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Roof cleaning and moss removal in Langley

A soft-wash roof clean on a typical Langley house is $550 before GST, and most roofs fall between $550 and $750. Heavy moss that has to be brushed off by hand first is typically $650. We never put a pressure washer on shingles.

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Splash N Shine technician harnessed on a residential asphalt shingle roof during a soft-wash roof cleaning in the Lower Mainland, Roof Cleaning in Langley, BC

Roof cleaning prices in Langley

Soft-wash roof clean, typical house$550
Hand-detail clean (heavy moss brushed off first)$650
Most single-family roofs$550–$750
Large, steep or cedar roofs$950+

Before GST. From 671 real Splash N Shine estimates, Aug 2025 – Nov 2026.

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Where Langley roofs grow the most moss

Brookswood and Fernridge sit under tall Douglas fir and cedar on big lots. Those roofs get little sun, stay wet from October to April and drop needles into every valley, so moss builds fastest there.

Walnut Grove was mostly built in the late 1980s and 1990s. Many of its asphalt roofs are now 25 years or older, and older shingles hold moss in the gaps between rows. North-facing slopes under mature street trees go green first.

Willoughby's newer homes have younger roofs, but many sit close together. The shaded side of a tight lot often shows black algae streaks within a few years, long before the rest of the roof needs work.

How we clean a Langley roof

Loose moss is brushed off by hand, then a low-pressure soft-wash solution is applied to kill what is left at the root. Gutters are cleared of the runoff at the end. On older Walnut Grove and Murrayville roofs this matters most: high pressure strips the granules that protect a shingle near the end of its life.

Fort Langley's older and heritage homes can have cedar or wood details close to the roofline. We check every roof's material and pitch before quoting, and the price is fixed before work starts.

Roof cleaning photos from our jobs

Real Splash N Shine work from around the Lower Mainland. See the full before & after gallery

Before and after roof cleaning: shingles blackened by algae, then the same roof during soft-wash treatment
Black algae covered this roof for years. Soft-wash treatment in progress on the right.
Splash N Shine technician working on a residential asphalt shingle roof under a clear blue sky in the Lower Mainland
Harnessed, roped and on the roof. No shortcuts taken with access or safety.
Splash N Shine technician brushing moss and debris off asphalt shingles by hand with a soft brush
Growth is brushed off the courses by hand first. Scraping it wet takes the granules with it.
Close-up of a technician clearing established moss from between shingle courses on a residential roof
Moss establishes in the seams between courses. That's where it lifts the shingle edge.

Our roof cleaning process in Langley

  1. 1

    Inspection

    We check the roof material, pitch and how much moss and algae there is, then protect the plants below.

  2. 2

    Moss removal

    Thick moss is brushed off by hand. Loose debris is cleared without scraping the shingles.

  3. 3

    Soft-wash treatment

    A biodegradable cleaning solution goes on at low pressure to kill moss, algae and lichen.

  4. 4

    Rinse & tidy

    We rinse gently, clear the runoff and moss out of your gutters, and clean up the site.

Roof Cleaning in Langley: FAQs

How much does roof moss removal cost in Langley?

A soft-wash roof clean on a typical Langley house is $550 before GST. Most roofs cost $550 to $750, and a hand-detail clean for heavy moss is typically $650. These numbers come from 671 real Splash N Shine estimates written between August 2025 and November 2026.

When is the best time to clean moss off a roof in Langley?

Late summer to early fall is ideal, before the wet season starts and while moss is easy to remove. Treating in spring also works. We clean roofs year-round when the roof is safe to walk.

Do you clean roofs in Brookswood and on Township acreages?

Yes. We cover the City of Langley and all of the Township, including Brookswood, Fernridge, Walnut Grove, Willoughby, Murrayville, Fort Langley and Aldergrove.

Should I clean my roof before winter?

Yes, fall is a good time. Moss that is treated before the winter rain stops holding water against your shingles through the wettest months of the year. We can clear the gutters at the same visit. A typical roof is $550 before GST. The treatment needs a few dry hours, so we book around the forecast.

What is soft wash roof cleaning?

Soft washing sprays a biodegradable cleaning solution onto the roof at low pressure. The solution kills moss, algae and lichen at the root, then the roof is rinsed gently. Nothing is blasted off, so the shingles keep their protective granules. For a typical home it costs $550 before GST.

Can you pressure wash a roof?

We never pressure wash shingles. High pressure strips the granules that protect asphalt shingles from the sun and can force water under the edges. Soft washing removes the moss and algae without that damage.

How long does moss stay away after roof cleaning?

Because the treatment kills moss and algae at the root, it comes back much more slowly than moss that is only scraped off. How long depends on shade and trees: roofs under heavy tree cover or on the shaded north side come back sooner.

Will the cleaning solution harm my plants?

We protect the plants and garden beds under your roofline before any treatment goes on, and we use biodegradable solutions.

Do you clean tile, cedar and metal roofs?

Yes. Soft washing is used on asphalt, cedar, tile and metal roofs, with the mix and pressure matched to the material. Cedar roofs often cost more than the $550 standard because of the extra care they need, so tell us the roof type when you ask for a quote.

Our 100% satisfaction guarantee

If you're not completely happy with your Langley roof cleaning, we'll come back and make it right at no extra cost.

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