Essex · England
External Mastic in Hobbs Cross
Specialist external mastic for Hobbs Cross: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Plants rooting in failed movement joints
- Joints where the bead has come unstuck
- Cracked joints where brick meets render or frames
External mastic in Hobbs Cross
Getting the depth right is half the job. Closed-cell backing rod sets the depth and stops the sealant sticking to the back, leaving it bonded to two faces so it can move with the wall. We work on render & cladding joints, concrete & block and brickwork movement joints, and common reasons people get in touch are water getting into walls through failed joints and failed seals between different materials.
Around Hobbs Cross, older buildings can be stone, brick or timber-framed, many with extensions added later. Where one material meets another is where water usually gets in.
A one-year guarantee comes with the work, just as it does everywhere we cover.
- Where
- Hobbs Cross (CM16)
- Region
- Essex
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Different surfaces, different methods
Brickwork movement joints
People sometimes point up a brick movement joint by mistake. Where one has been mortared, we cut it out and reseal it with sealant where it can be done safely.
Concrete and blockwork
The face of concrete or block is often dusty, so cleaning and priming matter. A primer goes on where the product requires one before sealing.
What we do, step by step
We keep the work tidy and contained to the joints we’re treating. The job normally takes a few hours to a few days, depending on the length of joint and the access. Somewhere like Hobbs Cross needs a little journey planning: let us know about lanes, gates and parking. We bring what the job needs, so it can be finished in one trip where possible.
- First, the joints are inspected and the access agreed.
- We cut out the old mastic and rake out anything in the joint.
- Joint faces are cleaned back and primed if the sealant needs it.
- Backing rod sized to the joint goes in to set the depth.
- The exterior sealant is applied, tooled and checked along its length.
How to prepare
- Let us know about earlier repairs to the joints
- Plan for the work area to be out of bounds to pets and children
- Tell us about any water getting in
How to get a quote
For a quote, phone 0345 464 0079 or email us and tell us where the job is and what the problem looks like. You’ll have a clear quote before any work starts.
Advice
Landlords, agents and businesses in Hobbs Cross
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
Hobbs Cross buildings and the weather
Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. Historic houses like Hill Hall (about 0.9 miles east) are a reminder that the area around Hobbs Cross has older buildings as well as new. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material.
For an older house near a landmark such as Church of All Saints, the joints between older walls, newer extensions and the roofline need a sealant that can move.
Hobbs Cross is about 3 miles north-east of Loughton, in Essex. Whether you’re in the middle of Hobbs Cross or further out, external mastic is available for homes and businesses alike, from flats and houses to offices and hotels. Our area takes in 644 places across Essex, large and small. We also work in London, about 15 miles from Hobbs Cross.
We cover every part of the CM16 postcode area for external mastic. Nearby, we also carry out external mastic in Theydon Garnon (1 mile west), Steward's Green (1 mile north), Fiddlers Hamlet (1 mile north), Abridge (2 miles south) and Ivy Chimneys (2 miles north-west). Further out, we also cover Harlow (7 miles north), Brentwood (8 miles south-east), Billericay (13 miles east), Loughton (3 miles south-west), Waltham Abbey (5 miles west) and Harold Wood (7 miles south-east).
Around Hobbs Cross
Well-known places in the area include St. Margaret's Hospital (2.3 miles north) and Epping Signalling Museum (1.7 miles north-west). For a walk, there’s Gernon Bushes.
Why it’s worth doing now in Hobbs Cross
Resealing a run of joints in one go is normally better than patching one at a time. Joints of the same age tend to fail together and it means sorting access once. Older cottages and farmhouses around Hobbs Cross can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Some things make a job bigger or smaller: the old material and how easily it comes out, any mould to treat, and whether we need extra access for height. Your quote takes all of that into account.
Why us?
- Trusted Arbo and Everbuild sealants
- Rated 4.9 stars on Google
- Full insurance on every job
- Neat joints and a tidy finish
Hobbs Cross: your questions answered
Do you cover Hobbs Cross for external mastic?
Yes. We work across London and the South East, and Hobbs Cross is part of that. Just call 0345 464 0079 or drop us an email with a few details of the job.
Is there a guarantee on external mastic in Hobbs Cross?
Every job comes with our one-year guarantee, wherever it is. We’re also fully insured and ARBOMaster approved.
Do the sealants smell?
Some sealants have a smell while they cure. Ventilation helps.
Do you work at height?
That depends on the building and the joints. We work on joints that can be reached safely. Tell us about the building and we’ll confirm what access is needed.
What information do you need?
A short description and the location. If we need more, we’ll ask.
Where is Mr Mastic based?
We work from Crawley. Our applicators cover Hobbs Cross, along with the rest of our area.
Do you work for hotels and businesses?
Yes. We can plan bigger jobs in stages to suit the site.
Are you ARBOMaster approved?
Yes. We are approved under the ARBOMaster scheme, the approved applicator scheme for Arbo sealants.
When it isn’t the sealant
Before you book, it’s worth knowing the limits:
- Cutting new joints into brickwork, which is building work rather than sealant work
- Cracking across the wall rather than at a joint
- Subsidence or other structural problems
If you’re not sure, just phone 0345 464 0079 or email us and we’ll give you a straight answer before you book.
What we seal
- Brickwork movement joints
- Render & cladding joints
- Concrete & block
- Façade panels
- Copings & trims
- Joints between brick and frames
What affects the cost of external mastic
For a quick quote, just ask. What matters most is:
- The type of sealant required
- How much old sealant there is and how hard it is to remove
- How much there is to do
- The number of rooms or windows
The cost depends on the size of the job, how hard the old material is to remove and how easy the joints are to reach. You will have a clear quote before any work starts, so you know where you stand.
What to tell us for a quote
The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:
- The rough size of the job
- Where the property is
- If someone has resealed it before
- A few pictures by email, if you can
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and add pictures by email if you can.
Nearby places to Hobbs Cross
More services for Hobbs Cross
What we’re called out for in Hobbs Cross
Many joints fail because they were sealed too deep or with nothing behind them. If the sealant sticks to the back as well as the sides, it can’t stretch and tears as soon as the joint widens.
These are the problems we’re asked about most:
- Sealant pulling away from one side of the joint
- Weathered mastic that no longer stretches
- Failed sealant between panels on a façade
- Weeds or debris growing in open joints
Managing a site like St John's Church of England Voluntary Controlled School? Then larger buildings have long runs of movement joint that eventually need resealing.
Questions to ask before booking
- How long the guarantee is
- What happens if they find a problem under the old sealant
- Whether they seal over old material or remove it
- Which colour the sealant will be