Construction and new-build mastic in Petersfield, Hampshire
Construction mastic for Petersfield, from a contractor working since 2005. Fully insured, with a 12-month guarantee.
- Oversized or tapered gaps around new frames
- Existing joints on a refurb that need cutting out and resealing
- Bath and shower joints scraped during the final clean
Construction mastic near Petersfield
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
Construction mastic in Petersfield
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. To price a package in Petersfield, send drawings and the specification through our quote form. If you are dealing with cracks opening in caulked internal joints and snag items on joints that need redoing before handover, we can put it right, on cladding and panel joints, sanitary and kitchen joints and internal decorators’ caulk alike. For commercial sealant work in Petersfield, you deal with one contact from quote to sign-off, for single jobs and planned programmes alike.
Older town-centre buildings in places like Petersfield are often converted to new uses or extended, which puts new frames and panels against old brick, stone or render. Those junctions need a sealant and primer that suit both surfaces.
We sign every job off with a 12-month guarantee. It’s a plain promise: if our work fails within that year, we put it right.
- Where
- Petersfield (GU31, GU32)
- Wider area
- Hampshire
- Cover
- 12 months on our workmanship
- Quote
- Fixed quote, scope in writing
- Telephone
- 01277 525 020
- Updated
- 3 November 2026
New build and refits around Petersfield
Petersfield is in the South East, one of the UK’s drier regions. Winter mornings still bring frost and condensation on frames and panels, which is why external dates are agreed with the site manager. Central London is about 50 miles from Petersfield. Construction around the commuter belt mixes station-side flats with refurbished offices and units, and each scheme needs its mastic sealed to programme.
New wings at hospitals like Petersfield Hospital, under half a mile west of Petersfield, bring long runs of window and panel joints to seal. Historic houses such as Uppark (to the south-east of Petersfield) are a reminder of the older buildings in the wider area, where sealing against old stone, brick or timber needs compatible products.
Petersfield is about 10 miles north of Havant, in Hampshire. Commercial clients in Petersfield use us for work on mastic packages, as part of our coverage of Hampshire. 723 places across Hampshire fall within our area, including Petersfield. We also cover Portsmouth, some 15 miles away.
Commercial sites across GU31 and GU32 are covered. Among the streets we cover are High Street, Station Road and London Road. With the A3 and A272 nearby, Petersfield is straightforward for us to reach. Close to Petersfield, our area also takes in Sheet (1 mile north-east), Steep (1 mile north), Stroud (2 miles west), Steep Marsh (2 miles north) and Langrish (3 miles west). Bigger towns within reach include Havant (10 miles south), Horndean (7 miles south-west), Alton (10 miles north), Waterlooville (9 miles south-west), Purbrook (10 miles south-west) and Bordon (8 miles north-east).
Around Petersfield
Recent enquiries here include premises near The Petersfield School, The White Hart pub and Morton House School. Petersfield has its own railway station: Petersfield station. Other landmarks nearby include Bear Museum (under half a mile south) and Petersfield Community Hospital (under half a mile west). The countryside around Petersfield includes Wheatham Hill and Liss Riverside Railway Walk South.
Common problems we fix in Petersfield
On construction sites, joints typically fail early because of when they were sealed, not what was used. Sealing before decorators, flooring or other trades have finished leaves joints exposed to damage.
These are often picked up first by site or facilities staff:
- Caulk cracking where joints are moving more than expected
- Oversized or tapered gaps around new frames
- Snag items on joints that need redoing before handover
- A mastic package split between trades with no clear owner
When units on a site such as Upper Adhurst Industrial Park, 1.9 miles north-east of Petersfield, are refurbished or reclad, the panel joints and window perimeters are part of the mastic package.
What your quote should include
- Are they CHAS accredited or on Constructionline?
- Proof of insurance
- What site paperwork they can supply
- The terms of the workmanship guarantee
What sealant work can’t fix
Part of a good diagnosis is knowing where sealant stops. We’ll tell you if the real problem is one of these:
- Frame gaps too wide for sealant, which the installer needs to correct
- Joint design decisions that belong to the architect or engineer
- Joints damaged after sign-off by following trades
If you’re not sure, just phone 01277 525 020 or use the quote form and we’ll give you a straight answer before you book.
Where we work in Petersfield
- Brick and block movement joints
- Internal decorators’ caulk
- Window and door perimeters
- Floor and skirting junctions
- Sanitary and kitchen joints
- Cladding and panel joints
Other services in Petersfield
From enquiry to sign-off
Tell us your site hours and access windows and we will plan around them. On the day, the work area is kept contained and tidy, and your contact hears from us before we move to the next area. If you have more than one building in Petersfield, they can often be done on the same visit, with one quote covering them. Tell us when the building is open and we will plan to suit.
- 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.
- Plots or floors are sealed as they’re handed over.
- Every joint is cleaned, set to depth and sealed with the specified product.
- Snags are cleared and the package signed off with our 12-month guarantee.
Preparing the site
- Point out any areas we must not close
- Confirm the product named in the specification
- Tell us what induction or permit system the site runs
Getting a fixed quote
To get a fixed quote, call 01277 525 020 or send photos by email with the site address and an outline of the work. You can also send details through our quote form.
Read more
Commercial clients in Petersfield
Hospitality, education, healthcare, office and retail clients come to us directly as well. We plan around the way the building is used, so the building keeps working while we do.
If you look after buildings for someone else, clear figures and clear communication matter. We quote a fixed sum, confirm the scope and walk the finished work with you or your representative, plus a 12-month guarantee.
Petersfield: questions and answers
Would you work within a site like Petersfield Hospital?
Yes, healthcare and care buildings are part of our work. We follow the site’s permits, sign-in and infection-control procedures in every area.
Can you keep pace with our programme in Petersfield?
Yes. Send the programme and drawings, and we’ll plan the mastic to suit the stages. We are CHAS accredited and a Constructionline member, and paperwork such as RAMS is confirmed with the quote.
Can one quote cover more than one building?
Yes. Multi-site work and planned programmes are a core part of the service, with each site phased to suit its occupants.
Can you come in just for snagging?
Yes. We can work through a mastic snag list area by area before handover and damaged joints are redone properly.
Can you work while the building is occupied?
Yes, with some planning. Tell us your site hours and access windows and we will plan around them.
Do you have public liability insurance?
Yes. We are fully insured, including public liability cover.
How much does the work cost?
We don’t publish prices, because every site is different. Send photographs or drawings and we will price it at a fixed figure.
Looking after the joints
To get the most from the new sealant:
- Ask installers to correct oversized gaps first
- Stick to the specified sealant rather than a generic substitute
- Get the mastic subcontractor involved early in the programme
- Bring the mastic contractor in after the last trades are through
Any damage after we’ve finished should go on the snag list straight away. Snags can be picked up in a planned close-out visit.
One unsealed frame can let water into finished internal areas. On a new building that means remedial work after decorating, and a delay to handover. A check of every frame before decorators start is worth the time.
Surface by surface
Kitchens and utility areas
Worktop upstands, sinks and splashbacks are sealed once the kitchen is fitted. A kitchen-suitable sealant is used.
Snagging before handover
Damaged, missed or untidy joints make up most snag lists. Snagging can be included or priced separately.