View Full Version : Borers?
27th Jan 2012, 05:07 PM
I'm going to lay some tile underlay down for some tiling and while I took off the old floor covering I found that some of the floorboards had lots of small holes and were soft to touch when I put a screwdriver to them. The boards looked like violet crumble and the timber just came off in flakes. I'm going to replace the boards with chipboard but I noticed that the bottom plate of a wall has got a little bit of this damage and so does a bearer, only about 15 to 20 % in each case. What is this condition called and should I replace both bearer and the bottom plate?
27th Jan 2012, 05:24 PM
Tiger, have a look at this thread......http://www.renovateforum.com/f203/little-case-rot-100803/
27th Jan 2012, 05:40 PM
Can you post a pic?
That will help identify what it is.
29th Jan 2012, 11:13 PM
Here are some photos. One is a cross section of a floorboard. Photos taken at night so colour is not easily evident but it's like violet crumble yellow.8797787978
30th Jan 2012, 10:28 PM
That looks to me like the remnants of termite infestation not rot. You should get a professional inspection done to see if there are any active sites and then work out what needs replacing.
30th Jan 2012, 11:39 PM
That looks like rot to me, probably had moisture on / around it for a long period of time whch softens it enough for borers to attack, of which I can see some small holes, once they have a few holes in it then the moisture can get deeper & deeper, then it sets up a nice place for wood eating fungus to destroy the timber hence the colour you descibe, if it were termite damage then normally there would be just a thin shell of outside timber left with some strands of internal timber left they didn't find tasty. Best to remove all the damaged timber if its more than 1/4 in section defective
31st Jan 2012, 07:15 AM
A couple of daylight pics would help, I sorta agree with the others in that the first pic looks like rot, but the second could be from Termites.
5th Feb 2012, 10:26 PM
:whs: but not borers - which attack sapwood only wet or dry and will be well gone with timber that age. Need better pics. as Bedford says.
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