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<p><font face="Helvetica, Arial, sans-serif">Hi Mike, <br>
</font></p>
<p><font face="Helvetica, Arial, sans-serif">How did you attach it
to the substrate? Boathouse is unfinished inside, but the condensation
may have been the concern. <br>
</font></p>
<p><font face="Helvetica, Arial, sans-serif">Thanks!</font><br>
</p>
<br>
<div class="moz-cite-prefix">On 2016-08-25 1:22 PM, Michael O'Brien
wrote:<br>
</div>
<blockquote
cite="mid:6898C025-C9B5-4B70-8650-ECC2884B0A97@hevanet.com"
type="cite">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
Hi, Lynelle
<div class=""><br class="">
</div>
<div class="">We had a local roofing company cut a sheet of EPDM
to fit as a single continuous membrane. No leaks in 8 years.</div>
<div class=""><br class="">
</div>
<div class="">A cedar deck sits on the membrane, no penetrations.</div>
<div class=""><br class="">
</div>
<div class="">Your guy may have suggested polystyrene to prevent
condensation on the interior ceiling of the boat house?</div>
<div class=""><br class="">
</div>
<div class="">Best wishes,</div>
<div class=""><br class="">
</div>
<div class="">Mike O'Brien</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
<div>
<div class="">On Aug 25, 2016, at 5:24 AM, Lynelle Hamilton
<<a moz-do-not-send="true"
href="mailto:lynelle@lahamilton.com" class="">lynelle@lahamilton.com</a>>
wrote:</div>
<br class="Apple-interchange-newline">
<div class="">
<p style="margin-right: 0cm; margin-left: 0cm; font-size:
12pt; font-family: 'Times New Roman', serif; color: rgb(0,
0, 102); font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; orphans:
auto; text-align: start; text-indent: 0px; text-transform:
none; white-space: normal; widows: auto; word-spacing:
0px; -webkit-text-stroke-width: 0px; background-color:
rgb(255, 255, 255);" class=""><font class=""
face="Helvetica, Arial, sans-serif">Thanks, John.<br
class="">
</font></p>
<p style="margin-right: 0cm; margin-left: 0cm; font-size:
12pt; font-family: 'Times New Roman', serif; color: rgb(0,
0, 102); font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; orphans:
auto; text-align: start; text-indent: 0px; text-transform:
none; white-space: normal; widows: auto; word-spacing:
0px; -webkit-text-stroke-width: 0px; background-color:
rgb(255, 255, 255);" class=""><font class=""
face="Helvetica, Arial, sans-serif">I appreciate your
perspective. I had a rooftop deck at my last house and
used it a lot, so am pretty certain that this one will
get used. I too, hate the thought of vinyl, but it seems
that it's the simplest (and probably the least resource
intensive) response and will address the pressing
issue...the leaking roof. Just wish there was an
alternative to vinyl for the decking that would be as
waterproof and durable.</font></p>
<p style="margin-right: 0cm; margin-left: 0cm; font-size:
12pt; font-family: 'Times New Roman', serif; color: rgb(0,
0, 102); font-style: normal; font-variant-caps: normal;
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0px; -webkit-text-stroke-width: 0px; background-color:
rgb(255, 255, 255);" class=""><font class=""
face="Helvetica, Arial, sans-serif">Lynelle</font><br
class="">
</p>
<br style="color: rgb(0, 0, 102); font-family:
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255, 255);" class="">
<div class="moz-cite-prefix" style="color: rgb(0, 0, 102);
font-family: Helvetica-Light; font-size: 14px; font-style:
normal; font-variant-caps: normal; font-weight: normal;
letter-spacing: normal; orphans: auto; text-align: start;
text-indent: 0px; text-transform: none; white-space:
normal; widows: auto; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(255,
255, 255);">On 2016-08-25 12:58 AM, John Salmen wrote:<br
class="">
</div>
<blockquote cite="mid:019e01d1fe8d$594b0e70$0be12b50$@ca"
type="cite" style="font-family: Helvetica-Light;
font-size: 14px; font-style: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal;
orphans: auto; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: auto;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255);" class="">
<div class="WordSection1" style="page: WordSection1;">
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class="">The
simplest roof assembly is structure (roof
joists/sheathing of some sort), insulation (type 1
eps) roof board (typically fiberglass/ashphalt ½
thing mechanically fastened), two part roof system
on top of that (screw fastened base sheet/ adhered
top sheet). Every roof supply company has the same
basic system can look at soprema. Will run about 5
to 8 can per square foot in cost depending on local
contractors and size of roof/ details etc. That is a
current flat roof not a vinyl deck vinyl deck
will be comparable and probably simpler.<o:p
class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class=""><o:p
class=""> </o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class="">The
roofing weight is minimal in itself as most roofs
