1 mile east), Cosham (1 mile east), Hilsea (2 miles south-east), Widley (2 miles east) and Purbrook Heath (2 miles north-east). Nearby towns on our patch include Portsmouth (3 miles south), Southsea (5 miles south), Milton (4 miles south), Landport (3 miles south), Baffins (3 miles south-east) and Portsea (4 miles south).
What’s near Paulsgrove
We work on buildings around Alexandra Park, The Sir Alec Rose pub and Castle View Academy. For rail, the closest station is Cosham station, roughly 1.2 miles south-east. Well-known places in the area include Queen Alexandra Hospital (1.1 miles east) and World War I Remembrance Centre (2.2 miles south-east). Open spaces near Paulsgrove include Southmoor Nature Reserve and Portsdown Hill.
What we are called out for in Paulsgrove
Dust is the enemy of adhesion on a construction site. Dust, film adhesive, damp and grease on the joint faces prevent a proper bond.
Clients usually get in touch after noticing something like this:
- A mastic package split between trades with no clear owner
- Frame gaps too wide for sealant alone
- External joints sealed in damp or cold conditions that are now failing
- Cracks opening in caulked internal joints
For contractors at a school such as Beacon View Primary Academy, sealing has to be finished before term starts.
What your quote should include
- Are they CHAS accredited or on Constructionline?
- Can the work be phased to keep areas open?
- Is depth set with backing rod, or bond-breaker tape in shallow joints?
- Which product they’ll use, and why it suits the joint
Why it’s worth doing now in Paulsgrove
Clearing snags piecemeal is tempting when handover is close. A planned sweep of each plot or floor catches the lot in one go, and avoids repeated visits. We can run snagging as its own phase before handover. In a smaller place such as Paulsgrove, getting a contractor back for a second visit takes time, so we’d suggest renewing all the joints that are going, not just the worst.
Access often affects the price as much as the sealing: joints within easy reach take less time than ones that need access equipment. Mention the access as part of your enquiry.
Why us?
- Standard and matched colours in many product ranges
- Joints cleaned back to sound surfaces
- A Constructionline member, so easy to vet
- 12 months’ guarantee on every job
Take a look at our cost guide or our accreditations and insurance.
How a job runs
In a busy building, we agree a sequence with your contact so the disruption stays in one area at once. Each section is protected, cleaned back and sealed before the next one starts. Work in places the size of Paulsgrove is planned as a single visit where we can. Photos with rough sizes let us arrive with everything needed.
- Drawings, specification and programme come to us.
- Quantities are measured and a fixed price returned.
- We agree with the site team which areas come first.
- Each area is sealed when it’s released.
- Joints are prepared, backed and sealed to the specification.
- Snags are cleared and the package signed off with our 12-month guarantee.
Preparing the site
- Share the asbestos register for older buildings
- Move anything stored against the joints
- Let building users know which areas are affected
Ask for a quote
Every quote starts with the facts: the joints involved, quantities, access and the product called for. Share whatever details you have and we’ll fill any gaps with a visit.
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Doing it in-house
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.
Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.
Places near Paulsgrove
Other services in Paulsgrove
Aftercare for building managers
To get the most from the new sealant:
- Record the products used in the O&M file
- Bring the mastic contractor in after the last trades are through
- Stick to the specified sealant rather than a generic substitute
- Ask installers to correct oversized gaps first
A new structure shifts as it loses construction moisture. The right product in each joint copes with that, but caulk in a joint that moves more than expected may crack. We can advise if a joint needs a different product.
External joints sealed in poor weather are a common cause of early failure. Holding off until conditions suit avoids callbacks so external sequencing builds in some flexibility.
What affects the price in Paulsgrove
We price every job individually. The things that drive the figure:
- Site requirements such as inductions and permits
- Backing rod, priming and other preparation
- Quantities, in metres or numbers
- Travel to remote or island sites
Every site prices differently: the joint sizes, the specified product, access and working hours each have a bearing. Send the details and a fixed figure follows.
Before you send an enquiry
For an accurate fixed quote, we need a clear picture of the site. Send us:
- The postcode of the building
- Your programme or deadline
- Clear photos of the problem areas
- Access details, including height
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 us.