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| style="background-color: #ffffcc; column-width:100%" | '''Notice to the Reader''': 

The instructions provided below are reprinted from the manufacturer's own materials which were submitted to the '''''RoofStar Guarantee Program''''' for inclusion in this Manual.  The reader is urged to check these against current publications issued by the manufacturer, to ensure accuracy. 
|}

Manufacturer: <b>JOHNS MANVILLE CORPORATION</b> 

Contact Address: See Membership List in Section 1.

Product Group: <b>POLYVINYL CHLORIDE MEMBRANES</b>

<hr>

===Description===
====[[Johns Manville Corporation|MATERIALS]]====
{| class="wikitable"
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| style="background-color: #ffffcc; column-width:100%" | '''NOTE''': Regardless of the materials listed below or anywhere else in these manufacturer's guidelines, only materials accepted for use in the '''''RoofStar Guarantee Program''''', or accessories associated with those materials, may be used to qualify for a '''''RoofStar Guarantee'''''.  To see a list of the manufacturer's products accepted for use in the '''''RoofStar Guarantee Program''''', click on the link above.
|}

<u>MEMBRANES</u>

Consult the list of Accepted Materials by clicking on the MATERIALS link above.  For more product details, installation requirements and limitations, consult the manufacturer's Specifications.

====EXECUTION====

Consult the Manufacturer's [http://www.jm.com/   '''website'''] for installation guidelines for PVC Membrane Roof Systems. 

<hr>

===Membrane Assemblies===
====Mechanically Fastened Membrane Roof Assembly - Insulated and Un-insulated====
Slope Limitation: No limit

;In-Service Performance Min.:
:-40&#176;C (- 40&#176;F)
;Temperature of the Membrane:
:Max.: +54&#176;C (+130&#176;F)

Application: For use over all types of decks, new construction and recover, in assemblies subject to high wind conditions. No slope limitations, lightweight.

<table cellspacing="0" cellpadding="2">
  <tr>
    <td style='border:1px solid black;' colspan="3"><u>ROOF ASSEMBLY</u></td>
  </tr>
  <tr>
    <td nowrap style='border:1px solid black;'><u>Components</u></td>
    <td nowrap style='border:1px solid black;'><u>Options</u></td>
    <td style='border:1px solid black;'><u>Comments or Cautions</u></td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Roof Deck</td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Wood / Plywood</td>
    <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Uninsulated steel decks will require an underlay for    the roof membrane.  Uninsulated    concrete and wood decks will require separation sheet.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Concrete</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Steel</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Underlay</td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Gypsum board</td>
    <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Minimum 12.7 mm (1/2&quot;) required over uninsulated    steel decks, mechanically-fastened.     Note: Minimum thickness determined by flute spanability.  Some steel may require greater minimum    thickness.  Minimum 6 mm (1/4&quot;)    Dens-Deck over wood, mechanically fastened.     Gypsum board may be required as a thermal barrier between steel deck    and combustible insulation (see Building Code).</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Plywood</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" style='border:1px solid black;'>Georgia-Pacific&rsquo;s &ldquo;Dens-Deck&rdquo; </td>
