Template:All Systems - INSULATION EPDM, TPO - Revision history

James Klassen: /* General */

2018-03-13T17:29:25Z

‎General

James Klassen: /* General */

2017-08-17T15:30:48Z

‎General

James Klassen: /* Application */

2017-07-11T16:16:27Z

‎Application

James Klassen at 15:06, 29 June 2017

2017-06-29T15:06:02Z

James Klassen: /* Application */

2017-06-06T14:22:43Z

‎Application

James Klassen: /* Layering */

2017-01-18T21:40:03Z

‎Layering

James Klassen: /* Layering */

2017-01-18T17:00:37Z

‎Layering

James Klassen: /* Nailing Strips */

2017-01-17T15:27:29Z

‎Nailing Strips

James Klassen: /* Polyisocyanurate Insulation */

2016-12-07T22:22:47Z

‎Polyisocyanurate Insulation

James Klassen: /* Polyisocyanurate Insulation */

2016-12-07T22:20:15Z

‎Polyisocyanurate Insulation

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 __NOTOC__
 === General ===
-Only RoofStar-accepted insulations, specifically listed by membrane manufacturers in the RPM as acceptable for use with their modified bituminous loose laid, or mechanically attached base sheets, may be used without an overlay board in the '''''RoofStar Guarantee Program'''''.
+:#Only RoofStar-accepted insulation, specifically listed by membrane manufacturers in the RPM as acceptable for use with their modified bituminous loose laid, or mechanically attached base sheets, may be used without an overlay board in the '''''RoofStar Guarantee Program'''''.
 ===Material Selection===

@@ Line 62: / Line 62: @@
 ====='''General'''=====
-<p>When conventionally adhered roof assemblies are installed, (adhered, hot asphalt mopped, torched, etc.), all insulation must be mechanically fastened to all nailable decks including steel, with exceptions as per (reference here).  <span class="principles">The upper layer or overlay in a multiple-layer insulation application does not require mechanical fastening.  The exception is for slopes exceeding 1:12 (1" in 12") or steeper - in those cases, the upper layer must be fastened.</span></p>
+<p>When conventionally adhered roof assemblies are installed, (adhered, hot asphalt mopped, torched, etc.), all insulation must be mechanically fastened to all nailable decks including steel, unless stated otherwise in this Manual.  <span class="principles">The upper layer or overlay in a multiple-layer insulation application does not require mechanical fastening.  The exception is for slopes exceeding 1:12 (1" in 12") or steeper - in those cases, the upper layer must be fastened.</span></p>
 <p class="reference">Cavity deck or T Deck may be defined as either nailable or non-nailable, depending on profile and deflection.</p>

@@ Line 28: / Line 28: @@
 # <span class="principles">For heat sensitive insulation and heat insensitive foamed insulation, '''''RoofStar Guarantee Standards''''' should be consulted for fibreboard overlay requirements for Five (5) or Ten (10) '''''RoofStar Guarantee''''' requirements.</span>
 # <p class="principles">The specifier should not simply reference the thermal performance for a roof assembly by specifying the total R-value. The generic type, thickness, C-value, and applicable standards of the insulation required for application should also be specified.</p>
 ==== Layering ====

← Older revision		Revision as of 15:06, 29 June 2017
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	See also [http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.7Polyisocyanurate '''Storage and Handling'''] notes under the Polyisocyanurate section of '''''Insulating the Roof''''' in the [http://rpm.rcabc.org/index.php?title=Design_Considerations '''''Essential Elements'''''] section of this Manual.		See also [http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.7Polyisocyanurate '''Storage and Handling'''] notes under the Polyisocyanurate section of '''''Insulating the Roof''''' in the [http://rpm.rcabc.org/index.php?title=Design_Considerations '''''Essential Elements'''''] section of this Manual.
		+
		+	===={{hilite \| Mineral Wool Insulation \|\| 2018-June-29 }}====
		+	{{hilite \| Mineral wool insulation panels must be fastened or adhered according to the manufacturer’s published instructions and tested assemblies, but in any event must conform to the options shown in the table below. \|\| 2018-June-29 }}
		+	<br>
		+
		+	::<big>{{hilite \| '''Permissible Conventional Roof Assembly - Mineral Wool Insulation''' \|\| 2018-June-29 }}</big>
		+	[[File:7.2.2 Mineral Wool Insulation (table).jpg\|left\|700px]]
		+	<div style="clear: both"></div>
		+	<br>
		+	{{hilite \| A Non-Coated Mineral Wool Base Insulation layer is permissible only by mechanically fastening, but may not have additional insulation layers adhered to it. \|\| 2018-June-29 }}
		+
		+	<sup>††</sup> {{hilite \| NOTE: All conventional roof systems with an overburden (see \|\| 2018-June-29 }} [http://rpm.rcabc.org/index.php?title=RoofStar_Guarantee_Standards_for_SBS_Roof_Systems#SBSGARDEN '''10.1.1''' & '''10.1.2''']{{hilite \|)require a ½” cover board over the top layer of insulation, regardless of its type. Adhere cover board only if top insulation layer is bitumen-coated. \|\| 2018-June-29 }}