would carry at least 10llbs per foot for dead load
(sheathing, ceiling drywall, roofing) a wood deck
added on top would add about 15lbs per sq. ft. dead
load extra so you would need to look at the framing
and see if it meets current environmental load
requirements (things have changed) and if that could
be added. Carpenters love to make decks as they get
to rebuild them 10 years later<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class=""><o:p
class=""> </o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class="">Sheathing
the deck in plywood and then putting a vinyl deck
surface is crappy but would keep the weight load
down and use less materials so environmentally is
probably a better solution fewer trees used. They
tend not to leak except at odd upright seams and
will outlast wood finishes and replacement is better
than replacing a wood deck.<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class=""><o:p
class=""> </o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class="">I hate
giving this type of advice as I know environmentally
the vinyl deck solution is actually less destructive
but is a horrible solution. As a designer I would
ask if anyone would ever use the deck.<o:p class=""></o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class=""><o:p
class=""> </o:p></span></div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><span style="font-size: 11pt;
font-family: Calibri, sans-serif;" class=""><o:p
class=""> </o:p></span></div>
<div class="">
<div style="border-style: solid none none;
border-top-color: rgb(181, 196, 223);
border-top-width: 1pt; padding: 3pt 0cm 0cm;"
class="">
<div style="margin: 0cm 0cm 0.0001pt; font-size:
12pt; font-family: 'Times New Roman', serif;
color: rgb(0, 0, 102);" class=""><b class=""><span
style="font-size: 10pt; font-family: Tahoma,
sans-serif; color: windowtext;" class=""
lang="EN-US">From:</span></b><span
style="font-size: 10pt; font-family: Tahoma,
sans-serif; color: windowtext;" class=""
lang="EN-US"><span class="Apple-converted-space"> </span>Greenbuilding
[<a moz-do-not-send="true"
class="moz-txt-link-freetext"
href="mailto:greenbuilding-bounces@lists.bioenergylists.org"
style="color: purple; text-decoration:
underline;">mailto:greenbuilding-bounces@lists.bioenergylists.org</a>]<span
class="Apple-converted-space"> </span><b
class="">On Behalf Of<span
class="Apple-converted-space"> </span></b>Lynelle
Hamilton<br class="">
<b class="">Sent:</b><span
class="Apple-converted-space"> </span>August-24-16
9:28 PM<br class="">
<b class="">To:</b><span
class="Apple-converted-space"> </span>Green
Building<br class="">
<b class="">Subject:</b><span
class="Apple-converted-space"> </span>[Greenbuilding]
Decking a Boathouse Roof<o:p class=""></o:p></span></div>
</div>
</div>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><o:p class=""> </o:p></div>
<p style="margin-right: 0cm; margin-left: 0cm;
font-size: 12pt; font-family: 'Times New Roman',
serif; color: rgb(0, 0, 102);" class=""><span
style="font-family: Helvetica, sans-serif;" class="">I
have a boathouse on my property with a flat roof
that, surprisingly. leaks. I would like to put a
deck on the roof, as the structure is strong enough
to support it. However, I am stumped as to the best
material to use to get a durable and waterproof
surface that is walkable. My carpenter suggests
rubber membrane, the styrofoam, then a wood deck,
but I have concerns about the weight, plus the
weight of folks on it. As well, maintenance might be
an issue. Duradeck, etc are seem hardly to be green
alternatives. Any ideas, folks?</span><o:p class=""></o:p></p>
<p style="margin-right: 0cm; margin-left: 0cm;
font-size: 12pt; font-family: 'Times New Roman',
serif; color: rgb(0, 0, 102);" class=""><span
style="font-family: Helvetica, sans-serif;" class="">Many
thanks in advance.</span><o:p class=""></o:p></p>
<p style="margin-right: 0cm; margin-left: 0cm;
font-size: 12pt; font-family: 'Times New Roman',
serif; color: rgb(0, 0, 102);" class=""><span
style="font-family: Helvetica, sans-serif;" class="">Lynelle</span><o:p
class=""></o:p></p>
<div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt;
font-family: 'Times New Roman', serif; color: rgb(0,
0, 102);" class=""><o:p class=""> </o:p></div>
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<pre wrap="">_______________________________________________
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<td style="width: 55px; padding-top: 13px;"><a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank"><img src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-round-orange-animated-tick-v1.gif" width="46" height="29" style="width: 46px; height: 29px;" /></a></td>
<td style="width: 470px; padding-top: 12px; color: #41424e; font-size: 13px; font-family: Arial, Helvetica, sans-serif; line-height: 18px;">Virus-free. <a href="https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank" style="color: #4453ea;">www.avast.com</a>
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