Bracknell Forest · England
External & façade joints in Great Hollands, Bracknell Forest
We cover Great Hollands for sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.
- Rigid filler in a joint that should flex
- Cracked joints where brick meets render or frames
- Sealant that has lost its bond to the brick or render
External mastic for homes and businesses in Great Hollands
External mastic is a job where short cuts show quickly. Overfilled joints, missing backing rod and sealant laid over old sealant rarely last long. We strip the joint back and start again. If you have failed sealant between panels on a façade and moss and dirt in joints with no sealant left, we can help, on joints between brick and frames, concrete & block and render & cladding joints alike.
Outbuildings, garages and conservatories around homes in places like Great Hollands add more joints to look after. Leaks normally start at a gutter end, a garage door frame or where an extension meets the house.
All our work comes with our one-year guarantee.
- Where
- Great Hollands (RG12, RG40)
- Wider area
- Bracknell Forest
- Cover
- 12 months on all our work
- Quote
- A clear price before work begins
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
DIY sealant or a professional job?
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Work for landlords, hotels and businesses
Housing providers, facilities teams and property managers book us too. Several sites can go on one quote.
For anyone letting property in or around Great Hollands, several properties can go on one quote. Just tell us the addresses and what each one needs, and pictures by email help.
External mastic in Great Hollands: local notes
Bracknell, which Great Hollands is part of, is one of England’s post-war new towns. Many homes date from the post-war decades and were built in phases, so neighbouring houses often have rooflines and wall joints of the same age, wearing out at the same time. Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Schools such as Great Hollands Primary School are buildings too, and larger buildings have long runs of movement joint that eventually need resealing. For landlords with property near Bracknell station, failed wall and movement joints let damp in, so they’re worth checking between tenancies.
Great Hollands is about 1 mile south-west of Bracknell, in Bracknell Forest. Our applicators cover external mastic for homes and businesses in Great Hollands and the surrounding area, as part of our work across Bracknell Forest. Great Hollands is one of 41 towns and villages in Bracknell Forest where we work for external mastic. For nearby work, see our Reading page.
Postcode districts we cover here for external mastic: RG12 and RG40. Streets in the area include Gull Lane, Mill Lane and Cuckoo Lane. Great Hollands sits on or near the A3095, which makes travel easy. We also cover the places around Great Hollands: Hanworth (1 mile south-east), Wooden Hill (1 mile south), Home Farm (1 mile south-west), Birch Hill (1 mile south-east) and Crown Wood (1 mile east). Within a short drive, we also cover Sandhurst (4 miles south), Whitegrove (3 miles north-east), College Town (4 miles south), Little Sandhurst (4 miles south-west), Warfield Park (3 miles north-east) and Owlsmoor (3 miles south). As one of the bigger places in Bracknell Forest, Great Hollands has every kind of property, from flats to offices.
Near you in Great Hollands
Locally, jobs take us to homes and businesses close to Golden Retriever pub, Easthampstead Park Community School and The Brakenhale School and the streets around them. For rail, the closest station is Bracknell station, about 1.3 miles north-east. Nearby you will also find The Lexicon (1.5 miles north-east) and Pinewood Hospital (1.4 miles south-west). Open spaces near Great Hollands include Wildmoor Heath and Heath Lake.
Your questions about external mastic in Great Hollands
Is Great Hollands within the area you cover?
Yes, Great Hollands is covered. We work across 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 help a landlord with a rental near Bracknell station?
Yes. We work for letting agents and landlords as well as householders, and several properties can be quoted together. You can phone 0345 464 0079 or drop us an email with the details for a clear quote.
What sealant do you use?
It depends on the joint: sanitary silicone where it gets wet, and sealants suited to movement or weather elsewhere. We use products from Arbo and Everbuild.
Can a movement joint be filled with mortar?
No. Mortar locks the joint solid, so the movement cracks the wall elsewhere. Use a flexible sealant with backing rod.
Is it OK to seal over old sealant?
No. The old sealant always comes out first, so the new sealant bonds properly.
Do the sealants smell?
That depends on the sealant. Some smell for a while, some hardly at all, and any smell fades as they cure.
Can I do it myself?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
What information do you need?
Just the basics: where it is, what you’ve noticed and how we reach it. After that, simply ring 0345 464 0079 or drop us an email.
Honest limits
A few problems are outside what sealant work can do:
- Cracking across the wall rather than at a joint
- Subsidence or other structural problems
- Rising or penetrating damp from elsewhere in the wall
If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer before you book.
Where we work in Great Hollands
- Concrete & block
- Brickwork movement joints
- Façade panels
- Copings & trims
- Render & cladding joints
- Joints between brick and frames
Also near Great Hollands
Other services in Great Hollands
Surface by surface
Joints between dissimilar materials
Where a frame or panel meets masonry, water often finds a way in. The old joint is removed and a sealant that bonds to both sides goes in.
Brickwork movement joints
Brick moves with heat and moisture, and grows a little over time. That movement goes into the joint, so its sealant has to stay flexible.
Aftercare tips
A little care helps the new joints last. Our advice:
- Fix overflowing gutters above sealed joints
- Tell anyone working on the walls about the movement joints
- Keep movement joints as flexible joints, not mortar
- Avoid pressure-washing directly into sealant joints
Keep the joints clear of soil, plants and climbing growth. Anything that holds water against the joint wears it out sooner.
An open movement joint lets rain into the wall every time it pours. Over time it can mean damp inside, stained render or frost-damaged brick.
What we do, step by step
A visit follows a simple pattern: we look at the joints together, mask and protect the surrounding surfaces, carry out the job and tidy away. It normally takes a few hours for a handful of joints, longer for a whole elevation. In a smaller place like Great Hollands, parking is seldom the issue; lanes, gates and long drives are worth mentioning. For outside work, side access and the height of the joints help us plan.
- We start by walking round the building and agreeing the joints and the access.
- 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.
- We apply the sealant, tool it and check the whole run.
How to prepare
- Mention any tricky access
- Mention any leaks or damp you’ve noticed
- Clear the area around the work
Get a quote
There’s no standard price list, because every job is different. Instead, your job gets its own clear quote. To get started, ring 0345 464 0079 or send us an email.
Advice
Do you need external mastic in Great Hollands?
Many joints fail because they were sealed too deep or with nothing behind them. Sealant bonded to three sides has nowhere to go and rips as the joint opens.
People usually contact us when they notice one of these:
- Plants rooting in failed movement joints
- Weathered mastic that no longer stretches
- Joints with sealant missing in places
- Leaking joints around cladding and façade panels
Homes close to St Michael and St Mary Magdalene's Church include some older properties, and older walls, gutters and the joints where extensions meet them need a flexible sealant.
What to look for in a quote
- Whether they’re fully insured
- When the joint can take water or movement
- What happens if the job turns out different
- How the surfaces are prepared before sealing