Template:Part 7 (Waterproofing Roofs) - Revision history

James Klassen: /* All Projects */

2021-11-09T17:07:10Z

‎All Projects

James Klassen at 18:19, 3 September 2021

2021-09-03T18:19:18Z

James Klassen: /* General */

2021-09-03T18:18:28Z

‎General

James Klassen at 18:18, 3 September 2021

2021-09-03T18:18:05Z

James Klassen: /* Definitions */

2021-09-03T18:17:41Z

‎Definitions

James Klassen at 21:59, 13 April 2021

2021-04-13T21:59:33Z

James Klassen: /* All Projects */

2021-04-01T20:51:57Z

‎All Projects

James Klassen: /* All Projects */

2021-03-23T20:17:30Z

‎All Projects

James Klassen: /* All Projects */

2021-02-11T21:22:15Z

‎All Projects

James Klassen at 21:18, 5 February 2021

2021-02-05T21:18:30Z

@@ Line 117: / Line 117: @@
 </div>
 </div>
-<br><br>
+</div>
 <div id="INSUL_MATERIALS"></div>

@@ Line 1: / Line 1: @@
 __NOTOC__
-See more information on [[Insulating the Roof]] in '''Division B: Essential Elements'''.
+See more information on [[Insulating the Roof]].
 ==General==
 ===Definitions===

@@ Line 119: / Line 119: @@
 <br><br>
 <div id="INSUL_MATERIALS"></div>
 ==Materials==
 Only insulation boards accepted for use in the '''''RoofStar Guarantee Program''''', and acceptable to the membrane manufacturer, may be used to qualify for a '''''RoofStar Guarantee'''''. This includes insulation used in ''Tested Assemblies'' (see '''3.2.1 Material Substitution in Tested Assemblies''').  Specific standards and limitations for commonly used insulation types are listed below.  To see the full range of insulation products accepted for the '''''RoofStar Guarantee Program''''', refer to the full listing of Accepted [http://rpm.rcabc.org/index.php/Insulation '''Insulation'''] materials.

@@ Line 1: / Line 1: @@
 __NOTOC__
-See more information on [http://rpm.rcabc.org/index.php?title=Insulating_the_Roof '''Insulating the Roof'''] in '''Division B: Essential Elements'''.
+See more information on [[Insulating the Roof]] in '''Division B: Essential Elements'''.
 ==General==
 ===Definitions===

@@ Line 10: / Line 10: @@
 ;:
 <div id="INSUL_DESIGN"></div>
 ===Design===
 ====RoofStar 15-Year Guarantee====

@@ Line 9: / Line 9: @@
 :;''Heat-sensitive insulation'': means insulation that may be physically or chemically altered when exposed to heat greater than 70°C (158°F) - for example, heat from a torch or from liquefied bitumen.  Heat-sensitive insulation includes EPS, XPS and polyurethane.
 ;:
+<div id="INSUL_DESIGN"></div>
 ===Design===
 ====RoofStar 15-Year Guarantee====
@@ Line 23: / Line 23: @@
 <li>In warm seasons, the roof surface may reach temperatures higher than 85°C (185°F), affecting the performance and stability of some insulation.  Combining insulation types in a ''roof system'' may help mitigate these temperature swings and consequential distortion of the ''system''.  The ''Design Authority'' therefore must consider these variables when specifying materials and their installation.
 <li>When ''heat-sensitive insulation'' is used in the primary thermal ''assembly'', it must be covered with a ''heat-resistant insulation'' at least 50 mm (2”) thick.  See also '''7.1.2.2''' ('''7''') below.
 <li>Insulation ''assemblies'' with a cumulative thermal resistance greater than RSI-2.64 (R-15) (based on published LTTR values measured at 24°C) must be installed in multiple layers that are offset and staggered (see '''7.3 Application''').  Within that multi-layered ''assembly'', any single layer of insulation may have a thermal resistance greater than RSI-2.64 (R-15) provided no one layer exceeds 60% of the cumulative thermal resistance of the combined ''assembly'' of insulation and insulation overlay boards.
 <br><br>
@@ Line 115: / Line 117: @@
 </div>
 <br><br>
+<div id="INSUL_MATERIALS"></div>
 ==Materials==
 Only insulation boards accepted for use in the '''''RoofStar Guarantee Program''''', and acceptable to the membrane manufacturer, may be used to qualify for a '''''RoofStar Guarantee'''''. This includes insulation used in ''Tested Assemblies'' (see '''3.2.1 Material Substitution in Tested Assemblies''').  Specific standards and limitations for commonly used insulation types are listed below.  To see the full range of insulation products accepted for the '''''RoofStar Guarantee Program''''', refer to the full listing of Accepted [http://rpm.rcabc.org/index.php/Insulation '''Insulation'''] materials.
@@ Line 136: / Line 138: @@
 </li></ol>
 </li></ol>
+<div id="INSUL_APPLICATION"></div>
 ==Application==
 ===General===

