Earnley mastic sealing
Mastic sealing for building owners, managing agents and housing associations across Earnley, by CSCS-carded applicators. Fully insured and CHAS accredited.
- Patchy repairs in mismatched sealant
- Draught complaints from residents or tenants
- Window mastic that has split and shrunk
Mastic sealing across Earnley
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
On site: what to expect
Our CSCS-carded applicators arrive with the sealants, primers and backing rod the job calls for. Joint faces are cleaned back to sound, dry surfaces, the manufacturer’s primer is applied where it’s called for, and the sealant is tooled off neatly. Smaller jobs around Earnley can be grouped with others nearby, which keeps travel down. You’ll have a fixed quote before work starts.
- Each block or building is walked and the failed joints recorded with the likely cause.
- We send a fixed quote that sets out the joints, the products and the programme.
- The programme is fixed with you, including dates you can pass on to residents or tenants.
- Old sealant is stripped and each face prepared back to firm material.
- Backing rod and primer go in where the joint and the product need them, then new sealant is applied and tooled.
- Finished joints are looked over and the 12-month guarantee confirmed.
Getting the site ready
- Clear stock, furniture or equipment away from the joints
- Confirm the product named in the specification
- Let us know about inductions and permits
Getting a fixed quote
Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Share whatever details you have and we will fill any gaps with a visit.
Related advice
Mastic sealing for commercial buildings in Earnley
Mastic Doctor has sealed joints on commercial and residential blocks since 2005. Our applicators are CSCS-carded and we hold public liability insurance. Resealed mastic joints in Earnley carry our 12-month guarantee. We work on communal entrances and stairwells, balcony and threshold joints and external wall and movement joints, and the failures we are asked to look at most are water getting in round frames after rain and old repairs sealed over failed mastic. Searching for sealant specialists in Earnley? We’ve been sealing commercial buildings since 2005, with CSCS-carded applicators.
Around smaller places like Earnley, older walls fitted with newer windows are a familiar sight. Perimeter mastic there has to grip an uneven face and suit the building’s character.
Every job is signed off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.
- Where
- Earnley (PO20)
- Region
- West Sussex
- Cover
- 12 months on our workmanship
- Quote
- A fixed quote before we start
- Call
- 01277 525 020
- Updated
- 3 November 2026
What sealant work can’t fix
Being straight saves everyone time. Fresh joints won’t solve:
- Materials that need asbestos testing before work
- Substrate edges that need repairing first
- Leaks through the frame itself rather than the perimeter
If in doubt, phone 01277 525 020 or email us and we’ll say what we think before you book.
What we seal
- Shopfronts below residential blocks
- Window and door perimeters on blocks
- Communal entrances and stairwells
- Communal kitchens and washrooms
- Balcony and threshold joints
- External wall and movement joints
Owners, agents and contractors
As a CHAS accredited contractor and Constructionline member, we’re straightforward to vet for your supplier list. We are fully insured, and our insurance certificate can go with the quote.
Main contractors use us as their sealant subcontractor. We work to your programme, your specification and your site rules, with CSCS-carded applicators on site.
Doing it in-house
For a quick touch-up, site staff may be fine, but anything bigger is another matter: a specialist brings efficiency, a consistent finish and a 12-month guarantee.
Some joints are best left to specialists: fire-rated seals that must follow a tested detail, trafficked floor joints and external movement joints among them. Getting these wrong normally costs more in the end than doing them right.
Planned mastic for Earnley portfolios
Earnley lies within about 2 miles of the sea. Sea-facing elevations take driven rain and salt, and their mastic shows it before the sheltered sides do; plan inspections around that. Earnley is about 60 miles from central London. Around the capital’s commuter belt, managing agents look after many blocks close to stations and town centres, and window and balcony mastic on them tends to age at the same rate.
If you own or manage units on a site such as Enborne Business Park, which lies east of Earnley, failed mastic on frames, door surrounds and external joints can be dealt with unit by unit. If your remit includes a building such as East Wittering Community Primary School, frame and door mastic can be programmed for the holidays. Churches, halls and community buildings such as Earnley Church are looked after by trustees and committees like any other owner, and their frames, doors and external joints need mastic renewed in time.
Earnley is about 3 miles north-west of Selsey, in West Sussex. Anywhere in PO20, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. Earnley is one of 373 places we cover in West Sussex. Our Portsmouth page has more on work in that area.
Anyone looking for mastic sealing in PO20 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. If your site is on Earnley Manor Close, Bookers Lane and Drove Lane or close by, we can quote for mastic joints. If your building is just outside Earnley, we cover East Wittering (1 mile west), Almodington (1 mile north-east), Somerley (1 mile north), Shipton Green (2 miles north) and Birdham (2 miles north). Bigger towns within reach include Bognor Regis (7 miles east), Chichester (6 miles north-east), Selsey (3 miles south-east), Littlehampton (14 miles east), Rustington (15 miles east) and Portfield (6 miles north-east).
Near you in Earnley
A little further out are Selsey Lifeboat Museum (3.9 miles south-east). Green spaces nearby include Pilsey Island.
Looking after the joints
To get the most from the new sealant:
- Look at the sunniest and most exposed elevations first
- Ask residents or tenants to report leaks and draughts early
- Protect low-level joints in entrances
- Have the asbestos survey to hand for older buildings
Our workmanship is covered for 12 months, so report any failure in that time. Beyond that, routine checks spot the next round of repairs.
Planned resealing is easier to budget than emergency repairs. A programme can start with the worst buildings so spending is spread.
Places near Earnley
What else we do in Earnley
What the job involves on each surface
External movement joints
Movement joints are cleaned out, backed with rod and resealed with a sealant of the right movement class.
Communal areas
Joints at low level in communal areas take knocks from bins, bikes and buggies and tend to fail first.
Common questions from Earnley clients
Is Enborne Business Park, near Earnley, within your area?
Yes. Estates, retail parks and business parks around Earnley, Enborne Business Park among them, are all within reach. A few photos and the unit address let us price the work.
Does a coastal location like Earnley affect which sealant is used?
It can. Wind-driven rain and, closer to the shore, salt air are harder on external joints. That puts more weight on product choice, primers where the manufacturer specifies them, and correct joint sizing.
Do you work with property factors and landlords?
We do. Managing agents, property factors in Scotland, housing associations and landlords with block or commercial portfolios are our main clients for this work and work can be quoted per building or as a whole.
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.
When is resealing likely to be due?
There isn’t a single answer, since movement, weather, cleaning and use all affect it. Regular inspection is the best way to catch problems early.
Can weather delay the job?
Outside, yes. The joint has to be dry and within the product’s temperature range, so frost, rain or cold mornings can delay outside work. Inside work is seldom held up.
Can you reseal a whole block or estate?
Yes. Each building is inspected, quoted and scheduled in turn starting wherever is most urgent.