decay

I put some (allegedly) pressure treated posts into postcrete about five years ago, and I'm surprised (shocked) just how decayed they have become. See picture Is there a remedy that would prevent me having to dig them all out and replace them? If I did, I think I'd flatten the surface of the...

Can anyone tell what these fine grey strands are in my chimney flue? There was wet and dry rot in this house when I bought it, but the ground floor timbers have all been replaced with pressure treated ones, and isolated from the masonry with a plastic DPC. The timbers have a moisture content of...

I live in a 3 story house built in 1996. We have a large open plan kitchen on the middle floor which includes a peninsula. The joists are strong and numerous and covered with chipboard fllorboards (I should have replaced them at time of the refurb 5 years ago, but didn't). On top of the...

hi. We have a pergola in back garden and the timber frames holding up the roofing is starting to decay at the base. What can I do to treat this? Please see pic. Timber is 19cm width around each side. Pretty poor at anything DIY so will appreciate any input. Many thanks.