Rendered exterior walls
K-Rend, Monocouche, acrylic and traditional lime renders, plus pebbledash and roughcast finishes. Safely removes red (Trentepohlia), green and black algae streaks without damaging textures or causing water ingress.
Specialist Softwashing & Surface Treatments
Gentle exterior cleaning & microscopic spore neutralisation.
Delicate materials like modern renders, weathered brickwork, slate and painted timber need a completely different approach to hard concrete and stone.
Under 100 PSIK-Rend & MonocoucheTimberuPVCHSE-registered biocides
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A safe, low-pressure alternative designed for the UK climate.
High-pressure jet washing on soft exterior surfaces can cause severe, irreversible damage — etching render, stripping surface coatings, forcing water behind cavity walls or blowing out mortar.
Instead of relying on brute force, we combine gentle pure-water delivery with HSE-approved chemical treatments that break down organic growth, heavy atmospheric grime and biological staining at the root level.
What we do
Surfaces we softwash
Domestic & commercial roofs
Concrete, clay and slate tiles. Clears moss, lichen and organic spores while preserving tile coatings, structural mortar and delicate underlayment.
Timber decking, cladding & fencing
Hardwood, softwood and composite. Eliminates slick green slime and mildew without gouging soft wood grain or splintering the surface.
Aged brickwork, stonework & masonry
Historic, listed or weathered stone where high pressure would erode mortar joints or cause surface spalling.
uPVC cladding, fascias & soffits
Restores dull, yellowing or algae-stained plastics to a crisp, bright finish without scratching or breaking seals.
Step by step
Our specialist softwashing process
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Surface & biological inspection
We assess the exterior material, the specific organic contamination present (e.g. green algae vs. crustose lichen), surrounding drainage and neighbouring vegetation.
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Pre-wet & plant protection
Lawns, garden beds and sensitive foliage are thoroughly soaked with clean water and shielded to ensure zero harm to your garden.
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Low-pressure softwash application
Using low-pressure spray gear at standard hose pressure (under 100 PSI), we apply specialist, targeted cleaning solutions across the surface.
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Active chemical breakdown
The treatment penetrates deep into porous surfaces, dissolving growth, dirt and pollution film at a microscopic level rather than shearing off the visible top layer.
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Low-pressure pure-water rinse
Once contamination is neutralised, we gently rinse away the broken-down residue with clean water, revealing a bright, clean surface.
Protection & upgrades
Government-registered biocide treatments (HSE approved)
A spotless clean is only the first step — keeping it clean in damp British weather requires true long-term prevention. After every softwash we apply professional-grade, HSE-registered biocides.
Sanitise porous substrates
The biocide soaks deep into render, brick or tile pores to kill microscopic roots and invisible spores that standard washing leaves behind.
Self-cleansing weather action
Over the following weeks and months, rainfall continually activates the biocide, self-cleansing remaining stains and keeping surfaces immaculate.
Long-lasting regrowth prevention
By neutralising biological activity, our softwash and biocide cycle keeps walls, roofs and timber clean up to three to five times longer than traditional pressure washing.
A result that gets brighter over time
Softwashing works in harmony with natural weather cycles. Green algae and surface film disappear almost instantly, while heavily embedded lichens, black spots and deep-seated spores break down gradually — so surfaces may not look 100% flawless on day one. Over the following weeks and months, rainfall keeps activating the treatment, delivering a slow-acting but exceptionally long-lasting result.
Real results
Drag to see the transformation
Every photo is a genuine PWM job. Slide the handle to compare before and after.
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Free, no-obligation quotes
Ready to see your property transformed?
Tell us what needs cleaning and we will recommend the right method for your surfaces. We will contact you as soon as possible.
- Over 25 years of experience across the Northeast
- Fully trained, insured & uniformed team
- HSE-registered biocide protection
Request a free quote
We will contact you as soon as possible.
FAQ
Frequently asked questions
Everything you need to know about our cleaning methods, treatments and quotes.
Cannot see your question? Give us a call or drop us a message, we're always happy to answer your questions.
01How do I get a quote?
Quotes are free and no-obligation. Fill in the quote form, call the office on 0191 468 3062 or the mobile on 07355 268348, and tell us a little about the job. We will recommend the right method for your surfaces and give you a clear price.
02Which areas do you cover?
We work with homeowners and commercial clients across the whole Northeast. If you are not sure whether you are in our area, just ask.
03Are you trained and insured?
Yes. Our team is fully trained, fully insured and fully uniformed, and trained in safe, compliant chemical softwash treatments.
04Will softwashing damage my render, brickwork or roof?
No. Softwashing uses low-pressure spray gear at standard hose pressure (under 100 PSI) with specialist cleaning solutions, so it is safe for render, weathered brick, slate, tiles and painted timber where high pressure would cause damage.
05Why does my wall or roof not look perfect straight after a softwash?
Green algae and surface film disappear almost instantly, but heavily embedded lichen, black spot and deep-seated spores break down gradually. Our HSE-registered biocide keeps working, and rainfall reactivates it over the following weeks and months, so surfaces keep getting cleaner and brighter.
06How long will the results last?
Every roof and softwash service finishes with a government-registered biocide that kills spores at the root and helps prevent regrowth. Our softwash and biocide cycle keeps surfaces clean up to three to five times longer than traditional pressure washing.
07Is it safe for my garden and plants?
Yes. Before any treatment, lawns, beds and sensitive plants are soaked with clean water and shielded, and we finish every job with a full clean-down of paths, walls and windows.
08Do you re-sand block paving after cleaning?
Yes. Once the paving is completely dry, we sweep fresh kiln-dried sand back into the joints to lock the blocks in place and help prevent movement.
09Can you seal or restore my driveway after cleaning?
Yes. We offer protective sealing for block paving, natural stone and concrete, resin repointing for patios, and tarmac restoring and recolouring to bring faded tarmac back to a deep black finish.
10Do you clean gutters inside and out?
Yes. We clear the inside of the gutters and downpipes, then softwash the outside of gutters, fascias, soffits and bargeboards, and finish with a water-flow test.