@@ Line 43: / Line 43: @@
 </li></ol>
 </li></ol>
-<li>Regardless of average thermal resistance calculations for the ''roof system'', drain sumps should be adequately insulated, based on the regional location of the building.  See '''11.1.2'''('''1''') for drain sump design.
+<li>Regardless of average thermal resistance calculations for the ''roof system'', drain sumps should be adequately insulated, based on the regional location of the building.  See '''11.1.2.2'''('''9''') for drain sump design.
 <li>Mineral wool insulation panels must be fastened or adhered according to the manufacturer’s published instructions and ''Tested Assemblies'', but in any event their securement must conform to the following standards:
 <ol>

@@ Line 18: / Line 18: @@
 ====All Projects====
 <ol>
-<li>1)	The use of thermal barrier between the roof ''deck'' and the insulation is the responsibility of the ''Design Authority'' and may be required by the Code having jurisdiction.  Consult the Code having jurisdiction for the minimum required thermal resistance of the ''roof system''.  See also '''Part 5 DECK and WALL OVERLAYS'''.
+<li>The use of thermal barrier between the roof ''deck'' and the insulation is the responsibility of the ''Design Authority'' and may be required by the Code having jurisdiction.  Consult the Code having jurisdiction for the minimum required thermal resistance of the ''roof system''.  See also '''Part 5 DECK and WALL OVERLAYS'''.
 <li>Consult the Code having jurisdiction for the minimum required thermal resistance of the ''roof system''.
 <li><span class="recommended">Insulation materials rely on various standards for the determination of thermal resistance, which means that not all data can be easily compared. Furthermore, not all insulation products perform with consistent thermal resistance as temperature changes, and some insulation performance declines with age. The ''Design Authority'' is therefore urged to consider the Long-term Thermal Resistance (LTTR) for each product, in relation to its placement within the ''roof assembly'' and the anticipated outside and interior climates of the building.</span>

