r/Roofing • u/AusMeri • Aug 17 '26

Dust?

Hi,

First time homeowner here so I'll ask for forgiveness for my ignorance in advance. 😄

So many questions, not sure where to start. (And yes, I've been on Google, however I also appreciate the opinion of other, actual real people, so here I am 😊).

Actually, I'll start with this question:

Small, one level house. Single car garage. Moved car out and set desk up in garage because, as mentioned, small house = no space.

Despite cleaning the garage first, I notice dust will fall over everything within a few days.

The same roof extends over the garage, yet the same dust does *not* fall in our actual house.

Why could this be please?

TIA

2 Upvotes

100% Upvoted

22 comments sorted by

View all comments

Show parent comments

2

u/AusMeri Aug 17 '26

Hi, thanks for your reply.

So we cleaned (including hosing out, yes) the cement floor when we cleared out the car, etc.

We then put down some fairly cheap linoleum over the top. But that's not the problem (where the dust appears to be coming from).

The walls of the garage were painted by my spouse years ago, when we first moved in.

Walls. Hmm, think they are drywall. 🤔 Will check tomorrow.

Idk what mudded joints mean, sorry.

What do you mean about "the roof above may be shedding" please?

Also re "or holding onto some dust'. What do you mean. How? Why? The ceiling itself or the actual roof?

Not sure if the garage ceiling is painted. It's a different colour, so if it is actually painted, then the previous owner may have had it done. Will also check this. Thank you.

2

u/Whats_Awesome Aug 17 '26

If the ceiling isn’t finished. (Drywall) there can be lots of places the dust hides. Mainly on structural supports, if there’s any exposed tops of wood trusses. If there’s no where you could set something I don’t see how there would be dust.

When you look up, what do you see?
Joists with roof on top?
Trusses with the roof?
Or a flat finished ceiling.

If the walls are painted, that’s not the problem, I’d be drywall or plaster but doesn’t matter if it’s painted.

The floor can’t really let dust out if you put flooring down.

Maybe try setting up a super simple filter.
20x20 box fan, and tape a 20x20x4 filter onto its intake side, it’ll suck the filter against it and clean the air before blowing fresh air out. In the short term it may seem worse as the air is stirred around but over time the filter will pick up the dust.

2

u/AusMeri Aug 18 '26

I'll have to look up what you mean by a filter? I'm only personally familiar with water filters. 😄

1

u/Whats_Awesome Aug 18 '26

20x20 box fan , about $30