A Nanaimo house in mid-November rain, pale horizontal siding, exterior windows covered in rain spots, one sash with a mesh screen, a wood sill with green moss and cedar scales, a wet skylight on a dark shingle roof with moss along the curb, Douglas fir and western red cedar, a wet concrete walk, flat grey Island light, no people or logos
Window Washing

Windows Before Holiday Guests in a Wet Nanaimo November: Rain Spots, Sills, and Skylight Glass

Moss Bros TeamNovember 11, 2026

Wednesday, November 11, and the lamp in the living room is already on. Remembrance Day is quiet on the street. The glass is not. Rain from the last system has dried in spots on the pane, the sill holds a green line and a mat of cedar scales, and the skylight over the hall reads as a grey square instead of sky.

Holiday guests start using these rooms this week. They sit where the lamp is and notice a skylight that no longer lets the short day in. Steady rain wets the film, leaves roof grit in the drip, and dries a new ring when the shower stops. Nanaimo receives over 1,100mm of rain a year, and a shaded wall does not dry between mid-November systems.

This post stays on the glass guests look through: rain spots on the pane, the screen in front of it, the sill under it, and skylight glass. The mesh on its own is the screen guide. The walk and the door are the front entry guide. Moss packed in a skylight curb is the valley and skylight guide. A white mineral ring that will not lift is the hard water guide. Cleaning is not a new seal, a new pane, or a dry roof.


Why the glass reads worse once mid-November evenings go dark

After the clocks changed on Sunday, November 1, a south wall is in shade by mid-afternoon, and a north elevation under western red cedar may not see the sun at all. A pane can look fine from the sidewalk at noon and milky once the lamps are on. Guests sit with the yard black, so every dried spot and every screen grid shows.

The rooms guests actually use

North Nanaimo and Lantzville often have Douglas fir or western red cedar over the wall, so the upper sash takes needle dust all month. Parksville and Qualicum Beach add Oceanside damp and a salt film on the water side. Ladysmith and homes in Cedar see the same grey glass. The living-room wall, the glass beside the front door, the kitchen window, and a skylight over a hall or a stair are the ones company meets. A spare room can wait. A guest room cannot. Early holiday visits start this same week.


Rain spots, the screen, and the sill

The pane holds the spots, the screen prints a grid over them, and the sill keeps the next shower dirty. Wiping the glass alone leaves the other two in place.

What a dried shower leaves on the glass

Island rain has run through Douglas fir needles, cedar scales, and whatever the gutter is holding before it dries as a ring on the glass. A band only under a spilling gutter means the trough is feeding that sash. Gutter cleaning with a full downspout flush belongs with those windows.

A spot that smears and lifts with a wet finger is film: roof grit, cedar tannin, pollen that rained on and dried. A spot that stays rough and white may be mineral. That is the hard water guide. Do not grind either kind with a dry pad.

The mesh, then the ledge

Slide one screen aside and look at the same tree. If the view jumps and the glass is still spotted, both layers need the visit. If the glass is clear and only the mesh is grey, follow the screen guide. A screen left in during an outside wash prints dirt back onto the pane. Salt on a Departure Bay or Oceanside wall hazes the weave as well as the glass.

Cedar scales and fir dust grow a green line on a sill that never quite dries, and the next shower floats that line onto the lower pane. A filmed sill can be detailed with the glass. A sill that gives under a light press is a carpenter. Look once with the lamps on. Frost on the pane at dawn stays put.


Skylight glass on a short day

A skylight has only the sky behind it, and in mid-November that sky is grey for most of the hours anyone is home. Film on that pane takes the little light the hall was getting. Guests notice it on the stair.

Stand under it in daylight. Rain spots and a dull coat are on the glass. A white cloud between two panes is a failed seal, and no wash reaches the inside of a sealed unit. A brown stain on the ceiling, or a drip when it is not raining on the glass, is water past the flashing. Leave the ladder down. That is a glazier or a roofer.

The curb is a different job

Needles blow into the curb that lifts the glass, and moss creeps up the side. The valley and skylight guide covers that pocket and the flashing. On a sound roof, moss removal and roof cleaning come before the pane, or the next rain paints the glass again. The site FAQ says most Nanaimo roofs stay moss-free for 3-5 years with soft wash and ridge zinc strips. That claim is about the shingles, not this skylight. A cracked pane or a leak goes to a roofer. Stay off a wet slope.


Glass, mesh, wood, and a skylight are not the same wash

A close jet that suits a concrete walk drives water into a track, bows a screen, and opens a soft sill.

