Totnes (TQ9) render softwash
Totnes, Devon - TQ9
Most enquiries from Totnes start with one elevation that has gone darker than the rest. Nine times out of ten the reason is how long that face stays damp, not how dirty it is.
What Totnes walls are usually finished in
- Modern render, whether sand and cement or a thin-coat system, has a slightly porous face that holds airborne spores.
- Where render sits over insulation, the wall is more sensitive still and the mix is weakened accordingly.
- Painted masonry can be cleaned, though a paint film that has already lost adhesion will lift where it was going to fail anyway.
- Cleaning before repainting is not optional, because paint over live growth fails from underneath.
- Slate-faced walls shed water quickly but the bedding mortar does not.
- Cleaning stone reveals natural colour variation, which some owners expect to be uniform and it never is.
- Cob and lime-finished walls are moisture-sensitive by design.
- Any rinse on cob is minimal and directed downwards, never held on the surface.
Low pressure, longer dwell
- 1.Vents serving a boiler or flue are checked and left uncovered, with the elevation around them worked dry.
- 2.The elevation is walked first and anything loose, open or already failing is noted before a drop of water goes near it.
- 3.Water is drawn from an outside tap where there is one, and carried on the van where there is not.
- 4.Beds and borders at the foot of the wall are soaked with clean water first, so any run-off arrives diluted.
- 5.Chimney stacks are treated from a position that keeps the operator off the roof covering entirely.
- 6.Weep holes above openings are left clear so the wall can drain the way it was designed to.
- 7.Any garden furniture within the spray arc moves before the mix is made up, not while the lance is running.
- 8.Every hose junction is checked before pressure goes on, because a burst at a coupling floods a border.
- 9.The lance is held at a distance and an angle that lets the fan open fully instead of hitting the wall as a jet.
- 10.The mix is made up in small batches as the work moves, rather than one large batch that stands and weakens.
Small things that make the visit smoother
- Tell us if there is a low wall or a step at the base of the elevation that gets slippery.
- Say where the outside tap is, and whether it runs at any pressure.
- Say if the elevation is overlooked by a neighbouring window that should stay shut.
- Note where hoses can be run without crossing a doorway.
- Trim back anything that has grown tight against the wall, or ask us to work around it.
- Say if the property has a flat roof section that we would be working above.
- Say if there is a wasp or bird nest under the eaves, and we will plan around it.
- Flag any recent repair or repaint, because fresh work is treated more gently.
Facts on record for Totnes
- Typical roof covering here is slate and clay tile, which affects what washes down onto the walls.
- Typical wall finish here is painted render, cob and stone, which sets the cleaning method.
- South Brent sits about 4.9 miles from Totnes on our round, so visits are often shared.
- Postcode district: TQ9. County: Devon. Approx 18.7 miles from the PL3 base.
- Nearest full coverage hub: South Brent (TQ10), South Hams District Council.
What is actually growing on the wall
- Airflow through a passage between two houses is fast but the passage itself is in permanent shade.
- A wall shielded by a car port dries slowly because it never sees direct sun or driven rain.
- Rendered plinths take more water than the main face and are usually the first thing to look tired.
- A blocked weep hole means the cavity drains through the face instead of out of the hole.
- Where a wall carries a heavy climbing plant, the fabric behind it is nearly always damper than the rest.
- Render that has lost its water repellency absorbs and holds surface water instead of shedding it.
- A leaking outside tap or an unlagged pipe can be the entire reason one corner of a house looks different from the rest.
- Roof valleys concentrate run-off, so the wall under a valley outlet is loaded more heavily than anywhere else.
- A single missing tile above an elevation can put water onto the same square metre for years.
Assessing a TQ9 elevation
- 01Whether the render is thin-coat or traditional is checked at a bead or a reveal.
- 02The first question is whether the staining sits on the surface or has gone into the material, because only one of those cleans off.
- 03Where a wall meets a roof abutment, the flashing is looked at first.
- 04The elevation is read from the pavement first and from a metre away second.
- 05A test patch at low strength shows what the surface will do before the full elevation commits to it.
- 06A wall that feels chalky under the hand is telling you the coating has aged, not that it is dirty.
- 07How quickly a splash of water darkens the surface says how porous the finish has become.
- 08Photographs taken before work provide the reference for judging the result later.
Within a short run of Totnes
Questions Totnes owners ask
- How soon can the walls be painted afterwards?
- Once fully dry, which in practice means giving it several dry days.
- What about the neighbour's side?
- We only work surfaces you own or have permission for, and we check before spraying near a boundary.
- Do you clean soffits and fascias?
- They are in the same spray path, so they are done as part of the wall visit.
- What happens to the growth after it dies?
- It loses its grip and weathers off over the following weeks, which is why the wall keeps improving.
- What about air bricks and vents?
- Covered for the duration, uncovered before we leave.
- Do you leave a written record of what was done?
- Photographs of before and after the visit, plus anything found in poor condition.
- Can the whole house be done in one go?
- Often, depending on size and access. Larger properties split naturally into two visits.
- Do you need my electricity?
- No. Kit runs off the van.
A single gable counts
Small jobs get the same preparation and the same method as large ones.
To sum up for TQ9
Cleaning reveals condition. Sometimes that means finding a repair, and it is better found than hidden under moss. Anything that keeps a wall wet for longer will bring the growth back sooner, whatever product goes on it. The safest method is the one set by the weakest material on the wall, not the strongest.
Quote for a Totnes property
Monday to Saturday, 8am – 7pm