  </tr>
  <tr>
    <td height="46" align="left" valign="top" nowrap style='border:1px solid black;'>Vapour Retarder</td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>JM Approved Manufacturer</td>
    <td style='border:1px solid black;' align="left" valign="top">Vapour retarder may be required.  It is the sole    responsibility of the design professional to determine the need for a vapour    retarder and its type and location in the roofing system.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Insulation</td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Polyisocyanurate</td>
    <td style='border:1px solid black;' align="left" valign="top">Must meet Fed. Spec HH-I-1972.     Mechanically fastened.  Must    have non-asphaltic or foil facers. New construction or recover.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>ENRGY 3 JM ISO 1</td>
    <td style='border:1px solid black;' align="left" valign="top">Polyiso with inorganic facers</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" style='border:1px solid black;'>JM 1/2&quot;    Retro-Fit Board Roof Insulation </td>
    <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Perlite for overlayment purposes in new construction    and complete tear-offs only.  Contact    JM&rsquo;s Technical Department for exceptions in recover applications.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>ISO Composite</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" style='border:1px solid black;'>JM Fesco Foam Roof Insulation</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Separation Sheet</td>
    <td align="left" valign="top" style='border:1px solid black;'>UltraGard PVC DN Flameguard</td>
    <td style='border:1px solid black;' align="left" valign="top">Fire-retardant slipsheet in certain UL and / or FM  assemblies.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" style='border:1px solid black;'>JM Polyester Mat Protection Material</td>
    <td style='border:1px solid black;' align="left" valign="top">Required between membrane and polystyrene boards.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Membrane</td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>UltraGard PVC SR Series</td>
    <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Fastening patterns in accordance with manufacturer&rsquo;s    requirements.  Contact JM&rsquo;s Technical    Department for non-standard applications.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>UltraGard PVC Plus</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>UltraGard PVC V-2 Series</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Fasteners</td>
    <td colspan="2" align="left" valign="top" style='border:1px solid black;'>JM supplies a complete line of fasteners for all    types of decks.  Refer to JM&rsquo;s price    list data or JM&rsquo;s Technical Department for proper fastener selection.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>Flashing</td>
    <td align="left" valign="top" nowrap style='border:1px solid black;'>PVC-clad Metal</td>
    <td style='border:1px solid black;' align="left" valign="top">PVC-clad metal, 24 gauge galvanized steel, suitable for    flashing and edge details.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td align="left" valign="top" style='border:1px solid black;'>UltraGard PVC Detail Membrane</td>
    <td style='border:1px solid black;' align="left" valign="top">Detail Membrane, unreinforced, 2.03 mm (80 mil).</td>
  </tr>
</table>


