Template:All Systems - INSULATION OVERLAY BOARD EPDM - Revision history

James Klassen: /* Adhering */

2017-08-22T17:05:05Z

‎Adhering

James Klassen: /* Adhering */

2017-04-06T14:22:08Z

‎Adhering

James Klassen: /* Adhering */

2017-02-07T16:28:31Z

‎Adhering

James Klassen: /* Adhering */

2017-01-26T19:56:16Z

‎Adhering

James Klassen: /* Adhering */

2017-01-25T21:25:55Z

‎Adhering

James Klassen: James Klassen moved page Template:All Systems - INSULATION OVERLAY BOARD EPDM, TPO to Template:All Systems - INSULATION OVERLAY BOARD EPDM

2017-01-23T19:38:16Z

James Klassen moved page Template:All Systems - INSULATION OVERLAY BOARD EPDM, TPO to Template:All Systems - INSULATION OVERLAY BOARD EPDM

James Klassen: /* Adhering */

2017-01-23T19:27:45Z

‎Adhering

James Klassen: /* General */

2017-01-18T18:21:17Z

‎General

James Klassen: /* General */

2017-01-18T18:21:01Z

‎General

James Klassen: /* Adhering */

2016-12-14T16:55:23Z

‎Adhering

@@ Line 45: / Line 45: @@
 When asphaltic membranes are adhered (using hot asphalt, cold adhesives, or when applied with a torch), {{hilite | at least one layer of || 2018-January-25 }} overlay board is required over all types of insulation.  {{hilite | The exception to this requirement is mineral wool insulation used in a single or multi-layered adhered or partially adhered insulation assembly, where the top surface of the uppermost insulation layer incorporates an impregnated bitumen surface to which an asphaltic membrane may be torch welded, mop-applied or cold-adhered. || 2018-January-25 }}
-'''Conventionally insulated roof assemblies''' are required to have a minimum 12.5mm (½") adhered approved RoofStar-accepted gypsum overlay board, and insulation boards with a minimum compressive strength of 20 psi, under the roof membrane for [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMEXTENSIVE|'''Extensive Vegetated Systems''']] (less than 200 mm, 8" in depth).  [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMINTENSIVE|'''Intensive Vegetative Roof Assemblies''']] in excess of 200 mm (8") or more in depth are not permitted over conventionally insulated roof systems.
+'''Conventionally insulated roof assemblies''' are required to have a minimum 12.5mm (½") adhered approved RoofStar-accepted gypsum overlay board, and insulation boards with a minimum compressive strength of 20 psi, under the roof membrane for [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMEXTENSIVE|'''Extensive Vegetated Systems''']] (less than 150 mm, 6" in depth).  [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMINTENSIVE|'''Intensive Vegetative Roof Assemblies''']] in excess of 150 mm (6") or more in depth are not permitted over conventionally insulated roof systems.
 {{hilite | Note the following restrictions and conditions, which apply to the above: || 2018-January-25 }}

@@ Line 57: / Line 57: @@
 :'''A. Single layer system:''' When insulation is installed as a single layer, protection under or over the cover board is required. Install the insulation and cover board with the proprietary accepted adhesive. Seal over all board joints and wall transitions with membrane manufacturer's approved self-adhered membrane tape.
-:'''B. Two layer system:''' When using a hot-applied adhesive, back mop and flop first layer of overlay board, or use manufacturer's accepted proprietary adhesives per published directions, offsetting the joints from those of the insulation. Tape the joints before applying the second layer, offsetting the joints from both layers below.  Finally, tape joints and install second layer offsetting the joints from those of the layer below.
+:'''B. Two layer system:''' When using a hot-applied adhesive, back mop and flop first layer of overlay board, or use manufacturer's accepted proprietary adhesives per published directions, offsetting the joints from those of the insulation. Tape the joints before applying the second layer, offsetting the joints from both layers below.
 Alternatively, the membrane manufacturer's proprietary insulation adhesives may be used to adhere accepted cover boards and insulation.

