Hertfordshire · England
External & façade joints in Stotfold Common, Hertfordshire
We cover Stotfold Common for sealing brickwork movement joints, render, cladding and façade joints. Old sealant removed completely, joints prepared properly and a one-year guarantee.
- Sealant pulling away from one side of the joint
- Weathered mastic that no longer stretches
- Joints with sealant missing in places
How it works
Once we are on site, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. After that, the work takes a few hours for a handful of joints, longer for a whole elevation. Somewhere as small as Stotfold Common, access is often the only tricky part. For outside work, also let us know about exposed walls and any outbuildings involved.
- We start by checking each joint, agreeing the ones to redo and how we’ll reach them.
- We cut out the failed sealant and rake out any dirt or growth.
- The joint faces are cleaned and primed where the sealant needs it.
- Backing rod goes in next, setting the depth and keeping the sealant off the back of the joint.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Before we arrive
- Keep pets and children clear of the area while we work
- Mention if the joints have been sealed before
- On commercial sites, let us know about site rules
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, phone 0345 464 0079 or send us an email.
Advice
External mastic in Stotfold Common, done properly
For buildings in Stotfold Common, we reseal external joints of all kinds, from brick movement joints to cladding panels. Every joint gets the same careful preparation: clean joint faces and the right depth. If you are dealing with plants rooting in failed movement joints and joints pointed up with cement by mistake, we can put it right.
In a village or hamlet like Stotfold Common, older cottages and farm buildings often stand in the open, where walls and rooflines take the weather head on. Joints on those walls need a sealant that moves with the building and stays in place.
Our work is backed for twelve months, and the guarantee is the same wherever you are.
- Place
- Stotfold Common (SG5)
- Region
- Hertfordshire
- Cover
- One year on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Different surfaces, different methods
Render joints
The face of render can be soft, so a low-modulus sealant is kinder to the joint edges. Priming is done where the sealant calls for it.
Joints between dissimilar materials
Wherever two materials meet, they move differently. We seal the joint with a flexible exterior sealant so the movement is taken up.
Aftercare tips
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Act on the first splits you see
- Avoid pressure-washing directly into sealant joints
- Never let anyone fill a movement joint with mortar
- Check external joints each spring
Make sure anyone working on the wall later knows where the movement joints are. They must stay as flexible joints, never rendered or pointed over.
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 so early resealing is worth it.
External mastic in Stotfold Common: 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. Historic houses like Hinxworth Place (about 1.8 miles north-east) are a reminder that the area around Stotfold Common has older buildings as well as new. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth.
Rented homes near Arlesey station change hands often, and failed wall and movement joints let damp in, so they’re worth checking between tenancies. For an older house near a landmark such as Church of Saint Guthlac, the joints between older walls, newer extensions and the roofline need a sealant that can move.
Stotfold Common is about 3 miles north of Letchworth, in Hertfordshire. Every kind of property in Stotfold Common is covered for external mastic. The work is guaranteed for a year. 381 places in Hertfordshire are on our list, from the larger towns to small villages. There’s also a page for London, roughly 37 miles from Stotfold Common.
Work in SG5 works the same way as everywhere else we cover. Other places close to Stotfold Common include Astwick (1 mile north), Stotfold (1 mile south), Radwell (2 miles south-east) and Fairfield (2 miles south-west). Within a short drive, we also cover Stevenage (9 miles south), Harpenden (15 miles south), Hitchin (6 miles south), Letchworth (3 miles south), Letchworth Garden City (3 miles south) and Baldock (3 miles south-east).
Landmarks near Stotfold Common
Stotfold Common’s nearest station is Arlesey station, about 1.5 miles west of the centre. Other landmarks nearby include Bygrave House (3.4 miles south-east) and Fairfield Hospital (1.9 miles south). For a walk, there’s Arlesey Old Moat and Glebe Meadows.
When to call us in Stotfold Common
UV, rain and frost all age exterior sealant. Over the years it hardens, cracks on the surface and loses its give, so the joint eventually tears or comes away from one side.
People usually contact us after spotting one of these:
- Leaking joints around cladding and façade panels
- Movement joints filled with mortar instead of sealant
- Weeds or debris growing in open joints
- Brick movement joints where the sealant has split
Managing a site like St Mary's CofE Academy Stotfold? Then movement joints, cladding joints and gutters on larger buildings need the same care as a house’s.
What to look for in a quote
- How much experience the applicator has
- What preparation is included
- What happens if they find a problem under the old sealant
- What product goes in the joint
DIY sealant or a professional job?
If you’ve already had a go yourself, that’s fine. We cut it out and start again.
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.
Places near Stotfold Common
More services for Stotfold Common
Landlord and commercial work in Stotfold Common
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements.
In hotels, rooms out of use cost money, so we plan the work room by room. We’ve worked in hotels as well as homes and businesses.
What affects the quote in Stotfold Common
Call for a quick quote. The main things that affect it are:
- The number and length of the joints
- The product the joint needs
- Whether there’s mould to deal with
- How many rooms, windows or areas are involved
Instead of a standard rate, we price the job in front of us: how many joints, what’s in them now and how we reach them. You’ll know the price before we begin.
What to tell us for a quote
To make quoting easier, let us know:
- Photos by email, if that’s easy
- What’s wrong with the joints now
- How we’d reach the joints
- Where the job is, and your postcode
For external mastic in Stotfold Common, call 0345 464 0079 or send us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.
Stotfold Common questions
Do you cover Stotfold Common for external mastic?
Yes, Stotfold Common is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or send us an email with a few details of the job.
Do you work for landlords with property near Arlesey station?
Yes, rental work is part of what we do. You can ring 0345 464 0079 or email us with the address and a few details, and we will give you a fixed price before any work starts.
Do you do commercial work?
Yes. We have worked for hotels, offices and other businesses, and we are fully insured.
Can you match the colour of my brickwork?
The aim is a neat, even joint in a colour that suits the wall. We’ll talk through colour options before we start.
Do you remove the old sealant?
Yes. We cut out all the old sealant and clean the joint.
What information do you need?
Tell us what needs doing and where, plus pictures if you have them. We’ll ask anything else we need to know.
Do you work at height?
It depends on the building. Where joints can be reached safely, we will do them. Tell us about the building and we will confirm what access is needed.
Are you fully insured?
Yes. Mr Mastic is fully insured, with over 20 years’ experience in sealant work.