Kent · England
External Mastic in Snowdown
Sealing brickwork movement joints, render, cladding and façade joints for householders, landlords and businesses in Snowdown. Fully insured, ARBOMaster approved and guaranteed for a year.
- Plants rooting in failed movement joints
- Joints with sealant missing in places
- Joints where the bead has come unstuck
External mastic for homes and businesses in Snowdown
Joints in render and cladding are easy to overlook until a damp patch appears. 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 joints between brick and frames, façade panels and concrete & block, and people most often call us about failed seals between different materials and leaking joints around cladding and façade panels.
In a village or hamlet like Snowdown, older cottages and farm buildings often stand in the open, so walls and rooflines take the full force of wind and rain. Joints on those walls need a sealant that moves with the building and stays in place.
We stand behind the work with a one-year guarantee, so you’re not left on your own once the job is done.
- Where
- Snowdown (CT15)
- Region
- Kent
- Cover
- One year on every job
- Price
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
For landlords and businesses
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. We can quote for more than one property at once.
We work for landlords and agents as well as householders. Resealing between tenancies is a simple way to keep a property in good order.
What affects the quote in Snowdown
You will get a clear quote before work begins. It’s based on:
- The number and length of the joints
- How easy the joints are to reach
- Mould in or behind the old joints
- The old material and how stubborn it is
A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. Your quote takes all of that into account.
Asking for a quote
To help us quote quickly, let us know:
- A few pictures by email, if you can
- Any access issues, like height or stairs
- The rough size of the job
- Whether it’s a home or a business
To get a quote, phone 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You’ll have a clear quote before any work starts.
DIY sealant or a professional job?
Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
If you’ve already had a go yourself, that’s fine. We cut it out and start again.
Towns and villages near Snowdown
Other services in Snowdown
Leave it or put it right?
Running new sealant over the old bead rarely lasts. New sealant does not bond well to old, weathered sealant, so the old joint is cut out fully first. In a small place like Snowdown, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
What you pay reflects the work, not a rough estimate. That is why we ask about the job first and send you a clear quote before any work starts.
Why book with us
- Sanitary silicone with an anti-fungal additive in wet areas
- Trusted Arbo and Everbuild sealants
- Colour agreed with you before work begins
- A 12-month guarantee on all work
Surface by surface
Concrete and blockwork
Concrete faces can be dusty and porous, so cleaning and priming matter. We prime where the sealant needs it before the bead.
Cladding and façade panels
Cladding and façade panels are usually separated by sealed joints. Each joint gets a sealant that suits the panel and its movement.
Keeping the joints in good condition
No joint lasts for ever, but care makes a real difference. Our tips:
- Check external joints each spring
- Clear growth from the base of walls and joints
- Never let anyone fill a movement joint with mortar
- Ask before painting over external sealant
Don’t paint over the new sealant unless we’ve said the product is paintable. Many exterior sealants are not designed to be painted and spoil the finish.
Leave a failed movement joint and water keeps getting into the wall. That can lead to damp patches, staining and frost damage.
What we do, step by step
All our tools and materials come with us in the van. Once we have agreed what’s being done, we protect the area and start. Most jobs take a few hours for a handful of joints, longer for a whole elevation. In a small place like Snowdown, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We start by walking round the building and agreeing the joints and the access.
- 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.
How to prepare
- Tell us if parking is tricky
- Keep children and pets away from the work area
- Mention if the joints have been sealed before
How to get a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we will explain how we’d tackle it. Whenever you’re ready, ring 0345 464 0079 or send us an email.
Advice
External mastic in Snowdown: local notes
With historic houses such as Goodnestone Park (about 2 miles north) nearby, there’s older building stock in the area around Snowdown as well as newer homes. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material. London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Managing a site like St Joseph's Catholic Primary School? Then movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. Rented homes near Snowdown station change hands often, and split movement joints are easy to miss on a rental until damp shows inside. For an older house near a landmark such as St Peter, an extension built onto an older house moves differently, and the joint between them takes the strain.
Snowdown is about 7 miles north-west of Dover, in Kent. If you need external mastic in Snowdown, it’s easy to get a quote: please call 0345 464 0079 or drop us an email. We cover Kent from our Crawley base, Snowdown included. Snowdown is one of 922 places in Kent we cover for external mastic. Our Chelmsford page covers work nearby, about 48 miles away.
We work across the CT15 postcode area for external mastic and the streets around it. Whether your property is on The Crescent, South Avenue and Weston Mews or anywhere close by, we can help. If you’re just outside Snowdown, we cover Nonington (1 mile north-east), Woolage Village (1 mile south-west), Frogham (1 mile south-east), Ratling (1 mile north) and Barfrestone (2 miles south-east). Larger places within reach include Canterbury (7 miles north-west), Margate (14 miles north-east), Dover (7 miles south-east), Folkestone (9 miles south), Ramsgate (12 miles north-east) and Broadstairs (14 miles north-east).
Landmarks near Snowdown
There’s a railway station in Snowdown itself: Snowdown station.
Snowdown questions
I let a flat near Snowdown station. Can you help?
Yes, rental work is part of what we do. Just call 0345 464 0079 or send us an email and tell us about the property, and we’ll send you a clear quote.
Is Snowdown 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.
Should I try DIY first?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. Most DIY failures come from sealing over old material, wet joints or too much sealant.
Is there a guarantee?
Yes: twelve months. If there’s a problem with our work in that time, tell us and we will put it right.
Can you quote for more than one area?
Yes, and it often makes sense. Doing several areas at once is normally more efficient, so mention them when you ask for a quote.
What does external mastic cost?
It depends on the job, so we quote each one individually. For a quick quote, phone 0345 464 0079 or drop us an email with a short description of the job.
Are you ARBOMaster approved?
Yes. We’re approved under the ARBOMaster scheme, the approved applicator scheme for Arbo sealants.
Does someone need to be in?
It depends on the job. Inside work needs someone to give us access.