I think it is the same exterior glue, just no voids internally. For floors,
to not need the marine ply.
Bill

"Capt. Mooron" wrote in message
...
The glue and there are no interior voids in marine grade ply.

CM

"Buck Frobisher" wrote in message
.. .
| I suppose the difference is the glue used? Or is there a final
treatment
as
| well?
|
| thanks.
|
| --
| "Stay calm. Be brave. Wait for the signs."
|
| regards,
|
| Frank Johansen
| Aurora, Ontario
|
| "Almus Kenter" wrote in message
| ...
| In rec.boats Lloyd Sumpter wrote:
|
| : Home Despot has Marine Grade??? Last I looked, all they had was
some
| : wimpy pine (or "SPF", which is usually spruce), exterior grade. I
went
| to
| : Windsor Ply for marine grade (as well as ext. grade fir)
|
| : Lloyd
|
| Some of them do (supposedly) but I have never seen
| an HD that carried it. For this application (IMHO) Marine grade
| is over-kill. I've built boats and do appreciate marine ply.
| but for this project exterior fir nominal "1/2"" whatever the hell
| that is now ( 7/16" ? 15/32" ? 125/256" ??)
| is adequate. I got some great exterior ply at HD when I went; but
| every HD is different and every time you go it is different.
| They had pine (more $$ less rot resistant) I didn't see any spf
| though I have heard of it.
| --
|
| almus kenter
| (617)495-7056
|
|
| `` Pluralitas est ponenda sine neccesitate''
| `` carpe per diem ''
|
| Victor and vanquished never unite in substantial agreement. - Tacitus
|
|