[Strawbale] Diato

[Robert Deutsch]

Hi Shody,

We have welded vinyl sheets over ext. ply decks.... the sheets are textured 
and colored and very tough... I had cut a long strip off the roll and wanted 
to tear the last 1/2 inch and couldn't do it!!  Some is glass reinforced 
The specialists come out and hot air weld the stuff and roll the seams down. 
They have special materials for difficult corners, etc.. and can weld to 
vinyl clad galv. metal for flashing, gutters, etc...  Some of ours is 8 
years old already and still looks new... much better that the old cold 
process roofing, and the hot mop we had after that.

Robert with decks and flat roof in the rainy north coast of California


----- Original Message ----- 
From: "Shody Ryon" <qi4u at yahoo.com>
To: <strawbale at listserv.repp.org>
Sent: Wednesday, January 10, 2007 12:50 AM
Subject: [Strawbale] Diato


>I think we used to build outdoor walkways and stairs
> out of this stuff in California in the mid 1980s. I am
> getting to old to remember but I am rubbing some brain
> cells together and seeing what appears. We never
> installed the material ourselves, there were special
> contractors that specialized in it and they were
> secretive. They would come and give instructions to
> carpenters as to how to build the decks, etc. It was
> relitivley light wieght. We only used it outside over
> wood; such as wooden stairs and ext plywood walkways
> and decks. I think we only used it a few times, but we
> advertized that we could repair it where it failed on
> older structures. It needed to drain properly or the
> wood would rot under it and where railings were
> improperly installed or where termites had eaten the
> supporting members.
> Perhaps some other products came out that were better
> at doing what it did? Tourch down modified bitumen
> that could be covered with any topping, portland
> cenemt, clay roof tiles, ceramic tile or what have
> you.
> Is tourched down modified bitumen still concidered a
> good water proofing technique for roofs, decks and
> shower pans? is there something better? What would you
> use to waterproof an ext plywood deck. Is there
> something to use other than plywood and MDF or what
> ever it is called. I would like the deck not to drip
> underneeth.
> Shody
>
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