@@ Line 45: / Line 45: @@
 When asphaltic membranes are adhered (using hot asphalt, cold adhesives, or when applied with a torch), {{hilite | at least one layer of || 2018-January-25 }} overlay board is required over all types of insulation.  {{hilite | The exception to this requirement is mineral wool insulation used in a single or multi-layered adhered or partially adhered insulation assembly, where the top surface of the uppermost insulation layer incorporates an impregnated bitumen surface to which an asphaltic membrane may be torch welded, mop-applied or cold-adhered. || 2018-January-25 }}
-Conventionally insulated roof assemblies are required to have a minimum 12.5mm (½") adhered approved RoofStar-accepted gypsum overlay board, and insulation boards with a minimum compressive strength of 20 psi, under the roof membrane for [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMEXTENSIVE|'''Extensive Vegetated Systems''']] (less than 200 mm, 8" in depth).  [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMINTENSIVE|'''Intensive Vegetative Roof Assemblies''']] in excess of 200 mm (8") or more in depth are not permitted over conventionally insulated roof systems.
+'''Conventionally insulated roof assemblies''' are required to have a minimum 12.5mm (½") adhered approved RoofStar-accepted gypsum overlay board, and insulation boards with a minimum compressive strength of 20 psi, under the roof membrane for [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMEXTENSIVE|'''Extensive Vegetated Systems''']] (less than 200 mm, 8" in depth).  [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMINTENSIVE|'''Intensive Vegetative Roof Assemblies''']] in excess of 200 mm (8") or more in depth are not permitted over conventionally insulated roof systems.
 {{hilite | Note the following restrictions and conditions, which apply to the above: || 2018-January-25 }}

@@ Line 50: / Line 50: @@
 * {{hilite | flame protection may be required where only one layer of insulation is specified. || 2018-January-25 }}
 * {{hilite | where mineral wool insulation is mechanically fastened through the uppermost insulation layer, an adhered non-flammable cover board with a thickness of no less than 12.5 mm (1/2”) is mandatory, to prevent fastener penetration of the adhered membrane. A cover board is not required where only the bottom layer of a multi-layer mineral wool insulation assembly is mechanically fastened. || 2018-January-25 }}
+<br>
 The following standards, principles and information also apply:

@@ Line 43: / Line 43: @@
 ==== Adhering ====
-When asphaltic membranes are adhered (using hot asphalt, cold adhesives, or when applied with a torch), an overlay board is required over all types of insulation.
+When asphaltic membranes are adhered (using hot asphalt, cold adhesives, or when applied with a torch), {{hilite | at least one layer of || 2018-January-25 }} overlay board is required over all types of insulation.  {{hilite | The exception to this requirement is mineral wool insulation used in a single or multi-layered adhered or partially adhered insulation assembly, where the top surface of the uppermost insulation layer incorporates an impregnated bitumen surface to which an asphaltic membrane may be torch welded, mop-applied or cold-adhered. || 2018-January-25 }}
 Conventionally insulated roof assemblies are required to have a minimum 12.5mm (½") adhered approved RoofStar-accepted gypsum overlay board, and insulation boards with a minimum compressive strength of 20 psi, under the roof membrane for [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMEXTENSIVE|'''Extensive Vegetated Systems''']] (less than 200 mm, 8" in depth).  [[RoofStar Guarantee Standards for EPDM Roof Systems#EPDMINTENSIVE|'''Intensive Vegetative Roof Assemblies''']] in excess of 200 mm (8") or more in depth are not permitted over conventionally insulated roof systems.
-In addition, the following standards, principles and information apply:
+{{hilite | Note the following restrictions and conditions, which apply to the above: || 2018-January-25 }}
-'''Heat Sensitive Insulation:''' On all heat sensitive insulation (polystyrene, extruded, and expanded), an overlay consisting of two layers of acceptable cover board is to be used when using hot-applied adhesive, or where the cover board is less than 1/2" in thickness on torch applied assemblies.
+The following standards, principles and information also apply:
 :'''A. Single layer system:''' When insulation is installed as a single layer, protection under or over the cover board is required. Install the insulation and cover board with the proprietary accepted adhesive. Seal over all board joints and wall transitions with membrane manufacturer's approved self-adhered membrane tape.

← Older revision	Revision as of 19:38, 23 January 2017
(No difference)

@@ Line 1: / Line 1: @@
 __NOTOC__
 === General ===
-RoofStar-accepted insulation overlay boards shall be installed over all plastic foam insulations (EPS, XEPS, Polyisocyanurate) on all adhered low slope roofing systems. When heat sensitive insulations (EPS,XEPS) are used with heat welded membrane seams an accepted overlay board must be installed.  Overlay board thickness shall not exceed 50mm (2″).
+RoofStar-accepted insulation overlay boards shall be installed over all plastic foam insulations (EPS, XEPS, Polyisocyanurate) on all adhered low slope roofing systems. When heat sensitive insulations (EPS,XEPS) are used with heat welded membrane seams an accepted overlay board must be installed.  Overlay board thickness shall not exceed 50mm (2″).  Fibreboard shall not be used with flame-welded seams.
 === Layering ===