West Berkshire · England
External Mastic in Beedon
External mastic in Beedon from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Weathered mastic that no longer stretches
- Rain getting behind render or cladding at a joint
- Panel joints letting water in
Signs you need external mastic in Beedon
Joints sealed without backing rod, or far too deep, rarely last. Sealant bonded to three sides has nowhere to go and tears as soon as the joint widens.
These are the problems we’re asked about most:
- Cracked joints where brick meets render or frames
- Joints where the bead has come unstuck
- Hard, crazed mastic that has stopped moving
- Movement joints filled with mortar instead of sealant
For an older house near a landmark such as Church of St Nicholas, the joints between older walls, newer extensions and the roofline need a sealant that can move.
What your quote should include
- Is VAT in the price?
- Whether all the old sealant comes out first
- How the colour is chosen
- How long to leave it before use
How we handle external mastic in Beedon
Joints in render and cladding are easy to overlook until a damp patch appears. We inspect them, agree which need doing and reseal with a weatherproof, flexible sealant. Common call-outs are for weeds or debris growing in open joints and sealant that has lost its bond to the brick or render, on copings & trims, joints between brick and frames and render & cladding joints.
Outside joints can only be sealed when they’re dry, so work in Beedon is booked around the forecast. Tell us about access to all sides of the building, including outbuildings and garages.
The work is covered for a year after we finish. If anything isn’t right with it, call 0345 464 0079 or send us an email.
- Location
- Beedon (RG20)
- Wider area
- West Berkshire
- Guarantee
- 12 months on all our work
- Quotes
- A clear price before work begins
- Call
- 0345 464 0079
- Updated
- 26 October 2026
DIY sealant or a professional job?
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so tell us about it when you ask for a quote.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
What we do, step by step
When we arrive, we start by going over the job with you, so there are no surprises. Surfaces next to the work are protected before any work starts. The work normally takes anything from a few hours to several days, depending on the building. For a village or hamlet like Beedon, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- First we look over the joints with you, agree which to renew and talk through access.
- The old mastic and anything lodged in the joint is removed.
- Both sides are cleaned back to sound material and primed if needed.
- 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.
How to prepare
- Plan for the work area to be out of bounds to pets and children
- Tell us about access, such as stairs, a lift or high-level joints
- Let us know about earlier repairs to the joints
Ask for a quote
If you’re in Beedon and need external mastic, phone 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we will agree the price before any work begins.
Read more
Walls and rooflines in Beedon
Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
For site and facilities teams at buildings such as Beedon C.E. (Controlled) Primary School, its movement joints, gutters and trims need looking after like any other building’s.
Beedon is about 7 miles north of Thatcham, in West Berkshire. For external mastic in and around Beedon, please call 0345 464 0079 or email us for a quick quote. We’re based in Crawley and cover West Berkshire. Beedon is one of 155 towns and villages in West Berkshire we cover for external mastic. Reading is on our list too, around 14 miles away.
We cover every part of RG20 for external mastic and the streets around it. Whether your property is on Stanmore Road and Weston's or anywhere close by, we can help. If you’re just outside Beedon, we cover World's End (1 mile south), Peasemore (2 miles west), Downend (2 miles south), Chieveley (2 miles south) and North Heath (3 miles south-west). We also work in nearby towns such as Newbury (7 miles south), Thatcham (7 miles south), Burghfield Common (12 miles south-east), Speenhamland (6 miles south), Hungerford (11 miles south-west) and Calcot (12 miles east).
What’s near Beedon
Around Beedon, our work takes us to homes and buildings near The Downs School and The Coach pub, among other places. A little further out are Hampstead Norris Castle (2.9 miles south-east). The countryside around Beedon includes Snelsmore Common and Churn Hill.
Work for landlords, hotels and businesses
Whether it’s one flat or a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
For anyone letting property in or around Beedon, jobs at different addresses can go on one quote. Send us the addresses and the work at each.
Aftercare tips
Joint life depends on how it’s used and looked after. We suggest:
- Show decorators and builders where the movement joints are
- Avoid pressure-washing directly into sealant joints
- Deal with leaking gutters that soak the joints below
- Get split or bare joints resealed while the damage is small
Look over the joints once a year, ideally after winter. Splits, gaps at the edges or plants in the joint are early warning signs.
Water getting behind cladding or render can go unnoticed for a long time. By the time there’s a damp patch, the damage can be well established.
Towns and villages near Beedon
Other services in Beedon
Different surfaces, different methods
Joints between dissimilar materials
Different materials may need different primers. Both surfaces are cleaned and primed as the product requires.
Copings and trims
Coping and trim joints face rain and sun head on. Each is resealed with a weatherproof, flexible sealant.
What sealant work can’t fix
It helps to know what we can’t do:
- Structural movement, which needs a surveyor or engineer
- Walls that need new movement joints cut into them
- Damp that isn’t coming from the joint
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly before booking.
What we seal
- Copings & trims
- Brickwork movement joints
- Joints between brick and frames
- Render & cladding joints
- Concrete & block
- Façade panels
Common questions in Beedon
Can you do external mastic in Beedon?
Yes, Beedon is within the area we cover. Our work covers London and the South East. You can phone 0345 464 0079 or send us an email and tell us what needs doing, and we’ll give you a clear quote.
Is Beedon within the area you cover?
Yes, smaller places are covered as well as towns. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Is the work guaranteed?
Yes. All our work carries our 12-month guarantee.
Do you hold any approvals?
Yes. Mr Mastic is an ARBOMaster approved applicator.
What sealant do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we’ll tell you what we are using.
Should I try DIY first?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
How do you reach high-level joints?
That depends on how high the joints are and the ground below. Ground-floor joints are simple; for higher ones, send details and we’ll confirm the access.
Are you fully insured?
Yes. Mr Mastic is fully insured, and we have been doing sealant work for more than 20 years.