Hampshire · England
Gutter, fascia & soffit sealing in Charlwood, Hampshire
Specialist gutter sealing for Charlwood: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Garage door frames letting rain in
- Stop ends leaking at the end of a run
- Cracked sealant along roofline trims
Questions from Charlwood
Is gutter sealing in Charlwood guaranteed?
All our work, in Charlwood and everywhere else, comes with a 12-month guarantee. We’re also fully insured and ARBOMaster approved.
Can you do gutter sealing in Charlwood?
Yes, Charlwood is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or email us with a few details of the job.
Where is Mr Mastic based?
Our base is Crawley, with over 20 years’ experience. Our area covers South East England, London and Scotland.
Do you do commercial work?
Yes. We work in offices, washrooms, hotels and other commercial premises. We can talk about working times when we 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.
Will it make a mess?
No. The area is protected while we work and cleaned up afterwards.
What do you need from me for a quote?
Where the job is, what the problem is and roughly how big it is. If you can, email a few pictures.
Do I need to be at home?
That depends on where the joints are. For work indoors, someone needs to let us in, while outside work can sometimes be arranged differently.
Gutter sealing in Charlwood, done properly
Our work covers gutter joints and end caps as well as fascias and soffits plus roofline trims and garage door frames. It’s joint work, not replacing the gutter. We work on gutter end caps, gutter joints and roofline trims, and people most often call us about garage door frames letting rain in and damp patches inside below a leaking gutter.
External sealant needs dry, clean surfaces, so work around Charlwood is planned for dry weather. Tell us about access to all sides of the building, including outbuildings and garages.
Your job is guaranteed for a year, as with all our work.
- Place
- Charlwood (SO24)
- Wider area
- Hampshire
- Guarantee
- A year, on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026

Quotes for gutter sealing in Charlwood
Every job gets its own quote. This is what makes a difference:
- How much old sealant there is and how hard it is to remove
- The number and length of the joints
- How many rooms, windows or areas are involved
- The type of sealant required
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 the work is at height. We take all of that into account in your quote.
Helping us quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- Whether it has been sealed before
- The address or postcode of the job
- How many joints, rooms or windows are involved
- Pictures of the joints, sent by email
For a quick quote, get us on the phone, or email us if that’s easier. Describe what needs sealing and we will explain what’s involved before giving you a price.
Outside joints around Charlwood
London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. With historic houses such as Bentworth Hall (about 4.8 miles north) nearby, there’s older building stock in the area around Charlwood as well as newer homes. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material.
In and around Charlwood, as anywhere, good gutter sealing starts with a clean, dry, properly prepared joint. Homes close to Monkwood Mission Church include some older properties, and older walls, gutters and the joints where extensions meet them need a flexible sealant.
Charlwood is about 6 miles south-west of Alton, in Hampshire. Homes, rented property, offices and hotels in Charlwood can book us for gutter sealing, old or new, large or small. Every job comes with our 12-month guarantee. Charlwood is one of 683 towns and villages in Hampshire we cover for gutter sealing. There’s also a page for Southampton, about 19 miles away.
Here we cover the SO24 postcode area for gutter sealing. We also cover the places around Charlwood: Monkwood (1 mile south-west), Kitwood (1 mile north-west), Gilbert Street (1 mile north-west), Ropley (2 miles west) and West Tisted (2 miles south-west). Within a short drive, we also cover Basingstoke (13 miles north), Winchester (12 miles west), Havant (15 miles south), Eastleigh (15 miles south-west), Horndean (12 miles south) and Alton (6 miles north-east).
Around Charlwood
Well-known places in the area include Alton Community Hospital (4.7 miles north-east). For a walk, there’s Red Hill and Shutts Copse.
Why act early in Charlwood
Sealing over a dirty, wet joint is a quick fix that rarely lasts but it tends to peel off. Cleaning out and drying the joint first is what makes it last. Around Charlwood, older homes often have timber in their floors and frames, where water from a failed joint can cause rot if it’s left.
Commercial jobs are quoted on the same basis as homes: the amount of work, the access and the products needed, along with when we can work on site. Call for a quick quote and we will explain what it covers.
Why book with us
- Any old sealant cut out fully, not covered over
- An ARBOMaster approved applicator
- Fully insured
- White, clear, grey or coloured to suit, where the product allows
Take a look at our cost guide and customer reviews.
Different surfaces, different methods
uPVC fascias
Our work is the joints, not new fascias. If boards are damaged, we will tell you.
Gutter joints
Joints between gutter lengths are the most common leak point. They’re cleaned out, dried and resealed.
DIY sealant or a professional job?
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. All the old material has to come out first.
Also near Charlwood
What else we do in Charlwood
What we cannot put right
To be straight with you, some problems need a different trade:
- Roof leaks, slipped tiles or failed flashing (a roofer’s job)
- Fascias that need replacing
- Downpipes that are blocked or broken
Not sure which it is? You can phone 0345 464 0079 or email us and we will tell you honestly.
Where we work in Charlwood
- Garage door frames
- Roofline trims
- Gutter joints
- Gutter end caps
- uPVC fascias
- Soffit joints
What happens on the day
Our applicators work methodically: protect, prepare, seal, tidy. Typically it takes an hour or two for a few joints, longer for a full run, and the area is left clean. Somewhere like Charlwood needs a little journey planning: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We find where the water is coming from and check the gutter is sound.
- The old sealant and dirt are cleaned out of the joint.
- We dry the joint so the new sealant can bond.
- We seal the joint with a sealant made for gutters.
- We check the run and clear debris near the joints.
Before we arrive
- Let us know if you’ve seen damp or leaks
- Tell us about access, such as stairs, a lift or high-level joints
- Clear items away from the joints we are working on
Getting a quote
We do not publish a price list. Instead, your job gets its own clear quote. To get started, ring 0345 464 0079 or email us.
Read more
Work for landlords, hotels and businesses
Hotels need rooms back in use, so the work can be planned room by room. Hotel work is part of what we do, alongside homes and businesses.
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
