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ok :) I'll wipe off now :vomito: My curiosity is satisfied search 'powdery' in this article ,.... It's turns out it is salt(calcium carbonate) leeched from the cement based....base coat. https://www.parex.co.uk/GetFile.ashx?file_id=990 Right, so now I can make my homemade chips (y)

I can rub it off, I wanted to show you guys first, It's like a salty substance, it will brush off, I was just shocked that render was able to spawn such crap.

Why Do you say that John? Is that salt line(or whatever it is) an indication that the render has failed, There certainly has being a good amount of water behind it, and I guess that's pushing out these salts. you guys are render experts, certainly you seen this before? I'll try rubbing a few...

Hi GUys, I'm hoping one of you will know what's going on here, I got a Parex Base coat with a acrylic/siloxine top coat. I've had two leaking windows for a year and a half now and I just got the leak sorted, but obviously a lot of water pissed in behind the sills in that time. I've only noticed...

Thanks Guys

Hi There, what would be the best product to seal the edge of a rendered reveal to an aluminum sill? I tried a bit of CT1 but it removed easily in places. Thanks

that's WHY i'm so cool about it, My roofer is a legend with the Lead!! (he'll repair this is 2 seconds) otherwise I'd have the shotgun out at the render lads

My Parex Material cost me 7.2k and the plaster lads cost be 7.5K cash. much cheaper then some supply an fit installers. I was left an Easter egg yesterday when the render lads finished up, I guess it's normal to screw through the flashing with a wooden block to attached your string line for...

Nope ;p I'm just a IT dude pretending to be a builder dude, even bought myself a toolbelt as the carpenter was complaining I wasn't looking the part onsite.

Thanks again for all your brilliant ideas. I'll get a picture of the neighbors house as he had the same issue on his build. I'm hoping to use some superman fixings from fisher, on the soilpipe (Please note: this is a Vent stack too, so a T piece will have to connect in the photo above) see below...

Not a refurb Windy ;p Thanks for all your replies. I can't be hard on these lads, it's the only thing they messed up, the 315m2 of render was sprayed so perfectly, I can't fault them, two base coats and render from Parex, Very happy with the job. Thanks TOm81, I'm going to mention that double...

ok, Hollybank and Windy, the pipe should never have being cut flush. I'm curious why they would have done that. how does it make life much easier for them?

Hi, It's a new build (my first), I just stuck the soil pipe through the wall before the concrete was cast in place (ICF - lego block system). no way you'd push a new one through now, the concrete has a firm hold on it, I'll need (no choice) to cut around the pipe now to make enough room to stick...

Hi, Is this standard practice? I have a ICF wall, concrete form, 100mm insulation on the outside, I had a 4" soil pipe sticking out, and assumed that some stickout should be left for the plumber to attach his 90 onto, but the render guys just cut it flush. I understand that I can cut into the...

ok Thanks guys, I was wondering how plasterers could operate, if they could only put the render on when temps are over 5 degrees. I'll try to stop worrying so

The plaster guys have just finished the second coat on a 3 thin coat silicone system, from Parex. I was -1 for 9 hours overnight here. they said there was no issue, but the manufacturer says not to apply under 5 degrees (maybe just covering their ass) ...but the wall was not 100% dry, it's the...