====Loose-Laid and Ballasted Membrane Roof Assembly - Insulated and Un-insulated====
Slope Limitation: 1:6 (2" in 12")

In-Service Performance Min.: -40&#176;C (- 40&#176;F)

Temperature of the Membrane:
:Max.: +54&#176;C (+130&#176;F)
  
:Application: For use in commercial, institutional and industrial roofing applications over most types of roof deck construction. Note: <b>For limited foot traffic</b>.

<table cellspacing="0" cellpadding="2">
  <tr>
    <td style='border:1px solid black;' colspan="3" align="left" valign="top"><u>ROOF ASSEMBLY</u></td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top"><u>Components</u></td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap><u>Options</u></td>
    <td style='border:1px solid black;' align="left" valign="top"><u>Comments or Cautions</u></td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Roof Deck</td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Wood / Plywood</td>
    <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Design Authority must ensure deck is capable of    supporting structural load.     Uninsulated steel decks will require an underlay for the membrane.    Concrete decks will require a smooth,     trowelled finish if uninsulated.     Uninsulated wood decks will require separation sheet.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Concrete</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Steel</td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Underlay</td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Gypsum board</td>
    <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Minimum 12.7 mm (1/2&quot;) required over uninsulated steel decks,    mechanically-fastened.  Note: Minimum    thickness determined by flute spanability.     Some steel decks may require greater minimum thickness.  Gypsum board may be required as a thermal    barrier between steel deck and combustible insulations (see Building Code).</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Plywood</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">Georgia-Pacific&rsquo;s &ldquo;Dens-Deck&rdquo; </td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Vapour Retarder</td>
    <td style='border:1px solid black;' align="left" valign="top">JM Approved manufacturer </td>
    <td style='border:1px solid black;' align="left" valign="top">Vapour retarder may be required.  It is the sole    responsibility of the design professional to determine the need for a vapour    retarder and its type and location in the roofing system.</td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Insulation</td>
    <td style='border:1px solid black;' align="left" valign="top">Polyisocyanurate</td>
    <td style='border:1px solid black;' align="left" valign="top">Must meet Fed. Spec HH-I-1972.     Mechanically fastened.  Must    have non-asphaltic or foil facers. New construction or recover.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">ENRGY 3 JM ISO 1</td>
    <td style='border:1px solid black;' align="left" valign="top">Polyiso with inorganic facers.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">JM 1/2&quot;    Retro-Fit Board Roof Insulation </td>
    <td style='border:1px solid black;' align="left" valign="top">For overlayment purposes in new construction and complete    tear-offs only.   Contact JM&rsquo;s    technical department for exceptions.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">ISO Composite</td>
    <td align="left" valign="top"></td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">JM Fesco Foam Roof Insulation</td>
    <td style='border:1px solid black;' align="left" valign="top">Polyisocyanurate foam laminated to perlite</td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Separation Sheet</td>
    <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC DN Flameguard</td>
    <td style='border:1px solid black;' align="left" valign="top">Fire-retardant slipsheet in certain UL and / or FM assemblies.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">JM Polyester Mat Protection Material</td>
    <td style='border:1px solid black;' align="left" valign="top">Required between membrane and polystyrene boards.</td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Membrane</td>
    <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC SR Series</td>
    <td align="left" valign="top"></td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC Plus</td>
    <td align="left" valign="top"></td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC V2 Series</td>
    <td align="left" valign="top"></td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Ballast</td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Stone</td>
    <td style='border:1px solid black;' align="left" valign="top">ASTM Standard D448, nominal 38 mm (1-1/2&quot;) (#3, #4, #24), or nominal 63 mm (2-1/2&quot;)    (#1, #2), smoothwashed, river bottom stone</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Concrete Pavers</td>
    <td style='border:1px solid black;' align="left" valign="top">Must be installed over one layer of JM polyester mat    protection material</td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Fasteners</td>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">JM supplies a complete line of fasteners for all types of    decks.  Refer to JM&rsquo;s price list data    or JM&rsquo;s Technical Department for proper fastener selection.</td>
  </tr>
  <tr>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>Flashing</td>
    <td style='border:1px solid black;' align="left" valign="top" nowrap>PVC-clad Metal</td>
    <td style='border:1px solid black;' align="left" valign="top">PVC-clad metal, 24 gauge galvanized steel, suitable for    flashing and edge details.</td>
  </tr>
  <tr>
    <td align="left" valign="top" nowrap></td>
    <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC Membrane </td>
    <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC Membrane, same thickness as field membrane, may    be fully adhered or loose laid, anchored with 75 mm (3&quot;) strips of    PVC-clad metal.</td>
  </tr>
</table>