What you see from the room What it usually means Sensible next step
Rain spots on sound glass Film from roof grit and a shower that dried Window washing, outside and inside, after work above the pane
A grey screen, clearer glass with the mesh aside Dust and algae in the weave Screen off, cleaned, and back only when it will not print dirt
Green film on a sound sill Algae on a ledge that stays wet Detail the sill with the glass. Keep a jet out of the track
A dull skylight, no drip indoors Film on a pane that can be reached safely Include that glass. Stay off a wet or mossy slope
Rough white rings a wash does not lift Mineral, often from a sprinkler Say so on the quote. A squeegee pass will not etch them off
A cloud in the glass, a soft sill, or a ceiling stain A repair, with film on top of it A glazier, a carpenter, or a roofer before a wash will hold

Pressure washing belongs on sound concrete, not on glass, mesh, or a wood sill. Soft washing puts an eco-friendly biodegradable solution on algae at low pressure, including a sill that can take it, and leaves time for the solution to work. It does not replace a squeegee on the pane. House washing on the wall around the window finishes before the glass is the clean surface.


What a careful clean looks like

Mid-November still has mild gaps between systems. Rain mid-visit rinses a wall treatment before it has worked, and it spots glass finished an hour too early. Book the gap. Leave any dawn ice alone.

  1. The water path first. If a gutter dumps onto the sash, flush that downspout and aim the extension away before the pane is finished.
  2. Roof growth next, when it sheds onto the glass or into the skylight curb. On a sound roof, moss removal comes before the pane. Cracked tabs or a ceiling stain go to a roofer. Stay off the slope.
  3. Siding around the opening, where a green film would rinse onto the glass. Name a bed, a pond, or a rain barrel under the wall before that rinse.
  4. Screens off. Clean the mesh and keep it off until the glass and the sill are done. A torn screen is not repaired by a rinse.
  5. Sills, frames, and glass last. Outside first, then inside. Inside never meets the next shower, so it still looks clear when guests arrive in the rain. Outside will speckle again.

Upper storeys are a ladder or a water-fed pole on wet ground. Leave that to the crew. If this week is solid rain, book the next opening for the outside.


What a wash will not fix

Clear glass is easier to sit beside on a short day. It is not a repaired window. A cloud between panes, a sash that will not lock, a soft sill, a cracked skylight, or a ceiling stain is contractor work. A crew can wash sound glass, detail a sound sill, and clean a screen. They cannot reseal a failed unit, rebuild rotten wood, or dry a roof that is already leaking. Say so if you can see water inside, and skip the heavy rinse on that opening.

A wash removes film, screen dust, and the loose mat on the sill. Fir and cedar keep dropping, and new speckles on the outside are normal. Inside holds. A cleared skylight films again if the curb stays packed. November is a reset before the guests arrive. If a clear night ices the glass, leave it.


Questions from the living room

Will November rain wash the spots off? Rain wets the film and delivers the next coat of grit from the eave. A pane that looked fine in October can read spotted once the lamp is on.

The windows were done in September. Why look again? September had longer dry afternoons. November has added shade, needle dust on the sills, and guests in these rooms. Milky street glass, with the screen aside, needs the outside as well as the inside.

Can a close jet replace a window wash? On sound concrete, pressure lifts dirt after the growth has been treated. On glass it drives water into the frame. Screens and wood sills take a gentle clean.

Does a clear skylight stay bright? A wash removes film you can see from the hall. A short grey day can still leave the stair dull. A drip on the ceiling is a repair.


Book the glass before the guests sit down

After the next shower, walk the rooms company will use with the lamps on. Spots against a dark yard, a screen that dims the view, a green sill, or a grey skylight is the November problem on the glass. Book those panes while a mild gap still exists. A failed seal, a soft sill, or a ceiling stain goes to a contractor first. Cleaning is not that repair.

On the quote form you can choose Window Washing, Pressure Washing, Roof Cleaning & Moss Removal, Gutter Cleaning, House Washing / Soft Washing, Commercial Services, Multiple Services, or Not Sure — Just Need a Quote. Ground-level photos of the panes with the lamps on, the same glass with the screen slid aside, the sills, any gutter band on the upper windows, and the skylight from the hall help us size the job before we arrive. Note whether you want inside as well as outside, and whether a plant bed, a pond, or a rain barrel sits under the wall. Say if a spot feels rough, or if you can see a cloud between the panes. We serve Nanaimo, Parksville, Lantzville, Ladysmith, Cedar, Qualicum Beach and surrounding central Vancouver Island communities, fully insured, with eco-friendly biodegradable soft-wash solutions where the growth on siding or a sill needs treatment before a rinse. House jobs start from residential services.

Get a Free Quote

Related Service

Window Washing in Nanaimo

Streak-free residential and commercial window washing throughout Nanaimo.

Learn More

Moss Bros. Exterior Cleaning

Ready to Book a Clean in Nanaimo?

Free quotes, fast response. Serving Nanaimo, Parksville, Ladysmith & central Vancouver Island.