Hot answers tagged

3

This was already answered hours ago by another one of our more experienced users, when you asked this under a different username: Is this mold? Black? White? Honestly, it appears to be simple iron staining. Appears black on wood, white on zinc coatings. Simple reaction of carbons in the metal and tannins in the wood. Although it is activated by moisture, ...


1

Well, there is a whole university of thought on how to best keep fence posts from rotting. There are also quite a few good answers on this site - try searching "fence post rot". Some of them are linked below: Why did a gate post rot after just 6 years? Using PT (Pressure-Treated) posts Setting in dirt vs. gravel vs. concrete In general, water is not ...


1

So your posts are in direct contact with the ground? Not pressure treated? Maybe redwood or cedar? You might just wait until its warm enough to deal with. Best bet may be to pressure wash and strip the deck then sand and reseal or stain or whatever your preferred covering is. If you can keep the deck dry and warm for a sealing project now, you could do it ...


1

Yes, the wood (first picture) is iron-stained as NPM says, although the chemists say that simple mechanical action (rubbing) is what caused it. The 2nd picture to me shows corroded galvanized steel (steel elecotplated with zinc). The outer white circles are white rust (corroded zinc), while the inner disks are exposed (and possibly slightly corroded) steel. ...


1

Looks more like algae - wet location, sunshine, photosynthesis, chlorophyll.


1

Depending on where you live and the rights as a renter, this seems like something that should be taken up with the building owner. You can certainly attempt mitigation, but from personal and anecdotal experience, mold growth that shows up in living areas, is usually a sign of much worse mold behind those visible surfaces. Often times this would require mold ...


1

You are probably getting this because of condensation buildup on the windows plus the wood to feed on at the bottom. Probably no way to totally stop the condensation but simply opening the windows once a week or wiping off the window area with a towel would probably help. Also turn on exhaust fans when taking warm showers or cooking a lot. To clean just ...


1

The wood may give the impression of feeling firm but could very well be beyond recovery. You should try probing the wood with a narrow pointed tool such a flat blade screwdriver. If you can push the tool into the wood any amount then it is a pretty good indication that this needs replacement. Replacement of the outside window trim can involve a lot of ...


Only top voted, non community-wiki answers of a minimum length are eligible