====Fully Adhered Membrane Roof Assembly - Insulated and Un-insulated====
Slope Limitation: Vertical

;In-Service Performance Min.:
:-40&#176;C (- 40&#176;F)

;Temperature of the Membrane:
:Max.: +54&#176;C (+130&#176;F)

Application: For use over all types of roof decks: lightweight designs, unusual shapes and configurations, (domes, etc.). A variety of colours are available.

<table cellspacing="0" cellpadding="2">
  <tr>
 <td style='border:1px solid black;' colspan="3" align="left" valign="top"><u>ROOF ASSEMBLY</u></td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap><u>Components</u></td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap><u>Options</u></td>
 <td style='border:1px solid black;' align="left" valign="top"><u>Comments or Cautions</u></td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Roof Deck</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Wood / Plywood</td>
 <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Membrane may be adhered directly to concrete (trowel finish). Uninsulated wood and steel decks require underlayment.</td>
  </tr>
  <tr>
 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Concrete</td>
  </tr>
  <tr>
 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Steel</td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Underlay</td>
 <td style='border:1px solid black;' align="left" valign="top">Georgia-Pacific&rsquo;s &ldquo;Dens-Deck&rdquo; </td>
 <td style='border:1px solid black;' align="left" valign="top">Minimum 6.4 mm (1/4&quot;) mechanically-fastened to wood or steel deck.  Note: Minimum thickness for steel decks are determined by flute spanability.  Some steel decks may require greater minimum thickness.</td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Vapour Retarder</td>
 <td style='border:1px solid black;' align="left" valign="top">JM Approved Manufacturer </td>
 <td style='border:1px solid black;' align="left" valign="top">Vapour retarder required in certain high humidity applications.  It is the sole responsibility of the design professional to determine the need for a vapour retarder and its type and location in the roofing system.</td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Base Sheet</td>
 <td style='border:1px solid black;' align="left" valign="top">JM Approved Manufacturer</td>
 <td style='border:1px solid black;' align="left" valign="top">Base sheet, if required for securement purposes, must be an asphalt coated #40 base sheet.  May be mechanically fastened or attached with Type III steel asphalt.</td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Insulation</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Polyisocyanurate</td>
 <td style='border:1px solid black;' align="left" valign="top">Must meet Fed. Spec HH-I-1972.  Must be mechanically fastened to &ldquo;standard&rdquo; decks (24 gauge or greater steel, poured structural concrete 3000 psi or greater, 16 mm (5/8&quot;) or greater plywood and 25 mm (1&quot;) minimum wood plank).  In some applications, JM may permit the use of Type III, steep asphalt, to attached the insulation to structural concrete, base sheets, or existing BUR Systems.</td>
  </tr>
  <tr>
 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>ENRGY 3 JM ISO 1</td>
 <td style='border:1px solid black;' align="left" valign="top">Polyiso with inorganic facers</td>
  </tr>
  <tr>
 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Wood Fibre Board</td>
 <td style='border:1px solid black;' align="left" valign="top">For overlayment purposes in new construction and complete tear-offs only.  Contact JM&rsquo;s Technical Department for exceptions in recover applications.</td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Fasteners</td>
 <td style='border:1px solid black;' colspan="2" align="left" valign="top">JM supplies a complete line of fasteners for all types of decks.  Refer to JM&rsquo;s price list data or JM&rsquo;s Technical Department for proper fastener selection.</td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Membrane</td>
 <td style='border:1px solid black;' align="left" valign="top">UltraGard SR Series</td>
 <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Solvent-based adhesive suitable for all fully adhered applications.  Latex-based adhesive can only be used on smooth, trowel finished, poured structural concrete decks and approved wood fibre insulations.  </td>
  </tr>
  <tr>
 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC Plus Series</td>
  </tr>
  <tr>
 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC V-2 Series</td>
  </tr>
  <tr>
 <td align="left" valign="top" nowrap></td>
 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC latex adhesive cannot be used over polyisocyanurate insulation.  Latex adhesive should not be stored or used at temperatures below 5&deg;C (40&deg;F) for a 24 hour period.  UltraGard PVC latex adhesive should not be used on roofs where the slope exceeds 1:8 (1.5&quot;: 12&quot;).  NOTE: JM&rsquo;s adhered membrane must be mechanically attached at all peaks, valleys and slope intersections where net change in slope exceeds 1:8 (1.5&quot;: 12&quot;).  Contact JM&rsquo;s Technical Department for specific recommendations.</td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Flashing</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>PVC-clad Metal</td>
 <td style='border:1px solid black;' align="left" valign="top">Flashing for details and edges.</td>
  </tr>
  <tr>
 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC SR Membrane</td>
 <td style='border:1px solid black;' align="left" valign="top">May be SR Series. Thickness to match field sheet.</td>
  </tr>
</table>


====Protected Membrane Roof Assembly - Insulated and Un-insulated====
;In-Service Performance Min.:
:-40&#176;C (- 40&#176;F)
;Temperature of the Membrane: 
:Max.: +54&#176;C (+130&#176;F)

Application: For use in commercial, institutional, and industrial roofing applications over most types of roof deck construction. Note: <b>For excessive foot traffic and protection of the membrane from mechanical damage.</b>

