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Is polypropylene (PP) siding a greener substitute for PVC siding?

by LiveModern Webmaster last modified Jan 04, 2012 02:09 AM
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by last modified Feb 16, 2011

CertainTeed offers shake-style siding made of polypropylene (PP).  I read other questions on this site asking for greener substitutes to PVC and have seen fiber cement board given as an answer. Fiber board needs maintenance. I haven't found anything on this site about polypropylene (PP) shake style siding, and it sounds like a great substitute for PVC, since PVC will emit harmful chemicals throughout its lifecycle and if burned. I am hoping to hear that PP is greener substitute. Also, we live in NJ and currently have cedar wood shakes. Should the plastic siding go up over the shakes? A contractor said he would remove the rotting/bad shakes, replace them with plywood and put 1/2" Dow foam insulation over the good shakes and plywood and then put on the siding. He said this will add to the insulation and soundproofing. Is it okay to put the siding up over the wood shakes? How can you be sure there won't be rotting/mold or bugs still there?




 

 

CertainTeed offers shake-style siding made of polypropylene (PP).  I read other questions on this site asking for greener substitutes to PVC and have seen fiber cement board given as an answer. Fiber board needs maintenance. I haven't found anything on this site about polypropylene (PP) shake style siding, and it sounds like a great substitute for PVC, since PVC will emit harmful chemicals throughout its lifecycle and if burned. I am hoping to hear that PP is greener substitute. Also, we live in NJ and currently have cedar wood shakes. Should the plastic siding go up over the shakes? A contractor said he would remove the rotting/bad shakes, replace them with plywood and put 1/2" Dow foam insulation over the good shakes and plywood and then put on the siding. He said this will add to the insulation and soundproofing. Is it okay to put the siding up over the wood shakes? How can you be sure there won't be rotting/mold or bugs still there?


 

 

 
 
 

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