
Mastic contractors in Highwood
Need construction mastic in Highwood? It’s simple: send details, get a quote, we seal, guaranteed.
- Existing joints on a refurb that need cutting out and resealing
- Bath and shower joints scraped during the final clean
- Cracks opening in caulked internal joints
Construction mastic in Highwood
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
How we handle construction mastic in Highwood
Buyers, tenants and clients notice sealant lines long before they notice the structure. Untidy or missed joints are among the commonest snag items. Our aim is joints that pass at the first inspection. Site teams most often ask us about old sealant on a refurbishment that needs stripping before new work and window and door perimeters that won’t pass inspection, on brick and block movement joints, internal decorators’ caulk and cladding and panel joints. A specialist sealant contractor works differently from a general builder: in Highwood, that means joint design, primers and backing rod as standard.
In the countryside around places like Highwood, conversion schemes put new frames into old stone, flint, brick or timber. A product that grips an irregular face, with a colour that suits the building’s character, is normally what’s needed.
Building owners and contractors get the same cover: twelve months on the work we carried out. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.

- Place
- Highwood (BH24)
- Wider area
- Hampshire
- Cover
- 12 months on every job
- Quotes
- Fixed quote, scope in writing
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
Mastic packages on Highwood sites
Rainfall across the South East, Highwood included, is lower than in many parts of the UK. That doesn’t stop wet spells, or frosty starts that leave panels too damp to seal, so we time external mastic for dry faces and agree it with the site team.
When a school such as Poulner Infant School is extended or refurbished, the mastic package is often squeezed into the holidays. Historic houses such as Avon Tyrrell House, 4.6 miles south of Highwood, are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.
Highwood is about 2 miles north-east of Ringwood, in Hampshire. We cover commercial sites throughout Highwood, for single jobs and planned programmes alike. Highwood is one of 723 places we cover in Hampshire. Our Southampton page has more on work in that area, about 16 miles away.
Work on mastic packages is covered throughout BH24, whatever the building. Just outside Highwood, we also work in Hangersley (1 mile south), Rockford (1 mile north-west), Shobley (1 mile south-east), Forest Corner (1 mile south-east) and Blashford (1 mile west). A short drive away, we cover Totton (12 miles east), Lymington (12 miles south-east), Romsey (15 miles north-east), New Milton (9 miles south-east), Barton on Sea (10 miles south-east) and Dibden Purlieu (15 miles east).
Around Highwood
Around Highwood, our work takes us to commercial buildings near Ringwood School Academy and Alice Lisle Inn. Other landmarks nearby include St Leonard's Hospital (5.5 miles south-west). Green spaces nearby include Linbrook Lake and Blashford Lakes.
Looking after the joints
Every sealant joint needs some looking after, and how long they last depends on how they’re treated. Our advice:
- Don’t schedule sealing before decorators and flooring are done
- Ask installers to correct oversized gaps first
- Keep finished joints away from paint, plaster and scrapers
- Ask for joint and product checks before the package is urgent
Our 12-month guarantee covers the workmanship from sign-off. The guarantee covers how we sealed, not later damage by other trades.
Oversized gaps are a problem better caught early. Filling a wide gap with sealant alone sets up a failure, so the installer needs to correct it first. We raise them during our first walk of the area.
When to call us in Highwood
Most mastic snags on new buildings come from sequencing rather than product. Sealing before decorators, flooring or other trades have finished leaves joints exposed to damage.
It’s worth sending us details if you spot any of the following:
- Window and door perimeters that won’t pass inspection
- Bath and shower joints scraped during the final clean
- Early adhesion failures on new external joints
- Failed sealant in an existing building being refurbished
New units and refits on sites such as Headlands Business Park, 1.3 miles to the west of Highwood, need their panel and perimeter joints sealed to the specification.
What your quote should include
- What level of public liability insurance do they hold?
- Is the sealant right for the movement and the substrate?
- Will failed sealant be removed rather than covered?
- How long is the guarantee, and what does it include?
Honest limits
We seal joints; we don’t mend everything behind them. Sealant alone won’t deal with:
- Frames fitted out of tolerance
- Deciding which fire-stopping product a penetration needs
- Faulty frames rather than failed sealant
If in doubt, ring 01277 525 020 or send details through our quote form and we will say what we think before you book.
What we seal
- Floor and skirting junctions
- Internal decorators’ caulk
- Sanitary and kitchen joints
- Window and door perimeters
- Brick and block movement joints
- Cladding and panel joints
Questions we’re asked in Highwood
Is a hospital such as St Leonard's Hospital somewhere you can work?
Yes. We work in healthcare settings as well as offices and schools. Each area is agreed with the ward or department and the estates team in advance.
Is a smaller place like Highwood outside your area?
Not at all: smaller places are covered as well as towns. We cover Greater London and the counties of the South East. Good photographs up front let us bring everything on the first visit.
How much does the work cost?
Every job gets its own fixed quote. To get one, phone 01277 525 020 or email us.
Do you do internal caulk as well as external mastic?
Window and door perimeters, internal decorators’ caulk where specified, sanitary joints, kitchens, movement joints and snagging. The scope follows your specification.
Can the building stay open while you work?
Yes, with some planning. Tell us your site hours and access windows and we’ll plan around them.
Which sealant will you use?
Where there’s a specification, we use the product it names. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.
Do you seal on top of existing sealant?
No. Sealing over old material is one of the classic causes of early joint failure, so it all comes out first.
Should maintenance staff do it?
Redoing a failed joint usually costs more than getting it right at the outset, because the whole bead must be removed and the faces cleaned back again. For that reason, many FMs and contractors use a sealant specialist from the outset.
For most general trades, sealant is a sideline. 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.
Nearby places to Highwood
Also in Highwood
From enquiry to sign-off
Before any cutting starts, the area is protected: tape along each joint edge and covers over finishes, stock and equipment close by. On site, the work typically takes a day or two on a small fit-out and several weeks on a large multi-storey package, and we clear our waste as we work. Rural sites near Highwood may need directions, gate codes or a contact on site. Add it to your enquiry and we will build it into the plan.
- Drawings, specification and programme come to us.
- We take off quantities and return a fixed quote.
- We agree with the site team which areas come first.
- Each area is sealed when it’s released.
- Every joint is cleaned, set to depth and sealed with the specified product.
- After snagging, the work is handed over under our 12-month guarantee.
Preparing the site
- Tell us your opening times and when work is allowed
- Tell staff and tenants when we’ll be in
- Make sure the joints can be reached
Getting a fixed quote
To get a fixed quote, give us a call on 01277 525 020 or send details through our quote form. Our quote form is another easy route.
Related advice
What happens if it’s left?
A cheaper sealant can look like an easy saving on a large package. A failed joint in the defects period costs far more than the product difference, especially externally. Where an alternative is genuinely suitable, we will say so. One visit to deal with every failing joint makes more sense than several trips to a place like Highwood. Send photos of each area and we’ll quote for the lot.
Pricing mastic packages depends on quantities, condition and access, plus any specification you’re working to. Ask us for a fixed quote.
Why choose Mastic Doctor in Highwood
- Fully insured
- A range of standard colours, depending on the product
- Colour options checked against the specified product
- Sealing commercial buildings since 2005
See how commercial sealant jobs are priced and how we’re accredited.