<table cellspacing="0" cellpadding="2">
  <tr>
 <td style='border:1px solid black;' align="left" valign="top" colspan=3><u>ROOF ASSEMBLY</u></td>
  </tr>
  <tr>
 <td style='border:1px solid black;' align="left" valign="top"><u>Components</u></td>
 <td style='border:1px solid black;' align="left" valign="top"><u>Options</u></td>
 <td style='border:1px solid black;' align="left" valign="top"><u>Comments or Cautions</u></td>
  </tr>
  <tr>
 <td style='border:1px solid black;' rowspan="3" align="left" valign="top" nowrap>Roof Deck</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Wood / Plywood</td>
 <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Design Authority must ensure deck is capable of supporting structural load.  Uninsulated steel decks will require an underlay for the membrane.  Concrete decks will require a smooth, trowelled finish if uninsulated.  Uninsulated wood deck will require slipsheet.</td>
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      <td style='border:1px solid black;' align="left" valign="top" nowrap>Concrete</td>
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      <td style='border:1px solid black;' align="left" valign="top" nowrap>Steel</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Underlay</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Gypsum Board</td>
 <td style='border:1px solid black;' rowspan="3" align="left" valign="top">Minimum 12.7 mm (1/2&quot;) required over uninsulated steel decks mechanically fastened.  Note: Minimum thickness determined by flute spanability.  Some steel decks may require greater minimum thickness.  Gypsum board may be required as a thermal barrier between steel deck and combustible insulations (See Building Code).</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Plywood</td>
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 <td style='border:1px solid black;' align="left" valign="top">Georgia-Pacific&rsquo;s &ldquo;Dens-Deck&rdquo; </td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Vapour Retarder</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>JM Approved</td>
 <td style='border:1px solid black;' rowspan="2" align="left" valign="top">Vapour retarder may be required.  It is the sole responsibility of the design professional to determine the need for a vapour retarder and its type and location in the roofing system.</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Manufacturer </td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Insulation (For use under membrane)</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Polyisocyanurate</td>
 <td style='border:1px solid black;' align="left" valign="top">Must meet Fed. Spec. HH-I-1972.  Mechanically fastened. Must have non-asphaltic or foil facers. New construction or recover.</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>ENRGY 3 JM ISO 1</td>
 <td style='border:1px solid black;' align="left" valign="top">Polyiso with inorganic facers</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Insulation (Continued)</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Fesco Board</td>
 <td style='border:1px solid black;' rowspan="2" align="left" valign="top">Minimum 1-1/2&quot; over steel decks.  One asphalt coated and one plain side, coated side must be down, or have an appropriate slipsheet.</td>
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 <td style='border:1px solid black;' align="left" valign="top">ISO Composite JM Fesco Foam Roof Insulation</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Separation Sheet</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>UltraGard PVC DN Flameguard</td>
 <td style='border:1px solid black;' align="left" valign="top">Fire-retardant slipsheet in certain UL and / or FM assemblies.</td>
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 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Polyester Mat Protection Material</td>
 <td style='border:1px solid black;' align="left" valign="top">Required between membrane and polystyrene boards.</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Membrane</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>UltraGard PVC V2 Series </td>
 <td style='border:1px solid black;' align="left" valign="top">Loose laid</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Insulation (Above Membrane)</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Extruded Polystyrene</td>
 <td style='border:1px solid black;' align="left" valign="top">Requires polyester mat protection material between membrane and polystyrene boards.</td>
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 <td style='border:1px solid black;' align="left" valign="top">Dow Chemical Co. &amp; equivalent by Owens Corning or equivalent by Celfortec</td>
 <td style='border:1px solid black;' align="left" valign="top">SM and RM, HI-40 and HI-60.  Dow&rsquo;s LG product will be reviewed by JM&rsquo;s Technical Department and is subject to approval on a job-to-job basis only</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Ballast</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Stone</td>
 <td style='border:1px solid black;' align="left" valign="top">ASTM Standard D448, nominal 38 mm (1-1/2&quot;) (#3, #4, #24), or nominal 63 mm (2-1/2&quot;)(#1, #2), smoothwashed, river bottom stone.</td>
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 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>Concrete Pavers</td>
 <td style='border:1px solid black;' align="left" valign="top">Must be installed over one layer of polyester mat protection material.</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Fasteners</td>
 <td style='border:1px solid black;' colspan="2" align="left" valign="top">JM supplies a complete line of fasteners for all types of decks.  Refer to JM&rsquo;s price list data or JM&rsquo;s Technical Department for proper fastener selection.</td>
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 <td style='border:1px solid black;' align="left" valign="top" nowrap>Flashing</td>
 <td style='border:1px solid black;' align="left" valign="top" nowrap>PVC-clad Metal</td>
 <td style='border:1px solid black;' rowspan="2" align="left" valign="top">PVC-clad metal, 24 gauge galvanized steel, suitable for flashing and edge details.  SR membrane, same thickness as field membrane, may be fully adhered or loose laid, anchored with 75 mm (3&quot;) strips of PVC-clad metal.</td>
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 <td align="left" valign="top" nowrap></td>
 <td style='border:1px solid black;' align="left" valign="top">UltraGard PVC Membrane </td>
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</table>


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