Rendering in Norton
Close enough to open water that the beads, the base detail and the choice of topcoat all change on the seaward wall.
The site visit is free and so is the written itemised quote. Thomas Hannen prices every job himself.
Two kilometres from open water, the render on the seaward side of a house is doing a different job from the render on the sheltered side. Salt keeps a wall damp between showers and eats the metal in it, so the beads, the fixings and the choice of topcoat all change on that elevation.
What people notice first is rarely the middle of the wall. It is a bead line rusting through and staining the coat below it, a corner crumbling where the render meets a cill, a patch that has gone hollow at the base, or a bloom of white salt coming through a finish that was clean last year.
So we look at the edges and the openings before anything else, tap the whole elevation for hollow areas, and work out whether the wall is wet because rain is getting in or because it cannot dry out. Then it goes in writing with every item on its own line. The site visit and the written itemised quote are both free.
The work
Render on a wall that gets the weather
Silicone thin coat. Primer, a polymer basecoat with glass fibre mesh through it, then a through-coloured silicone topcoat scraped to an even texture. It sheds driven rain and stays cleaner than most finishes, which matters on a coastal elevation. Stainless beads and stop ends at every opening, and a bellcast at the base so the water drips clear instead of tracking down.
Monocouche. One thick through-coloured coat scraped back the next day. Hard wearing and quick on a plain wall, but it wants a sound background and a settled spell, and a salty onshore wind during curing is not a settled spell.
Sand and cement, pebbledash and Tyrolean. Scratch and float coats with either a smooth finish, a dry dash thrown on green, or a Tyrolean flicked on. Plenty of the post-war housing here is dashed, and matching a patch is aggregate size and colour, so we hang a sample panel first.
Lime on the older walls. A solid wall built before 1919 has no cavity and dries out through its own face. It needs a breathable coat, so lime in two or three coats, hair gauged in the base. That is doubly true where salt is in the wall, because a salt laden wall that cannot dry pushes the problem inside. Managing moisture in a building is a standard subject, not a guess.
Tapping and hacking off. Blown render has parted from its background. We tap the whole elevation and mark the hollow areas, because their extent decides between cutting out panels and stripping the wall back. On a weather elevation the blown area is usually larger than it looks.
Cracking, delamination and staining. Fine crazing is shrinkage. An open crack is movement or a failed bead and needs cutting out and reinforcing. Rust staining under a bead line, white salt bloom and green algae on the shaded side are three different problems with three different fixes.
Render over external wall insulation. Board fixed to the wall as a render carrier, then mesh, basecoat and topcoat over it. It changes the thermal performance of the house and Approved Document L sets what a renovated wall should reach. On an exposed elevation the detailing at the edges is what makes or breaks it, so that is where the quote gets specific.
How it runs
From your call to a written price
Same team from first visit to last, one person to ring, and no sub-contracting your work out to somebody you have never met. The quote is itemised, not a figure on the back of a card: access and scaffold, protection, preparation of the existing wall, the system and number of coats, beads and stop ends, and making good on separate lines, so you can compare it properly against anyone else's.
Nothing is left open or unusable overnight. The site is swept at the end of each day rather than the end of the job, and what comes out leaves with us. If something turns up once we start that nobody could have seen, you get a photograph and a price before we carry on.
Renewing a render that is already there is repair and needs no application. Rendering a wall that has never been rendered, or changing its colour markedly, is a change of appearance, and the Planning Portal explains where external wall work needs permission. Twelve listed entries sit near here and those need consent before anything is touched. Isle of Wight Council is the authority and we check the address before quoting.
Cost
What decides the price of a rendering job
No rate per square metre, because the square metres are the easy part; what is already on the wall decides the price.
Getting to it. A single storey bungalow with low eaves, a two storey house facing the water and a garden wall on a boundary are three different platforms before anybody opens a bag. A bungalow gable comes off a tower, a three storey elevation wants a scaffold, and the platform has to stand for the whole system rather than a day. The work at height rules are why it is a priced line rather than something folded into a rate.
