Difference between revisions of "SBS Basic Curb"

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Difference between revisions of "SBS Basic Curb"

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<big><big>Division D - Construction Details</big></big>
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<big><big><big><big><big>SBS | Basic Curb ([[SBS_Roof_Systems_Standard#12.3.2.4._Curbs.2C_Sleepers.2C_and_Equipment_Pads | Article 12.3.2.4.]])</big></big></big></big></big>
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<div class="panel panel-success">
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<div class="panel-heading"><big>'''SBS Details'''</big></div>
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<div class="col-md-6">
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[[File:SBS 11.3.3.2-1 Basic Curb.jpg|class=img-responsive | link=http://rpm.rcabc.org/images/f/f5/SBS_11.3.3.2-1_Basic_Curb.jpg]]
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<div class="col-md-6">
 
=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;(1) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSSUBSTRATES|'''Gypsum Deck Overlay''']]: Required when insulation is too thin to span flutes of steel decking or when required as thermal barrier by design authority.
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;(1) [[SBS Roof Systems Standard#PART_5|'''Supporting Deck Overlay''']]: Optional, depending upon deck condition and roof system requirements.
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;(2) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSVAPOUR|'''Vapour Retarder''']]: If required by design authority.
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;(2) [[SBS Roof Systems Standard#PART_6|'''Air or Vapour Control Layer''']]: Installed following the requirements of '''Part 6''' in this Standard.  Tie field layers into curb, ensuring continuity.
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;(3) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSINSULATION|'''Insulation''']]: Mechanically fastened.  See available insulation products in the [[Roof Deck Insulation|'''Accepted Materials''']] section of this Manual.
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;(3) [[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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;(4) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSINSULATIONOVERLAY|'''Insulation Overlay Board''']]: Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation.
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;(4) [[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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;(5) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSBASE|'''Base Sheet''']]: Adhered to overlay board using asphalt, cold adhesive, self-adhered, mechanical attachment or torch applied according to manufacturer&#8217;s specification and to <i>RGC Guarantee Standards</i>. Torching directly to wood surfaces is not permitted.
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;(5) Primer for Base Membrane Flashing: As required by the membrane manufacturer.
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;(6) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSBASE|'''Base Sheet''']]: Adhered according to manufacturer&#8217;s specifications, using cold adhesive, self-adhered, or torch applied to cover boards, or mechanically attached membrane. Torching directly to wood surfaces is not permitted.  
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;(6) [[SBS Roof Systems Standard#PART_9|'''Base Membrane (field)''']]: Mechanically attached, torch-applied, adhered or self-adhered.  See Table 9.1. for acceptable membrane types and securement options.  See Section 9.3. for application requirements.
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;(7) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSBASE|'''Cap Sheet''']]: Applied according to manufacturer&#8217;s printed instructions and to <i>RoofStar Guarantee Standards</i>.
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;(7) [[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).
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;(8) [[RoofStar Guarantee Standards for SBS Roof Systems#SBS-STRIPPING|'''Cap Sheet Flashing''']]: Applied according to manufacturer&#8217;s printed instructions and to <i>RoofStar Guarantee Standards</i> to top of curb.
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;(8) [[SBS Roof Systems Standard#PART_9|'''Cap Membrane (field)''']]: Granule-surfaced membrane.  See Table 9.1. for acceptable cap membrane types and their securement options.  See Section 9.3. for application requirements.
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;(9) [[RoofStar Guarantee Standards for SBS Roof Systems#METALCAP-SBS|'''Metal Flashing''']]: As required by ''RoofStar Guarantee Standards''.
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;(9) [[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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;(10)[[SBS Roof Systems Standard#PART_13|'''Metal Counter-flashing''']]: Secure metal flashings with appropriate fasteners set at least 87 mm (3 ½”) above the finished roof surface.
  
 
<hr>
 
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=== RELATED WORK BY OTHERS ===
 
=== RELATED WORK BY OTHERS ===
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;(A) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSDECKS|'''Acceptable Deck''']]
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;(A) [[SBS Roof Systems Standard#PART_2|'''Acceptable Supporting Deck Structure''']]
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;(B) '''Air / Vapour Seal'''
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;(B) Curb
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;(C) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSWOODBLOCKING|'''Wood Blocking''']]: Minimum 200 mm (8") in height. (See asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation.  Cant is optional).
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;(C) Insulation
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;(D) Mechanical Unit and Gasket (installed on curb)
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'''NOTE''': Refer to '''''RoofStar Guarantee Standards''''' 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 18:18, 27 October 2023



Division D - Construction Details

SBS | Basic Curb ( Article 12.3.2.4.)

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 11.3.3.2-1 Basic Curb.jpg

1 WORK INCLUDED

(1) Supporting Deck Overlay
Optional, depending upon deck condition and roof system requirements.
(2) Air or Vapour Control Layer
Installed following the requirements of Part 6 in this Standard. Tie field layers into curb, ensuring continuity.
(3) 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.
(4) Insulation Overlay
Subject to the requirements of Part 8 in the RoofStar Guarantee Standards for the membrane system type.
(5) Primer for Base Membrane Flashing
As required by the membrane manufacturer.
(6) Base Membrane (field)
Mechanically attached, torch-applied, adhered or self-adhered. See Table 9.1. for acceptable membrane types and securement options. See Section 9.3. for application requirements.
(7) 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).
(8) Cap Membrane (field)
Granule-surfaced membrane. See Table 9.1. for acceptable cap membrane types and their securement options. See Section 9.3. for application requirements.
(9) Cap Membrane (flashing)
Extended vertically past the termination of the base membrane flashing, to provide a positive seal at the top edge.
(10)Metal Counter-flashing
Secure metal flashings with appropriate fasteners set at least 87 mm (3 ½”) above the finished roof surface.

2 RELATED WORK BY OTHERS

(A) Acceptable Supporting Deck Structure
(B) Curb
(C) Insulation
(D) Mechanical Unit and Gasket (installed on curb)

NOTE: See the Standard for additional requirements.

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