@@ Line 7: / Line 7: @@
 :;''Heat-resistant insulation'': means insulation that resists heat and will not physically or chemically change when exposed to heat greater than 70°C (158°F), including {{hilite | heat from|| 2021-June-30 }} liquefied bitumen.  Insulation boards of this type include fibreboard, polyisocyanurate and mineral wool.  Note that "heat-resistant" does not mean or even infer 'fire-proof'.  While some heat-resistant insulation materials will resist burning for a period of time, only mineral wool insulation will not burn.
 ;:
-:;''Heat-sensitive insulation'': means insulation that may be physically or chemically altered when exposed to heat greater than 70°C (158°F) - for example, heat from a torch or from liquefied bitumen.  Heat-sensitive insulation includes EPS, XPS and Polyurethane.
+:;''Heat-sensitive insulation'': means insulation that may be physically or chemically altered when exposed to heat greater than 70°C (158°F) - for example, heat from a torch or from liquefied bitumen.  Heat-sensitive insulation includes EPS, XPS and polyurethane.
 ;:
@@ Line 18: / Line 18: @@
 ====All Projects====
 <ol>
-<li>The use of thermal barrier between the ''roof deck'' and the insulation is the responsibility of the ''Design Authority'' and may be required by the Building and Fire Codes having jurisdiction.  See also '''Part 5 DECK and WALL OVERLAYS'''.
+<li>1)	The use of thermal barrier between the roof ''deck'' and the insulation is the responsibility of the ''Design Authority'' and may be required by the Code having jurisdiction.  Consult the Code having jurisdiction for the minimum required thermal resistance of the ''roof system''.  See also '''Part 5 DECK and WALL OVERLAYS'''.
-<li>Consult the Building Code having jurisdiction for the minimum required thermal resistance of the ''roof system''.
+<li>Consult the Code having jurisdiction for the minimum required thermal resistance of the ''roof system''.
-<li><span class="recommended">Insulation materials rely on various standards for the determination of thermal resistance, which means that not all data can be easily compared. Furthermore, not all insulation products perform with consistent thermal resistance as temperature changes, and some insulation performance declines with age. The Design Authority is therefore urged to consider the Long-term Thermal Resistance (LTTR) for each product, in relation to its placement within the ''roof assembly'' and the anticipated outside and interior climates of the building.</span>
+<li><span class="recommended">Insulation materials rely on various standards for the determination of thermal resistance, which means that not all data can be easily compared. Furthermore, not all insulation products perform with consistent thermal resistance as temperature changes, and some insulation performance declines with age. The ''Design Authority'' is therefore urged to consider the Long-term Thermal Resistance (LTTR) for each product, in relation to its placement within the ''roof assembly'' and the anticipated outside and interior climates of the building.</span>
 <li>In warm seasons, the roof surface may reach temperatures higher than 85°C (185°F), affecting the performance and stability of some insulation.  Combining insulation types in a ''roof system'' may help mitigate these temperature swings and consequential distortion of the ''system''.  The ''Design Authority'' therefore must consider these variables when specifying materials and their installation.
-<li>When heat-sensitive insulations are used in the primary thermal ''assembly'', they must be covered with a heat-resistant insulation at least 50 mm (2”) thick.  See also '''7.1.2'''('''9''') below.
+<li>When ''heat-sensitive insulation'' is used in the primary thermal ''assembly'', it must be covered with a ''heat-resistant insulation'' at least 50 mm (2”) thick.  See also '''7.1.2'''('''9''') below.
 <li>Insulation ''assemblies'' with a cumulative thermal resistance greater than RSI-2.64 (R-15) (based on published LTTR values measured at 24°C) must be installed in multiple layers that are offset and staggered (see '''7.3 Application''').  Within that multi-layered ''assembly'', any single layer of insulation may have a thermal resistance greater than RSI-2.64 (R-15) provided no one layer exceeds 60% of the cumulative thermal resistance of the combined ''assembly'' of insulation and insulation overlay boards.
 <br><br>
@@ Line 31: / Line 31: @@
 | [[File:7.1 Insulation Layering.jpg|link=http://rpm.rcabc.org/images/d/d4/7.1_Insulation_Layering.jpg | 550 px]]
 |}
 <li>{{hilite | Tapered insulation|| 2021-June-18 }}
 <ol>
@@ Line 37: / Line 36: @@
 <li><span class="principles">{{hilite | may be used in calculating the overall thermal performance of the ''roof system'' and may vary depending upon the layout of the sloped insulation package, but this is at the discretion of the ''Design Authority''|| 2021-June-30 }}</span>.
 <li>{{hilite | greater than 150 mm (6”) in thickness shall be installed in multiple soldiered layers|| 2021-June-30 }}.
-<li>{{hilite | that is heat-sensitive and manufactured to cover the entire roof area (commonly referred to as a full slope or taper package) must be installed beneath at least one layer of flat board heat-resistant insulation with a minimum thickness of 50 mm (2”)|| 2021-June-30 }}.
+<li>{{hilite | that is ''heat-sensitive'' and manufactured to cover the entire roof area (commonly referred to as a full slope or taper package) must be installed beneath at least one layer of flat board ''heat-resistant insulation'' with a minimum thickness of 50 mm (2”)|| 2021-June-30 }}.
 <li>{{hilite | used only as crickets to promote drainage over limited areas of the roof|| 2021-June-30 }}
 <ol>
-<li>{{hilite | should be manufactured of ''heat-resistant insulation'', but|| 2021-June-30 }} <span class="recommended">{{hilite | when crickets are manufactured from ''heat-sensitive insulation'' they should be covered with a layer of ''heat-resistant insulation'' at least 50 mm (2") thick|| 2021-June-30 }}</span>.
+<li><span class="principles">{{hilite | should be manufactured of ''heat-resistant insulation'', but|| 2021-June-30 }}</span> <span class="recommended">{{hilite | when crickets are manufactured from ''heat-sensitive insulation'' they should be covered with a layer of ''heat-resistant insulation'' at least 50 mm (2") thick|| 2021-June-30 }}</span>.
