Old post but thought I'd update. We have finally moved into our forever home and on occasions, obviously in winter, we still have crying window (sob). We have the wet windows on the south side of the home which is the shady side so not unexpected but also on the north side where we still get lovely warm winter sunlight streaming in and I still do have all my windows slightly cracked open and it does help. Incidentally I have glass bricks in our bathroom on the south side and there is no condensation on this window at all. Our home has insulation in both the exterior and interior walls and we have double insulation in our roof, so factor 7 unlike the usual factor 3.5 not that it probably has any bearing on the moisture issue. We have a 1.8mtr wide veranda surrounding the entire home so the windows are some what protected from the elements but when the temperature gets fairly low and can be almost zero in winter, it seems impossible to prevent this crying window sindrome but I can live with the fact it is fairly easy and quick to remove with a Karcher window vac now, brilliant little machine at $99 and it only takes a few minutes. We have an exhaust fan in both bathrooms that is vented outside so the moist air does not go into the roof space and in fact even my rangehood ducting is vented outside too!! We even had condensation in the roof cavity as well to the point of having a rainforest up there but since fitting another whirlie into the roof making it three in total now, it appears to have almost entirely eradicated that problem. I can say catagorically now that crying windows are a very difficult problem to eradicate in very cold climates where obviously the inside of the home being heated at night is going to create the perfect conditions for the condensation to settle with the inside being far wamer than the outside and there in lies the problem which canot be changed. I have blinds and curtains that I close ever day before dark but it makes no difference. As I have aluminium windows and doors throughout, so no timber anywhere, it isn't such an issue for damage but annoying none the less but life goes on and I do so love my beautiful new home!!

Hi Fiona. Those boards were replaced after initial build (after installing new wider slider), so that’s why they were lighter. It was weathered and needing a clean and recoil there. I took cutek’s (expensive)advice and started with quik clean (loosens dirt which was evidently incorporated into my layers of oil), then followed with pro clean (timber brightener). I scrubbed my butt off and was still not happy with the result. It just didn’t evenly clean it up, and I used fairly concentrated doses, and got down on my knees to scrub, not just a brush on a long stick. I oiled with cutek extreme (instead of cd50). Some more pics, after scrubbing then after oiling (still dark). I did redo my handrail in johnstones deck oil, and it appears to be lasting well, no peeling... but I’m still a bit cautious about risking my deck with this finish (water based over oil). I think I’d prefer dirty weather deck than a peeling finish. Next house I’m only having timber deck if it’s entirely undercover!! Do you have a similar dilemma?

HI All....read everything and to me it would appear the main cause is your slab, albeit issues around the slab. A trench is a start, with extra drainage (black round pipe with heaps of holes in it, and loads of scoria). My opinion is that the actual ground is damp and unfortunately concrete is porous, so as long as there's heaps of water around that cannot drain away, the concrete will slurp it up. (I'm no drainage expert) As far as your gib goes, I don't think you have any option but to replace it (then insulate wall by wall as you go.) Here in NZ, I previously worked for a company that did leaky building repairs, and honestly, that black mould is a very real danger to the family's health, so it's got to go. Like others have said, you may get rid of it visually for a period of time, but once you rip the gib off, you may come across other issues. I'd also invest in a dehumdifier and keep that cranked to start getting moisture out of the air, or other options as others have mentioned. Sorry Cathy, ain't no easy fix there..................... Is it possible to have a look into council records to see what the land back in the day was actually used for? That may give you an insight into what the problem could be.

our kitchen dining area was tiled, and its all cracking, but the bathroom is fine. i think it's just that the bathroom is smaller and the posts pretty much run around the wall so it all moves together, the kitchen/dining is just too big an area and the posts run right along the crack, so of course is really cracked and needs to be pulled off. lovely tile, but wrong choice for this house. i plan to use lino for the floor in the kitchen and bathroom, it would have originally been lino. our neighbour has a concrete slab under their house and i'd been puzzling how they stopped it cracking till they showed me they layed it in sections like massive pavers. this sort of soil is like big sponge, so i prefer to keep it moist and use plants that soak up any excess moisture. i've got water loving subtropicals, gingers and cannas and half the lawn is mint. look, don't panic, get to understand what this means and factor it in to any further choices.