Surrey · England
External & façade joints in Horsell, Surrey
Movement joints in Horsell need attention? We remove the old material, prepare the joints and seal them properly.
- Joints pointed up with cement by mistake
- Movement joints with cracked, split or missing sealant
- Rain getting behind render or cladding at a joint
Aftercare tips
Simple care keeps the joints in good condition. We recommend:
- Leave the joints unpainted unless we have said otherwise
- Clear growth from the base of walls and joints
- Act on the first splits you see
- Look over the joints every year, ideally after winter
Have a quick look at the joints each spring. Watch for splits, edges coming away or growth in the joint.
Act while the splits are small. At that stage it’s a simple cut out and reseal with no damage behind it to deal with.
How we handle external mastic in Horsell
Many failed façade joints only get noticed once there’s a stain or a damp patch inside. We look over the joints, agree the ones to renew and reseal with a flexible, weatherproof product in a colour to suit. We work on render & cladding joints, concrete & block and brickwork movement joints, and common reasons people get in touch are failed seals between different materials and weathered mastic that no longer stretches.
Homes around Horsell range from older cottages to newer houses, with walls and rooflines of every type. Older gutters and trims need their joints resealed; newer brick and render need their movement joints kept sound.
A 12-month guarantee comes as standard.
- Where
- Horsell (GU21, GU22)
- Region
- Surrey
- Guarantee
- 12 months on all our work
- Price
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Towns and villages near Horsell
Also in Horsell
Horsell questions
Can you do external mastic in Horsell?
Yes. We work across London and the South East, and Horsell is part of that. Just call 0345 464 0079 or drop us an email with a few details of the job.
Is Horsell within the area you cover?
Yes, we do. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Can you quote for more than one area?
Of course. Doing several areas at once is usually more efficient.
What do you put in the joint?
The product depends on the job: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. Brands we use include Arbo and Everbuild.
What does external mastic cost?
Every job is different, so each one gets its own quote. For a quick quote, call 0345 464 0079 or send us an email with a short description of the job.
How long before the joint can be used?
Cure times vary by product and the conditions. We tell you how long to leave it before we go.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned.
Can I do it myself?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.
What the job involves on each surface
Concrete and blockwork
The face of concrete or block is often dusty, so cleaning and priming matter. We prime where the sealant needs it before sealing.
Brickwork movement joints
Vertical joints in long brick walls let the brickwork expand without cracking. We reseal them with a low-modulus sealant over backing rod in a colour to suit the brick.
When something else is needed
In fairness, there are a few things sealant won’t fix:
- Loose or hollow render, which needs re-rendering
- Movement that is more than a sealant joint can take
- Cracking across the wall rather than at a joint
If you are not sure, just call 0345 464 0079 or drop us an email and we’ll give you a straight answer before booking.
Surfaces we seal
- Joints between brick and frames
- Façade panels
- Render & cladding joints
- Concrete & block
- Brickwork movement joints
- Copings & trims
Signs you need external mastic in Horsell
Every building moves. Clay bricks expand slightly over their life, concrete and block shrink, and everything moves with temperature and wet. The sealant in the movement joints takes that strain.
It’s worth asking for a quote if you see:
- Sealant that has lost its bond to the brick or render
- Rigid filler in a joint that should flex
- Rain getting behind render or cladding at a joint
- Joints with sealant missing in places
In the older streets around Church of St Mary the Virgin, an extension built onto an older house moves differently, and the joint between them takes the strain.
What your quote should include
- How hidden problems are handled
- Whether you can choose the colour
- How the surfaces are prepared before sealing
- How long to leave it before use
Landlord and commercial work in Horsell
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements and we will quote.
Failed sealant is one of the commonest items on a check-out report. Several properties can go on one quote.
DIY versus a professional finish
If you’re set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
What happens on the day
A visit follows a simple pattern: we check the joints, protect the area around them, carry out the job and tidy away. Most jobs take anything from a few hours to several days, depending on the building. Parking around Horsell is generally easier than in a town centre, but mention any lanes, gates or long drives. For outside work, side access and the height of the joints help us plan.
- First we look over the joints with you, agree which to renew and talk through access.
- Old sealant and any debris are cut and raked out.
- We clean both faces of the joint and prime them where the product calls for it.
- Closed-cell backing rod is fitted to set the depth and stop three-sided bonding.
- The new sealant, chosen to suit the brick or render, is applied and tooled to a neat finish.
Preparing for the visit
- Mention any tricky access
- Mention any sign-in or site rules at work premises
- Keep children and pets away from the work area
Getting a quote
For external mastic in Horsell, call 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
Read more
Walls and rooflines in Horsell
The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like Botleys Mansion (about 3.3 miles north) are a reminder that the area around Horsell has older buildings as well as new. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material.
Rented homes near Woking station change hands often, and failed wall and movement joints let damp in, so they’re worth checking between tenancies. For site and facilities teams at buildings such as Woking High School, larger buildings have long runs of movement joint that eventually need resealing.
Horsell is about 1 mile north-east of Woking, in Surrey. Jobs in Horsell get the same care as everywhere else we work: old sealant removed completely, careful preparation and a 12-month guarantee. We cover 395 towns and villages across Surrey, large and small. Our Reading page covers work nearby.
All of GU21 and GU22 is covered for external mastic. Whether your property is on Elm Road, Heath Road and Popes Lane or anywhere close by, our applicators can take on the job. Horsell is on the A3046, so it’s easy for us to get to. Close by, we work in Woking (1 mile south-west), Goldsworth Park (1 mile south-west), Mimbridge (1 mile north-west), Sheerwater (1 mile east) and St John's (2 miles south-west). We also work in nearby towns such as Guildford (6 miles south), Camberley (7 miles west), Epsom (13 miles east), Farnham (13 miles south-west), Ewell (13 miles east) and Egham (7 miles north).
Local landmarks in Horsell
Around Horsell, our work takes us to homes and buildings near The Horsell Village School, Milford Green and Coxhill Green and The Red Lion pub. For rail, the closest station is Woking station, roughly 0.7 miles south. Well-known places in the area include The Hockey Museum (0.7 miles south) and Woking Community Hospital (1 mile south). Open spaces near Horsell include Gracious Pond and Boldermere Lake.