What is already on the wall. Rendering over sound brick is one job. Hacking off blown sand and cement, or a pebbledash that has parted from the background, is another, and it is the part nobody can see from the road. We tap the whole elevation before quoting, because the hollow areas set the hours.
The system, and what the wall behind it needs. Silicone thin coat over insulation, monocouche through-coloured, or traditional sand and cement all price differently and behave differently. On a solid wall that has to breathe, a plastic-rich modern system traps moisture and moves the problem inside, so the right system is a wall decision rather than a colour decision.
Comparing quotes? Ask which system is being quoted and how many coats, whether the old render is being hacked off or overlaid, whether beads, bellcast and stop ends are included, whether the scaffold is in the price, and what happens to the existing sills and pipework. Two quotes for the same job are usually two different jobs.
If it has started to come away
Render that has blown or cracked open
Ring rather than use the form. A section that sounds hollow when you tap it, or a crack you can get a coin into, is letting water behind the render and the frost does the rest. We make the loose area safe, sheet it if the weather is against us, and price the elevation once we can see how far the blown area actually goes. Salt air makes that worse rather than better, because a wall with the background exposed will hold damp instead of drying between showers and the repair then has to wait for it. The phone is answered 24 hours for emergencies; scheduled work runs Monday to Friday, 8am to 6pm.
Worth knowing
What salt does to a render, and where it starts
Salt does two things to a rendered wall and neither of them starts in the middle of the elevation. First, it is hygroscopic: it pulls moisture out of the air and holds it, so a wall carrying salt never gets properly dry between showers the way an inland wall does. Everything that depends on drying, including the bond between a coat and its background, works less well. Second, it corrodes metal. The galvanised angle bead that would last decades three miles inland rusts, swells and lifts the render off the corner it was meant to protect, and the rust stain runs down the wall underneath it.
That changes what a good quote for this address looks like. Stainless beads rather than galvanised on any exposed elevation, and it is worth asking, because they cost more and they are the first thing left out of a cheap price. A bellcast at the base so the coat stops clear of the ground rather than running into it. Proper stop ends at every opening instead of render taken tight to a frame. And on a solid wall, a breathable finish, because sealing salt and water inside a wall with a plastic rich topcoat moves the damp indoors. The middle of the wall almost never fails first. The edges do.
Who you are dealing with
A local firm you can check
We cover Norton, Norton Green, Yarmouth and across to Freshwater and Colwell, broadly PO41, with Isle of Wight Council for planning and building control. You are dealing with Bournemouth Roofing & Building, the trading name of Bournemouth Roofing & Building Ltd, registered in England and Wales, company number 15471719, which you can look up in a minute. Thomas Hannen's business, and he is the one who comes out to price the job, not a salesman. A verified customer's 10 out of 10 on Checkatrade. The visit and the written quote are both free.
Questions
Norton questions we get asked
Why has the render lifted along the corner of our house?
Almost always the bead inside it. A galvanised angle bead close to the sea corrodes, and rust takes up more room than the metal it came from, so it pushes the render off the corner and stains the wall below. The fix is cutting the corner out, putting a stainless bead in and making good, not filling over the top of it.
There is white powder coming through our render. What is that?
Usually salts moving out of the wall with moisture and being left behind on the surface as it evaporates. It is a symptom rather than a fault in the finish. Brushing it off is fine, but if it keeps returning the wall is staying wet, and that is worth tracing before anybody puts another coat over it.
Is a modern silicone finish a good idea this close to the water?
On a cavity wall, yes, it is one of the better choices because it sheds rain and keeps clean. On a solid wall carrying salt it is the wrong answer, because the wall needs to dry through its face and a plastic rich coat stops it. The wall build decides it, not the postcode.
How long does a coastal elevation take to do properly?
Longer than a sheltered one, because more of the work is at the edges. Beads, stop ends, cills and the base detail all take time that a plain wall does not, and each coat still has to cure before the next. We set the sequence out in the quote so you can see where the days go.
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Get the edges specified, not just the wall
Thomas taps the elevation, checks every bead and opening and itemises the system he would put on it. The visit and the written quote are free.