Thanks bimr, but DeFelsko no longer make that model. They have in-cooperated it into the model 200 but it has a limit of 150 mils and does not do well with polyurea. So they say.
Thanks...
Any other suggestions!!!
I have used a polyurea to coat the interior of our manholes. The thickness is to be 125mils on concrete and 150 on brick. The contractor is saying that his ultrasonic meter will not give a reading over 150mils. And that all his work is over 150mils in thickness. The kit with the meter has...
Has anyone had experiences with concrete manholes that have their section (barrel) sealing rings coming out. This is do to the H2s problem within the linage. I know how to seal the manhole from the H2s. But, what do I do with the seal rings/gaskets that you can see within the manhole?. I...
bimr have you or anyone else tried these?
If so, was it on new or old manholes?
How long ago?
How have the liners/coatings held up?
Was there an H2S problem?
Anyone with experience please respond too!
Thanks.
Thanks everyone.
I was looking at Raven Linings. But, it seems that they have had problems in the pass!
Does anyone have experiences with SpectraShield or AP/M PermaForm?
Thanks Again.
Has anyone come in contact with manholes that they have had to coat do to a H2S problem. I even have the riser gaskets coming out. If so, has the material/s been tried and reviewed for more than 5 years? I have read that some are failing after a few years. The manhole is 21' deep and has a...
