Northington mastic sealing
Looking for mastic sealing in Northington? It’s simple: send details, get a quote, we seal, guaranteed.
- Patchy repairs in mismatched sealant
- The same joint failures repeated across a portfolio
- Leaks at window and door perimeters
Mastic sealing for Northington sites
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
About our mastic sealing in Northington
Managing agents and housing associations usually need paperwork before anyone starts. Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we will confirm with the quote. We are CHAS accredited and a Constructionline member, with public liability insurance. We work on communal kitchens and washrooms, window and door perimeters on blocks and external wall and movement joints, and the failures we are asked to look at most are leaks at window and door perimeters and window mastic that has split and shrunk. Sealant applicators who only do sealant are a different proposition from a general trade with a gun in the van: on jobs in Northington, preparation and product choice get the time they need.
For buildings around smaller places like Northington, we group work so one trip covers it. Photos of each elevation help us quote accurately.
Work we carry out comes with a 12-month guarantee. Should something we installed fail, ring 01277 525 020 or email us and we’ll come back to it.
- Location
- Northington (SO24)
- Wider area
- Hampshire
- Guarantee
- 12 months on our workmanship
- Price
- A fixed quote before we start
- Call
- 01277 525 020
- Updated
- 3 November 2026
Questions we’re asked in Northington
Is a smaller place like Northington outside your area?
Not at all. Northington is within our area. We work across Greater London and the South East. We plan jobs in smaller places so return trips are kept to a minimum.
Can you quote for a block close to Micheldever station?
Yes. Managing agents, landlords, property factors and housing associations are who this service is for. We work to your notice and access arrangements.
Can weather delay the job?
It can, when the joints are outside. Wet joints and cold, damp or frosty conditions stop the sealant bonding properly, so external work may be moved if conditions aren’t right. Indoors, the weather is rarely a problem.
How do you handle work on occupied blocks?
Occupiers stay in the building throughout. If any flats or units need access, we will tell you in advance so it can be arranged.
Is mastic sealing guaranteed?
A 12-month guarantee covers our work. It covers our workmanship, not later building movement, damage or frame failures.
How do you choose the sealant?
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.
Can you work to our specification?
Yes. Send it with your enquiry, and we’ll price the work to it, flagging anything that needs clarifying.
After the work
Cleaning and maintenance staff play a part too. Pass these on to them:
- List the paperwork your organisation requires when you send details
- Encourage occupiers to report problems at frames
- Start inspections with the most exposed faces
- Group repairs into a planned programme
Add mastic joints to your cyclical inspections. Check for splits, open joints, brittle mastic and lifting edges, and note the building and elevation.
Budgets are easier to plan when sealant is part of planned maintenance. We can quote buildings in priority order and work down the list.
For managing agents and facilities managers
As a CHAS accredited contractor and Constructionline member, we make supplier vetting simple. Our insurance certificate can be sent along with the quote.
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.
Diagnose, treat, sign off
Tell us your site hours and access windows and we will plan around them. While we’re working, the area stays contained and tidy, and we check in with your contact before moving on to each new area. For a building around Northington, tell us how to find it and who will meet us. Send that with the details and we will confirm the plan with the quote.
- First comes a look at the joints and, for older buildings, the asbestos records.
- A fixed quote covers the joints, products and order of work.
- Failed mastic is removed completely.
- The joints are prepared and resealed with the right product.
- We finish each building before moving to the next.
Getting the site ready
- Flag any permit to work we will need
- Agree which areas must stay open
- Confirm the product named in the specification
Quotes
Quotes are fixed against the scope you send, so you know the figure before anyone is on site. To ask for one, ring 01277 525 020 or email us.
Read more
Surface by surface
Commercial and mixed-use buildings
Landlords with commercial portfolios have shopfronts, office entrances and external joints to look after. We work across portfolios on a planned basis.
Tenement and older buildings
Natural stone can be marked by the wrong sealant and we choose accordingly.
When it isn’t the sealant
We seal joints; we don’t mend everything behind them. On its own, sealant can’t deal with:
- Leaks through the frame itself rather than the perimeter
- Asbestos-containing sealant, which we don’t remove
- Cracked or crumbling render, brick or stone at the joint edges (we’ll tell you if so)
Not sure which it is? You can call the office on 01277 525 020 or email us and we will tell you honestly before you book.
Surfaces we seal
- Communal entrances and stairwells
- Communal kitchens and washrooms
- Shopfronts below residential blocks
- External wall and movement joints
- Balcony and threshold joints
- Window and door perimeters on blocks
Mastic sealing in Northington: the local picture
Rainfall across the South East, Northington included, is lower than in many parts of the UK. Even so, frame mastic only goes on in dry, workable conditions, and elevations facing the sun and the prevailing weather are usually where frame mastic ages first. Northington is about 54 miles from central London. Around the capital’s commuter belt, managing agents look after many blocks close to stations and town centres; their frame mastic often ages block-wide.
Blocks of flats and mixed-use buildings often cluster around stations such as Micheldever station, 4.6 miles to the north-west of Northington, and their window and balcony mastic tends to age at the same rate across a building. Trustees of buildings like Church of St John the Evangelist can bring frame and external mastic into a planned maintenance list.
Northington is about 7 miles north-east of Hyde, in Hampshire. Northington sits inside our coverage, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. Across Hampshire, 723 places are covered, including Northington. There’s a separate page for Southampton, roughly 17 miles from Northington.
Work on mastic joints is covered throughout SO24, whatever the building. Just outside Northington, we also work in Totford (1 mile north-east), Brown Candover (1 mile north-east), Old Alresford (2 miles south-east), Bighton (3 miles south-east) and Preston Candover (4 miles north-east). Further afield, our area takes in Basingstoke (10 miles north), Winchester (8 miles south-west), Eastleigh (13 miles south-west), Andover (14 miles north-west), Chandler's Ford (13 miles south-west) and Alton (9 miles east).
Landmarks near Northington
We work on buildings around The Woolpack Inn. For rail, the closest station is Micheldever station, about 4.6 miles north-west. A little further out are Barton Castle (3.2 miles east).
Places near Northington
More services for Northington
Why deal with it now?
Adding sealant to cyclical maintenance is an easy win. Waiting until leaks appear means working under pressure with less control over timing. Converted and older buildings near places like Northington tend to move, and aged sealant cracks. A sealant with the right movement capability, correctly sized, lasts far better.
Access often affects the price as much as the sealing: 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 Northington choose us
- 12 months’ guarantee on every job
- Old sealant cut out, never sealed over
- Constructionline member for supplier checks
- Colour agreed before work starts
Read our cost guide or how we’re accredited.