 <li><span class="recommended">{{hilite | may be installed directly over a ''roof deck'', although this is not recommended|| 2021-June-30 }}</span>. {{hilite | See '''8.1.1 Design''' for overlay requirements|| 2021-June-30 }}.
 </li></ol>
 </li></ol>
 <li>Regardless of average thermal resistance calculations for the ''roof system'', drain sumps should be adequately insulated, based on the regional location of the building.  See '''11.1.2'''('''1''') for drain sump design.
-<li>Mineral wool insulation panels must be fastened or adhered according to the manufacturer’s published instructions and ''Tested Assemblies'', but in any event their securement must conform to the following '''''RoofStar Guarantee Standards''''':
+<li>Mineral wool insulation panels must be fastened or adhered according to the manufacturer’s published instructions and ''Tested Assemblies'', but in any event their securement must conform to the following standards:
 <ol>
 <li>Only bitumen-coated mineral wool insulation may be used in the top-most insulation layer, or may be secured with adhesive.
 <li>A non-coated mineral wool base insulation layer is permissible only by mechanically fastening, but may not have additional insulation layers adhered to it.
-<li>When mineral wool insulation is mechanically fastened, a 12 mm (1/2”) insulation overlay board is required, whether or not overburden is present.
+<li>When mineral wool insulation is mechanically fastened, a 12 mm (1/2”) insulation overlay board is required, whether or not ''overburden'' is present.
-<li>'''Roofs without ''Overburden''''' – an insulation overlay board is not required when bitumen-coated mineral wool insulation is adhered as a single layer, or when it is adhered as the top layer in a multi-layer assembly.
+<li>'''Roofs without ''overburden''''' – an insulation overlay board is not required when bitumen-coated mineral wool insulation is adhered as a single layer, or when it is adhered as the top layer in a multi-layer assembly.
-<li>'''Roofs with ''Overburden''''' – mineral wool insulation in a ''roof system'' that will support ''Overburden'' must be overlaid with an insulation overlay board at least 12 mm (1/2”) thick, irrespective of the method by which the insulation is fastened.
+<li>'''Roofs with ''overburden''''' – mineral wool insulation in a ''roof system'' that will support ''overburden'' must be overlaid with an insulation overlay board at least 12 mm (1/2”) thick, irrespective of the method by which the insulation is fastened.
 </li></ol>
 </li></ol>
@@ Line 123: / Line 122: @@
 <li>'''Polyisocyanurate''':
 <ol>
-<li>Only polyisocyanurate insulation with non-organic facers (e.g. fibreglass) are acceptable for use in the '''''RoofStar Guarantee Program'''''. In addition, manufacturers’ product identification labels are required for all Polyisocyanurate insulation packaging and the date of manufacture must be provided on all product labels.
+<li>Only polyisocyanurate insulation with non-organic facers (e.g. fibreglass) are acceptable for use in the '''''RoofStar Guarantee Program'''''. In addition, manufacturers’ product identification labels are required for all polyisocyanurate insulation packaging and the date of manufacture must be provided on all product labels.
 <li>Polyisocyanurate insulation, which is manufactured to various dimensions and board thicknesses, is suitable only for ''Conventionally Insulated Systems'' and may be manufactured in sloped packages, for individual crickets or for full roof area application.
 </li></ol>
 <li>'''Mineral wool''' – <span class="reference">manufactured to various dimensions and board thicknesses, and may be manufactured in sloped packages, for individual crickets or for full roof area application</span>.  Mineral wool insulation is suitable only for ''Conventionally Insulated Systems''.
-<li>'''Expanded Polystyrene (EPS)''' – <span class="reference">EPS insulation is manufactured in various board dimensions and may be manufactured in sloped packages, for individual crickets or for full roof area application</span>.  EPS is suitable only for ''Conventionally Insulated Systems''.
+<li>'''Expanded polystyrene (EPS)''' – <span class="reference">EPS insulation is manufactured in various board dimensions and may be manufactured in sloped packages, for individual crickets or for full roof area application</span>.  EPS is suitable only for ''Conventionally Insulated Systems''.
-<li>'''Extruded Polystyrene (XPS)''' – <span class="reference">XPS insulation is a closed-cell material manufactured in various board dimensions, and is mainly used in a ''Protected Membrane Roof Assembly''</span>.  Only [http://rpm.rcabc.org/index.php?title=Insulating_the_Roof#3.4XPS '''Extruded Polystyrene Insulation'''] (conforming to CAN / CGSB-51.20-M87, Type 4) may be used on ''Protected Membrane Roof Assemblies''.   For more about PMRAs, see [http://rpm.rcabc.org/index.php?title=Protected_and_Modified_Protected_Roof_Systems '''Protected and Modified Protected Roof Systems'''].  See also '''Part 14 THE ROOF as a PLATFORM'''.
+<li>'''Extruded polystyrene (XPS)''' – <span class="reference">XPS insulation is a closed-cell material manufactured in various board dimensions, and is mainly used in a ''Protected Membrane Roof Assembly''</span>.  Only [http://rpm.rcabc.org/index.php?title=Insulating_the_Roof#3.4XPS '''Extruded polystyrene insulation'''] (conforming to CAN / CGSB-51.20-M87, Type 4) may be used on ''Protected Membrane Roof Assemblies''.   For more about PMRAs, see [http://rpm.rcabc.org/index.php?title=Protected_and_Modified_Protected_Roof_Systems '''Protected and Modified Protected Roof Systems'''].  See also '''Part 14 THE ROOF as a PLATFORM'''.
 <li>Material dimensions:
 <ol>
@@ Line 178: / Line 177: @@
 <br>
 {| class="wikitable"; table style="background-color:white"; border="#A9A9A9;"
-|+ '''Figure 7.3''' (Click to expand)
+|+'''Figure 7.3''' (Click to expand)
 |-
 | [[File:7.3 Insulation Offset and Staggered.jpg| link=http://rpm.rcabc.org/images/2/28/7.3_Insulation_Offset_and_Staggered.jpg | 400 px]]
 |}
 <li>Unless specified otherwise by a ''Tested Assembly'' or in an engineered specification (see '''3.3.3.4.2 Adhesive Applied Materials'''), the following minimum standards apply to adhesive-applied insulation: