Hampshire · England
External & façade joints in Steep, Hampshire
External mastic for Steep and the surrounding area: the right sealant, proper preparation and a neat finish. Call for a quick quote.
- Cracked joints where brick meets render or frames
- Hard, crazed mastic that has stopped moving
- Brick movement joints where the sealant has split
Steep: your questions answered
Do you cover Steep for external mastic?
Yes, Steep 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.
Can you help a landlord with a rental near Petersfield station?
Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can ring 0345 464 0079 or send us an email with the details for a clear quote.
Will the new joint stand out?
Exterior sealants are made in a range of colours, from greys and browns to whites and stone shades. We pick the one that suits your wall best.
Will the old sealant be removed?
Yes, every time. New silicone does not stick to old silicone, so any old material comes out before anything new goes in.
Can I add another job to the visit?
Yes. Several rooms, windows or areas can go on one quote.
Is the work guaranteed?
Yes, always. Each job is guaranteed for twelve months.
Can new sealant go over the old?
No. Fresh sealant doesn’t stick to old sealant, and it traps any mould or water underneath. It all has to come out first.
Will it make a mess?
No. The area is protected while we work and cleaned up afterwards.
External mastic for homes and businesses in Steep
Low-level joints can normally be done from the ground. Where joints are higher up, tell us about the building when you get in touch and we will confirm what’s needed to reach them safely. We are often asked to deal with rigid filler in a joint that should flex and plants rooting in failed movement joints, across joints between brick and frames, brickwork movement joints and copings & trims.
External sealant needs dry, clean surfaces, so work around Steep is planned for dry weather. Let us know about access to every wall, plus any garages or outbuildings.
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.
- Where
- Steep (GU32)
- Wider area
- Hampshire
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Page updated
- 26 October 2026

What we do, step by step
There’s no need to move everything out before we come, only the area right around the joints. We protect the rest, and the work takes a few hours to a few days, depending on the length of joint and the access in most cases. In a small place like Steep, 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.
- The faces are brushed clean and primed where the product requires it.
- We fit closed-cell backing rod to control the depth.
- The exterior sealant is applied, tooled and checked along its length.
Preparing for the visit
- Let us know about earlier repairs to the joints
- Clear the area around the work
- Mention any sign-in or site rules at work premises
How to get a quote
Quotes start with a quick conversation. Tell us what’s wrong, where it is and how much there is. Whenever you are ready, ring 0345 464 0079 or drop us an email.
Related advice
Landlord and commercial work in Steep
Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. We’ve worked in hotels as well as homes and businesses.
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. Several properties can be quoted together.
Aftercare tips
How long the joints last depends on use and care. Here’s what we suggest:
- Deal with leaking gutters that soak the joints below
- Keep high-pressure jets off the joints
- Keep soil, plants and ivy away from the joints
- Check external joints each spring
Keep the joints clear of soil, plants and climbing growth. Damp material against the sealant shortens its life.
Water getting behind cladding or render can go unnoticed for a long time. When it finally shows inside, the joint may have been open for years, so it’s worth resealing at the first signs.
External mastic in Steep: local notes
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 Steep Church of England Voluntary Controlled Primary School are buildings too, and its movement joints, gutters and trims need looking after like any other building’s. In the older streets around Church of All Saints, older walls, gutters and the joints where extensions meet them need a flexible sealant.
Steep is about 1 mile north of Petersfield, in Hampshire. We carry out external mastic for homes and businesses in Steep and nearby. Our Hampshire coverage runs to 683 places, Steep among them. There’s also a page for Portsmouth, roughly 16 miles from Steep.
Jobs for external mastic in GU32 works the same way as everywhere else we cover. That includes homes and businesses on Church Road and Mill Lane. If you’re just outside Steep, we cover Steep Marsh (1 mile north), Sheet (1 mile south-east), Oakshott (1 mile north), Petersfield (1 mile south) and Stroud (2 miles south-west). Larger places within reach include Havant (11 miles south), Horndean (9 miles south), Alton (9 miles north), Waterlooville (11 miles south), Purbrook (12 miles south) and Bordon (7 miles north-east).
Near you in Steep
In Steep, that means homes and buildings near The Cricketers Inn, Churcher's College and The Petersfield School and the streets around them. The closest station to Steep is Petersfield station, about 1.4 miles south. Nearby you will also find Bear Museum (1.7 miles south) and Petersfield Community Hospital (1.5 miles south). Green spaces nearby include Liss Riverside Railway Walk South and Wheatham Hill.
Can I do it myself?
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Quotes for external mastic in Steep
We do not publish a price list, because jobs vary so much. What we look at:
- The number of rooms or windows
- Whether there’s mould to deal with
- The product the joint needs
- Working hours on commercial sites
There are no prices on our website, because the cost depends so much on the job itself. For a quick quote, please ring 0345 464 0079 or send us an email.
Helping us quote
What to tell us when you ask for a quote:
- Whether it’s a home or a business
- Where the property is
- Any previous sealing or DIY work
- Access, such as stairs, a lift or height
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and add pictures by email if you can.
Towns and villages near Steep
Also in Steep
Do you need external mastic in Steep?
If plants are growing out of a joint, the sealant has normally failed or was never there. Roots and dirt hold water against the wall and make things worse.
The problems people usually mention when they call are:
- Leaking joints around cladding and façade panels
- Joints pointed up with cement by mistake
- Movement joints with cracked, split or missing sealant
- Old sealant gone brittle and cracked
Rented homes near Petersfield station change hands often, and failed wall and movement joints let damp in, so they’re worth checking between tenancies.
What your quote should include
- Whether you can choose the colour
- Whether the sealant suits the joint
- Is the old sealant removed completely?
- How long to leave it before use
What the job involves on each surface
Render joints
Water behind render can lead to blown patches. Resealing the joints early keeps water out and helps it last.
Copings and trims
Joints in copings, parapets and trims are exposed to the worst of the weather. We reseal them with an exterior sealant suited to the material.
