
Mastic Sealing in Fernhurst
We carry out mastic sealing for building owners, managing agents and housing associations in Fernhurst and the surrounding area. Send photographs or drawings for a fixed quote.
- Mastic failing across several blocks on an estate
- Repeated reactive repairs to the same buildings
- Open joints in brickwork or panels
Mastic sealing across Fernhurst
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Do you need mastic sealing in Fernhurst?
UV and rain age external sealant. The surface chalks, the body stiffens and cracks appear, especially on south and west faces.
Typical triggers for a call:
- Complaints coming in block by block
- Failed external movement joints
- Old repairs sealed over failed mastic
- Mastic failing across several blocks on an estate
Older buildings near Fernhurst, from historic houses such as Cowdray House (to the south of Fernhurst) to more modest stock, need compatible products when frames are resealed.
Questions to ask before you book
- Is the sealant right for the movement and the substrate?
- Their public liability cover
- What site paperwork they can supply
- What the guarantee covers, and for how long
Mastic sealing in Fernhurst
Most buildings come with mastic joints nobody has looked at since handover and it slowly wears out: window perimeters, door frames, external joints and communal junctions all rely on it. Once it cracks, hardens or comes away, draughts and water find a way in, and occupiers start reporting it. If you’re dealing with the same joint failures repeated across a portfolio and old repairs sealed over failed mastic, we can help, whatever the surface. Whether you call it commercial sealant work, mastic application or joint sealing, the work in Fernhurst is the same: failed joints cut out, faces prepared and the right sealant laid to the right depth.
For owners with a single building near Fernhurst, we plan to finish in one visit where possible. Photos of each elevation help us quote accurately.
Whoever the client is, the cover is the same: twelve months on the work we carried out. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.

- Location
- Fernhurst (GU27)
- Region
- West Sussex
- Cover
- A 12-month guarantee
- Price
- Fixed quote, scope in writing
- Call
- 01277 525 020
- Updated
- 3 November 2026
Also near Fernhurst
Also in Fernhurst
Diagnose, treat, sign off
We begin with a short walk round with whoever looks after the building, agreeing which joints are in scope, where to start and what must stay open. After that, any old or failed material is removed, each joint is prepared and the new sealant goes in. For work around Fernhurst, we aim to finish in one visit, so photos and measurements up front really help. Then the right materials arrive with us.
- First we look at the mastic on each building and note what needs replacing.
- A fixed quote follows, split by block or building if that suits you.
- The programme is fixed with you, including dates you can pass on to residents or tenants.
- We remove the old mastic completely and clean the joint faces back.
- 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
- Let building users know which areas are affected
- Arrange parking or a loading space
- Send asbestos survey details if the building is pre-2000
Getting a fixed quote
If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price against exactly what is specified. Smaller jobs need nothing more than photos and a few notes.
Related advice
Cost factors for mastic joints
Before we quote, we look at:
- How accessible the joints are
- Travel to remote or island sites
- Phasing around occupants
- Specialist products, such as fire-rated or hygienic sealants
Pricing mastic joints depends on how many there are, their condition and the access, and any specification that applies. Call for a quote.
What we need to price the job
We can often quote from photos and a few details. Please tell us:
- Rough lengths or quantities, or drawings if you have them
- Photos of the joints, close up and from further back
- The product your specification calls for
- The postcode of the building
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, speak to us on 01277 525 020 or email a schedule or drawings.
When something else is needed
We seal joints; we don’t mend everything behind them. On its own, sealant can’t deal with:
- Leaks from above rather than through a joint
- Failed window or door frames, which need a window contractor
- Substrate edges that need repairing first
Not sure which it is? You can call the office on 01277 525 020 or send photos by email and we will tell you honestly.
Surfaces we seal
- Shopfronts below residential blocks
- Window and door perimeters on blocks
- Communal kitchens and washrooms
- External wall and movement joints
- Balcony and threshold joints
- Communal entrances and stairwells
Doing it in-house
What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are where general trades tend to cut corners.
General builders and handymen seal joints, but it isn’t their main trade. A specialist prepares properly, controls joint depth and picks a product with the right movement class.
Planned mastic for Fernhurst portfolios
Fernhurst lies roughly 41 miles out from central London. Around the capital’s commuter belt, managing agents look after many blocks close to stations and town centres. Fernhurst sits in one of the drier corners of the country, the South East. Outside work still depends on dry joints, while the elevations that take the most sun tend to show hardened mastic first.
Schools and community buildings such as Fernhurst Primary School need frame and external mastic kept sound like any building. For owners of several units at places like Hurstfold Industrial Estate, 1.3 miles to the south-east of Fernhurst, one programme can deal with frame and external mastic across the lot.
Fernhurst is about 10 miles east of Petersfield, in West Sussex. Anywhere in GU27, the process is the same: send details, get a fixed quote, we seal, and the work is guaranteed. We work across 373 places in West Sussex, large and small. We also cover Portsmouth, some 23 miles away.
Anyone looking for mastic sealing in GU27 gets the same process as the rest of our area: details, then a fixed price, then sealing and a 12-month guarantee. Among the streets we cover are Church Road, Merle Way and Bishops Close, and sites on any of them can send details for a fixed quote. Nearby places we also cover include Kingsley Green (1 mile north), Woolmer Hill (2 miles north-west), Linchmere (2 miles north-west), Redford (3 miles south-west) and Haslemere (3 miles north). A short drive away, we cover Chichester (15 miles south), Storrington (15 miles south-east), Billingshurst (12 miles east), Portfield (15 miles south), Midhurst (5 miles south) and Arundel (15 miles south-east).
Landmarks near Fernhurst
Fernhurst’s nearest station is Haslemere station, roughly 2.7 miles north of the centre. A little further out are Haslemere and District Hospital (2.9 miles north). For a walk, there’s Blackdown and Cooksbridge Meadow.
Keeping the joints sound
After handover, these steps help:
- Plan resealing building by building rather than complaint by complaint
- Make it easy for occupiers to report draughts
- Have the asbestos survey to hand for older buildings
- Mention RAMS, insurance or CSCS requirements up front
If a joint we sealed fails within 12 months, tell us and we’ll look at it. Beyond that, routine checks spot the next round of repairs.
The longer failed joints are left, the more likely the substrate edges break up. Once that happens, repairs come before resealing and the job grows.
Questions we are asked in Fernhurst
Do you cover business parks and estates near Fernhurst, such as Hurstfold Industrial Estate?
Yes. We cover Fernhurst and the area around it, including industrial estates, business parks and retail parks such as Hurstfold Industrial Estate. To start, just ring 01277 525 020 or email the details over with the unit, the joints involved and your access times.
Is Fernhurst too far out for you?
Not at all: smaller places are covered as well as towns. Our area covers London and the South East counties. Good photos up front let us bring everything on the first visit.
When can the area be used after sealing?
That comes down to the sealant and the temperature. Some take light use quickly, others need longer to cure, and we confirm it before leaving site.
Do you supply RAMS and insurance details?
Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote. We are CHAS accredited and a Constructionline member.
How long does a typical visit take?
It depends on the scope, but the work typically takes one or more days per building, depending on the joint lengths and the access. Larger or phased jobs take longer, and we’ll give you a timescale with the quote.
Will you come and look before quoting?
Photos, drawings or a schedule are often enough to quote. If the job needs a look first, we’ll arrange a visit.
What will the job cost?
There isn’t a price list, because every site is different. With photographs or drawings, we can give you a fixed quote.