Surrey · England
Hatchford External Mastic
Sealing brickwork movement joints, render, cladding and façade joints for Hatchford, backed by a one-year guarantee. Call for a quick quote.
- Hard, crazed mastic that has stopped moving
- Failed sealant between panels on a façade
- Damp patches traced to an open external joint
Why it’s worth doing now in Hatchford
Low-modulus sealants stretch easily, so they put less strain on the joint edges. That matters on brick, render and concrete, which can be weaker at the face. Too stiff a sealant can pull at the edges and break them. Older cottages and farmhouses around Hatchford 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: how much old sealant there is and how stubborn it is, any mould to treat, and whether we need extra access for height. We take all of that into account in your quote.
Why Hatchford clients choose us
- 4.9 on Google from 180+ five-star reviews
- Neat joints and a tidy finish
- More than 20 years in sealant work
- White, clear, grey or coloured to suit, where the product allows
Take a look at what affects the cost or our reviews.
External mastic in Hatchford
Failed sealant is cut out, the depth set with closed-cell backing rod, and the joint resealed with a low-modulus sealant made for outside. The colour is chosen to suit the brick or render. We are often asked to deal with weathered mastic that no longer stretches and brick movement joints where the sealant has split, across joints between brick and frames, render & cladding joints and copings & trims.
In a village or hamlet like Hatchford, older cottages and farm buildings often stand in the open, where walls and rooflines take the weather head on. Joints on those walls need a sealant that moves with the building and stays in place.
There’s a 12-month guarantee on every job, large or small.
- Where
- Hatchford (KT11)
- Region
- Surrey
- Cover
- 12 months on all our work
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
The process
Before we leave, we go over the finished joints with you. The work normally takes a few hours for a handful of joints, longer for a whole elevation, depending on the size of the job. Somewhere as small as Hatchford, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- First, the joints are inspected and the access agreed.
- Every bit of old sealant and any mortar or debris is cut out.
- Joint faces are cleaned back and primed if the sealant needs it.
- We fit closed-cell backing rod to control the depth.
- We apply the sealant, tool it and check the whole run.
Before we arrive
- Move anything stored near the joints
- Mention any tricky access
- For business premises, tell us about site rules or sign-in
How to get a quote
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we will talk you through the work.
Read more
What we cannot put right
It helps to know what we can’t do too:
- Adding movement joints to masonry that has none
- Render that is blown, hollow or coming away
- Rising or penetrating damp from elsewhere in the wall
If in doubt, ring 0345 464 0079 or drop us an email and we will say what we think before booking.
Joints and surfaces we work on
- Joints between brick and frames
- Concrete & block
- Copings & trims
- Render & cladding joints
- Brickwork movement joints
- Façade panels
Nearby places to Hatchford
Other services in Hatchford
How to look after the new joints
Looking after new joints is easy, and it makes a real difference:
- Keep movement joints as flexible joints, not mortar
- Check the sealant is paintable before painting near it
- Don’t let climbing plants root in the sealant
- Keep high-pressure jets off the joints
Follow the cure time we give you before the joint is knocked or disturbed. Most exterior sealants skin fast but take longer to cure right through.
An open movement joint lets rain into the wall every time it pours. That can lead to damp patches, staining and frost damage, all bigger jobs than a reseal.
Common questions in Hatchford
Do you cover Hatchford for external mastic?
Yes. Our work covers London and the South East, and Hatchford is part of that. Just ring 0345 464 0079 or email us with a few details of the job.
I let a flat near Effingham Junction station. Can you help?
Yes. We work for letting agents and landlords as well as homeowners. You can ring 0345 464 0079 or drop us an email with the details for a clear quote.
Can I add another job to the visit?
Yes. Tell us about everything you’d like done.
Are you an approved applicator?
Yes. We hold ARBOMaster approved applicator status.
Is it messy?
No. The area is protected while we work and cleaned up afterwards.
Where are you based?
Our base is in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
How do you reach high-level joints?
It depends on the building. Send us photos and a rough idea of the height and we will confirm how they can be reached safely.
What does external mastic cost?
Size, access and the old material all affect the cost. Ask us for a quote and we’ll talk you through it.
Hatchford buildings and the weather
Historic houses like Byfleet Manor (about 2.1 miles north-west) are a reminder that the area around Hatchford 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. Compared with the north and west, the South East gets less rain, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Byfleet Manor, about 2.1 miles north-west, is one of the historic houses in the wider area around Hatchford, and older homes nearby need a sealant that suits their walls. If you look after a building such as St Matthew's CofE Aided Infant School, movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
Hatchford is about 5 miles south of Weybridge, in Surrey. If you need external mastic in Hatchford, it’s easy to get a quote: please call 0345 464 0079 or drop us an email. We’re based in Crawley and cover Surrey. Across Surrey, we cover 395 places, Hatchford among them. We also work in Crawley, about 17 miles from Hatchford.
Our applicators cover all of the KT11 postcode area for external mastic. Other places close to Hatchford include Martyr's Green (1 mile south-west), Hatchford End (1 mile west), Downside (1 mile east), Wisley (2 miles north-west) and Byfleet (3 miles north-west). Further out, we also cover Guildford (7 miles south-west), Woking (6 miles west), Camberley (13 miles west), Epsom (7 miles east), Horley (15 miles south-east) and Redhill (12 miles south-east).
Local landmarks in Hatchford
In Hatchford, that means homes and buildings near The Forest and the Highlands and The Black Swan pub. The nearest railway station is Effingham Junction station, about 1.3 miles south-east of the centre. Other landmarks nearby include Send and Ripley History Society Museum (2.7 miles west) and Woking Community Hospital (5.3 miles west). For a walk, there’s Papercourt Marshes and Boldermere Lake.
Common problems we fix in Hatchford
Joints sealed without backing rod, or far too deep, rarely last. If the sealant sticks to the back as well as the sides, it can’t stretch and rips as the joint opens.
The problems people normally mention when they call are:
- Weathered mastic that no longer stretches
- Panel joints letting water in
- Plants rooting in failed movement joints
- Failed seals between different materials
If you let a flat or house near Effingham Junction station, outside joints that have cracked can let damp into a rental, so check them between lets.
Before you book anyone
- How the colour is chosen
- The length of the guarantee
- Are they insured?
- Whether all the old sealant comes out first
Surface by surface
Concrete and blockwork
Blockwork and concrete shrink over time and move with the seasons. Their movement joints are sealed over backing rod with a flexible sealant.
Brickwork movement joints
Brick moves with heat and moisture, and grows a little over time. The movement joint takes that up, so its sealant has to stay flexible.
Landlords, agents and businesses in Hatchford
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will give you a quote.
From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.