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More of theses spots this morning. It was colder last night but again only on our front patio, not the back (which gets a lot more direct sunlight). Could it just be the end of the curing of the mortor as its only been down about 4 weeks? Its random slabs but more of them today and no real pattern.

Possibly. I've just been out and noticed it's kind of drying but leaving a white mark. Could be efflorescence (from my googling!)?

So we had a patio laid about a month ago and it's looking really nice. Twice this week I've spotted on two or three slabs (of a total of 35-40sqm) these little marks. Pretty much the same patern on both days. They go as the day progresses and only visible when that part of the patio is in the...

Thanks @23vc , that was what I thought. We have had some rain today and it's not got any bigger so presumably just a crack I've only just spotted today.

Hi, Just spotted this in my daughters bedroom. From a distance you cannot see it, but up close you can. Both walls are external and up close the color of the paint appears the same. The temp (to touch) doesn't change between the crack and other part of the wall, and it's dry, not wet to touch...

Garage roof replaced 3 years ago and just wondering about this. I don't think it's changed in shape or size but any thoughts on if it's mold, a leak or staining? The pitch of the roof would run from the bottom of the picture to the top. We had a leak there before we replaced the roof and they...

That's interesting, thank you. So probably what I'm seeing in the parts treated is them leaving hence the new frass. Hopefully they are leaving the garage and I'll treat all the 4 beams over winter.

I'm presuming it's single skined, built in the 70s I think. The gutter does drip a little on the outside which I should be able to fix, just where two parts join together. Inside the roof looks fine and only replaced 3 years ago. There was a leak, hence the roof change, so perhaps they got in...

Thanks. I've got some sheets and cardboard under where I think it's happening and will keep an eye and probably give them a good covering in the winter months ahead of next Spring when I think they become more active again.

Hi, I've a garage that's in a block separate to the house. It's a flat roof and I've noticed woodworm in one of the beams. Upon looking, it appears to be in at least one other beam (2 affected, 2 not affected) and has likely been there a while (some of the beams look reinforced with other bits...

Thanks, yes, its not the best picture, sorry. And yes, I think so. The loft space is dry and felt all looks dry.

Hi, I noticed this gap between two ridge tiles. Thing is I've no idea how long it's been like that for. There is no water coming in the loft yet. The undersarking looks to be fairly sound in that part of the roof. Question: we've stong winds forecast (45mphs) and rain over the next 4 days. Are...

Hi, I noticed this gap between two ridge tiles. Thing is I've no idea how long it's been like that for. There is no water coming in the loft yet. The undersarking looks to be fairly sound in that part of the roof. Question: we've stong winds forecast (45mphs) and rain over the next 4 days. Are...

I'm no expert but I've seen so many places recommending these and so few posts anout issues etc. I can only presume they are ok. Plus with lots of reputable places selling them. I've added 5 to my loft and as the slip between the felt, which didn't need prized open, I can't see the damage they...

Sorry, realise there is a forum for lofts but can't see how to delete this.

Hi, We moved into our property three years ago and over the last few winters noticed some condensation. There is only about 5 boxes in the loft and it's a 3 bed semi-dethatched. I think it's the old bitumen roof felt and built around 1980's. Inside humidity is usually mid 50's usually, and no...

Hi, We moved into our property three years ago and over the last few winters noticed some condensation. There is only about 5 boxes in the loft and it's a 3 bed semi-dethatched. I think it's the old bitumen roof felt and built around 1980's. Inside humidity is usually mid 50's usually, and no...

I was back up in the loft today and it seemed a bit better. I had not made any changes. One idea which might give me two clues. We have a downlight in the bathroom and a fan that's vented using flexi-duct to a cowl vent on the gable. That's the only two 'holes' in the roof apart from the loft...

Thanks all, we've decreased our inside living humidity to around 47% at the moment, so hopefully, that might help. It has been as high as early 60's. We had condensation on windows etc. in the mornings but that has cleared up since leaving them slightly open, there are no trickle vents. It's...

I'm not sure there is easy access to a drain. I'm also not the most confident in the loft. There is no water coming back in via the fan and no damp patches on the ceiling near it so I think it's ok at the moment. I've been in the loft while it's working and cannot see any steam rising from it...