Difference between revisions of "SBS Conventionally Insulated System (typical)"

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Difference between revisions of "SBS Conventionally Insulated System (typical)"

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<big><big>Division D - Construction Details</big></big>
 
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<big><big><big><big><big>SBS | Conventionally Insulated System (Typical) ([[SBS_Roof_Systems_Standard#1.1.3.1._Permitted_Roof_Systems | Article 1.1.3.1.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''SBS Details'''</big></div>
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[[File:SBS Conv. Insulated Assy (Typical) MKD.png|class=img-responsive | link=https://rpm.rcabc.org/images/b/b6/SBS_Conv._Insulated_Assy_%28Typical%29_MKD.png]]
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;[[RoofStar Guarantee Standards for SBS Roof Systems#Low Slope Substrates|'''Gypsum Board''']]:  
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;(1) [[SBS Roof Systems Standard#PART_6|'''Air or Vapour Control Layer''']]: Installed following the requirements of '''Part 6''' in this Standard.
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:Required when insulation is too thin to span flutes of steel decking (see <i>RGC </i><i>Guarantee Standard A2.5</i>) or when required as a thermal barrier by design authority.
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;(2) [[SBS Roof Systems Standard#PART_7|'''Insulation''']]: Installed in staggered and offset layers (not illustrated), and secured in accordance with the design of the system, which is based on the ''British Columbia Building Code'', Part 4 and Part 5, and on Part 3 of the '''''RoofStar Guarantee Standards''''' for the membrane system type.
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;[[RoofStar Guarantee Standards for SBS Roof Systems#Vapour Retarders|'''Vapour Retarder''']]:
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;(3) [[SBS Roof Systems Standard#PART_8|'''Insulation Overlay''']]: Subject to the requirements of '''Part 8''' in the '''''RoofStar Guarantee Standards''''' for the membrane system type.
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:If required by design authority.
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;(4) [[SBS Roof Systems Standard#PART_9|'''Base Membrane (field)''']]: Mechanically attached, torch-applied, adhered or self-adhered. See Tables '''9.1''' and '''9.2''' for acceptable membrane types and securement options.  See '''9.3''' for application requirements.
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;[[RoofStar Guarantee Standards for SBS Roof Systems#Insulation|'''Insulation''']]:
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;(5) [[SBS Roof Systems Standard#PART_10|'''Base Membrane (flashing)''']]: Carried vertically up a wall or parapet at least 200 mm (8”), and onto the roof field at least 100 mm (4”) (greater if required by the membrane manufacturer). Prime as required ('''5a''').
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:Mechanically fastened. (See Section 2.2 for accepted materials<i> </i>and Section 2.1.1<i> RGC Guarantee Standards A4.3</i> and<i> A4.4.2).</i>
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;(6) [[SBS Roof Systems Standard#PART_9|'''Cap Membrane (field)''']]: Granule-surfaced membrane.  See Tables '''9.1''' and '''9.2''' for acceptable membrane types and securement options.  See '''9.3''' for application requirements.
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;[[RoofStar Guarantee Standards for SBS Roof Systems#Insulation Overlay|'''Insulation Overlay Board''']]:
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;(7) [[SBS Roof Systems Standard#PART_10|'''Cap Membrane (flashing)''']]: Extended vertically past the termination of the base membrane flashing, to provide a positive seal at the top edge.
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:Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation. (See <i>RGC </i><i>Guarantee Standard C4.1</i>)
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;(8) [[SBS Roof Systems Standard#PART_10|'''Membrane termination''']]: Vertically applied membranes must be terminated following the options provided for in '''10.3.1.2''' ('''9''').  See also Figure '''10.1a''' et al in '''Part 10'''.
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;[[RoofStar Guarantee Standards for SBS Roof Systems#SBS Membranes|'''Base Sheet''']]:
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:Adhered to overlay board using asphalt, cold adhesive, self-adhered, mechanical attachment or torch applied according to manufacturer&#8217;s specification. Torching directly to wood surfaces is not permitted.
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<hr>
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;[[RoofStar Guarantee Standards for SBS Roof Systems#SBS Membrane Flashings|'''Base Sheet Flashing''']]:
 
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:Adhered according to manufacturer&#8217;s specifications using cold adhesive, hot asphalt self-adhered or torch applied to cover boards, or mechanically attached membrane. Torching directly to wood surfaces is not permitted. Must be carried over to outside of parapet or minimum 200 mm (8") above finished roof surface. (See <i>RGC </i><i>Guarantee Standards</i> Section 2.1.1, A5.6, and Section 2.1.3, C8.5).
 