	===Application===		===Application===

@@ Line 12: / Line 12: @@
 ===Application===
-# <span class="principles">The edges of insulation boards should be square, flush and have moderate contact with the edges of adjacent insulation boards. </span>End joints between adjacent insulation boards should be staggered.
+# <span class="principles">The edges of insulation boards should be square, flush and have moderate contact with the edges of adjacent insulation boards. </span>End joints between adjacent insulation boards must be staggered.
-# <span class="principles">For heat sensitive insulation and heat insensitive foamed insulation, '''''RoofStar Guarantee Standards''''' should be consulted for fibreboard overlay requirements for a '''''RoofStar 5-Year Roofing Guarantee''''' or a '''''RoofStar 10-Year Roofing Guarantee'''''.</span>
+# <span class="principles">On steel roof decks, deck flutes and felts should normally run in parallel alignment and be perpendicular to the roof slope.  Insulation boards should be firmly supported by steel deck flanges. When only one layer of insulation is installed, the long dimension of insulation boards should not cantilever over steel deck flutes.</span>
 # <p class="principles">The specifier should not simply reference the thermal performance for a roof assembly by specifying the total R-value. The generic type, thickness, C-value, and applicable standards of the insulation required for application should also be specified.</p>
 ==== Layering ====

@@ Line 27: / Line 27: @@
 Insulation board joints are to be offset or staggered 300 mm (12") from adjacent layers and rows.
-<div class="principles">A minus offset tolerance of 50 mm (2") maximum will be permitted to compensate for variance in manufactured tolerance of differing insulation board widths and lengths. The exception is sloped insulation boards that are generally installed soldiered fashion to adjacent rows; and the first layer of overlay board over heat sensitive insulation to facilitate joint taping.</div>
+<span class="principles">A minus offset tolerance of 50 mm (2") maximum will be permitted to compensate for variance in manufactured tolerance of differing insulation board widths and lengths. The exception is sloped insulation boards that are generally installed soldiered fashion to adjacent rows; and the first layer of overlay board over heat sensitive insulation to facilitate joint taping.</span>  However, the uppermost layer of insulation or overlay board directly below membranes shall have joints that are offset/staggered from adjacent layers and rows.
 * utilize self-adhering seams for flame protection,
 * are mechanically attached over decks listed by the membrane manufacturer, and
 * are specifically accepted by the '''''RoofStar Guarantee Program'''''
+may be installed as a single layer overlay board over heat sensitive insulation.</div>
 ==== Nailing Strips ====

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 </p>
-All square edge flat format insulation boards greater than 67.5mm (2.7”) in thickness shall be installed in multiple layers. Multi layering of plastic foam insulation is required for all adhered, mechanically attached, and ballasted low slope roof assemblies. In addition, all slope format plastic foam insulation boards greater than 150mm (6”) in thickness shall be installed in multiple staggered layers or alternatively, be installed under two (2) offset/staggered layers of RoofStar-accepted insulation overlay boards.
+All square edge flat format insulation boards greater than 67.5mm (2.7”) in thickness shall be installed in multiple layers. With the exception of systems that include tapered insulation, individual layers are not to exceed 60% of total insulation/overlay board assembly.  Multi layering of plastic foam insulation is required for all adhered, mechanically attached, and ballasted low slope roof assemblies. In addition, all slope format plastic foam insulation boards greater than 150mm (6”) in thickness shall be installed in multiple staggered layers or alternatively, be installed under two (2) offset/staggered layers of RoofStar-accepted insulation overlay boards.
 Insulation board joints are to be offset or staggered 300 mm (12") from adjacent layers and rows.

@@ Line 44: / Line 44: @@
 <p class="principles">Consult the membrane manufacturer's published data for slope limitations.</p>
-<p class="reference">Nailing strips are not required for use on RoofStar-accepted in-seam mechanically-fastened bituminous or non-bituminous flexible membrane systems. Heat welded or self-adhered SBS modified bituminous systems may be used without nailing strips provided RoofStar-accepted in seam fastener patterns are used throughout all base sheet seams (minimum 24" o/c) and head laps (minimum of 3 fasteners). All layers of insulation are recommended be additionally secured with polyurethane foam adhesive.</p>
+<span class="reference">Nailing strips are not required for use on RoofStar-accepted in-seam mechanically-fastened bituminous or non-bituminous flexible membrane systems. Heat welded or self-adhered SBS modified bituminous systems may be used without nailing strips provided RoofStar-accepted in seam fastener patterns are used throughout all base sheet seams (minimum 24" o/c) and head laps (minimum of 3 fasteners).</span>  <span class="recommended">All layers of insulation are recommended be additionally secured with polyurethane foam adhesive.
 ==== Mechanical Fastening ====

@@ Line 9: / Line 9: @@
 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.
-See also [http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.7Polyisocyanurate  '''Storage and Handling'''] notes under Insulating the Roof in the [http://rpm.rcabc.org/index.php?title=Design_Considerations '''''Essential Elements'''''] section of this Manual.
+See also [http://{{SERVERNAME}}/index.php?title=Insulating_the_Roof#3.7Polyisocyanurate  '''Storage and Handling'''] notes under the Polyisocyanurate section of '''''Insulating the Roof''''' in the [http://rpm.rcabc.org/index.php?title=Design_Considerations '''''Essential Elements'''''] section of this Manual.
 ===Application===