My name is Robert and I am a long time lurker, first time poster. I never posted because
everyone I know said Ill get flamed or bombed. Frankly Im a little nervous but here goes
Lately our web site has been getting deluged with questions about *** roofing
material. Every one wants to know if it is fish safe or not. For some people it has worked and for
others it has killed their fish. I ask for everyone to please pay attention here because I will go into
detail why this is.
Lets start with EPDM ***, seeing that most *** roofing material is made from
EPDM polymers. EPDM stands for Ethylene Propylene Diene Monomer. While there are many
ways to formulate EPDM *** using EPDM polymer, they all share a basic structure that makes
it heat and air pollution resistant. EPDM *** can be called EPDM *** as long it contains
EPDM polymer. EPDM *** can be made using only a small percentage of EPDM polymer.
This makes EPDM relatively inexpensive because it contains a little EPDM polymer and
inexpensive oils and fillers.
In conclusion, that is why some *** is fish safe while others are not. It all depends on
the process by which it was manufactured and what fillers and curing agents were added to the
***. Not all EPDM is made with the same formula.
The other *** is Butyl ***. Butyl *** is more resistant to biological decay while
combining exceptional elasticity. This type of *** is also used for waterproofing the roofs of
commercial buildings as well. Now, given that EPDM polymer is resistant to heat and air
pollution while butyl *** is more resistant to biological decay while providing elasticity, the
two polymers can be combined to create a balance. Butyl *** tends to be more expensive than
EPDM because it must be made using mostly expensive butyl polymer with very little filler.
In closing, I want people to know that simply knowing if it is EPDM or butyl *** is
not enough. Unless you know what fillers or curing compounds were used in the manufacturing
of the compound, please dont use the roofing material.
I thank you all for your patience and if anyone would like to contact me, I would be more
than willing to attempt to answer any water gardening questions you may have. I know this got a
little lengthy, but I truly hope it was helpful.
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