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;[[RoofStar Guarantee Standards for SBS Roof Systems#SBS Membranes|'''Cap Sheet''']]:
 
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:Applied according to manufacturer&#8217;s printed instructions, all options.
 
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;[[RoofStar Guarantee Standards for SBS Roof Systems#SBS Membrane Flashings|'''Cap Sheet Flashing''']]:
 
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:Applied according to manufacturer&#8217;s printed instructions to top of parapet or minimum 200 mm (8") above finished roof surface. All options.
 
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;[[RoofStar Guarantee Standards for SBS Roof Systems#Low Slope Metal Flashings|'''Metal Flashing''']]:
 
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:As required by <i>RGC </i><i>Guarantee Standards</i>. (See <i>RGC Guarantee Standard</i> A6.9 and A6.10)
 
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;Primer:
 
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:Prime wood substrate to receive self-adhesive base membrane stripping.
 
  
 
=== RELATED WORK BY OTHERS ===
 
=== RELATED WORK BY OTHERS ===
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;(A) [[RoofStar Guarantee Standards for SBS Roof Systems#Low Slope Substrates|'''Acceptable Steel Deck''']]:
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;(A) [[SBS Roof Systems Standard#PART_2|'''Acceptable Deck Structure''']]:
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;(B) Plywood Backing:
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;(B) Wall System
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:Required on rough surfaces or where adhesive is asphalt. Must be primed.
 
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;(C) Wood Blocking:
 
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:Sloped to roof where parapet is over 100 mm (4") in width. Must be primed.
 
  
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NOTE: Refer to <i>RGC Guarantee Standards</i> for additional requirements.]
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'''NOTE''': See the [[SBS Roof Systems Standard | '''Standard''']] for additional requirements.
  
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Latest revision as of 14:29, 18 October 2024



Division D - Construction Details

SBS | Conventionally Insulated System (Typical) ( Article 1.1.3.1.)

Notice to Reader
Images used in a Construction Detail are representative and not prescriptive, and are not necessarily drawn to scale. They are intended to support the related Standard (Ref. Division A, Article 2.2.1.2.).

The reader may link to the related Article in the detail title, or link to the Standard as it relates to a specific element in the detail. All hyperlinks are displayed blue text.

SBS Details

SBS Conv. Insulated Assy (Typical) MKD.png

1 WORK INCLUDED

(1) Air or Vapour Control Layer
Installed following the requirements of Part 6 in this Standard.
(2) Insulation
Installed in staggered and offset layers (not illustrated), and secured in accordance with the design of the system, which is based on the British Columbia Building Code, Part 4 and Part 5, and on Part 3 of the RoofStar Guarantee Standards for the membrane system type.
(3) Insulation Overlay
Subject to the requirements of Part 8 in the RoofStar Guarantee Standards for the membrane system type.
(4) Base Membrane (field)
Mechanically attached, torch-applied, adhered or self-adhered. See Tables 9.1 and 9.2 for acceptable membrane types and securement options. See 9.3 for application requirements.
(5) Base Membrane (flashing)
Carried vertically up a wall or parapet at least 200 mm (8”), and onto the roof field at least 100 mm (4”) (greater if required by the membrane manufacturer). Prime as required (5a).
(6) Cap Membrane (field)
Granule-surfaced membrane. See Tables 9.1 and 9.2 for acceptable membrane types and securement options. See 9.3 for application requirements.
(7) Cap Membrane (flashing)
Extended vertically past the termination of the base membrane flashing, to provide a positive seal at the top edge.
(8) Membrane termination
Vertically applied membranes must be terminated following the options provided for in 10.3.1.2 (9). See also Figure 10.1a et al in Part 10.

2 RELATED WORK BY OTHERS

(A) Acceptable Deck Structure
(B) Wall System

NOTE: See the Standard for additional requirements.

Back to "SBS" Roof System Details

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