Difference between revisions of "SBS Mechanical Equipment Curb"

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Difference between revisions of "SBS Mechanical Equipment Curb"

(RELATED WORK BY OTHERS)
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
;(1) Gypsum Overlay Board:
+
;(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.
:Required when insulation is too thin to span flutes of steel decking (See <i>RGC Guarantee Standard A2.5</i>) or when required as thermal barrier by design authority.
+
;(2) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSVAPOUR|'''Vapour Retarder''']]: If required by design authority.
;(2) Vapour Retarder:
+
;(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.
:If required by design authority.
+
;(4) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSINSULATIONOVERLAY|'''Insulation Overlay Board''']]: As required.
;(3) Insulation:
+
;(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's specification. Torching directly to wood surfaces is not permitted.
:Mechanically fastened where possible. (See Section 2.2 for accepted materials and Guarantee Standard A4.4).
+
;(6) [[RoofStar Guarantee Standards for SBS Roof Systems#SBS-STRIPPING|'''Base Sheet Flashing''']]: Adhered according to manufacturer's specifications, using cold adhesive, hot asphalt, self-adhered or torch applied to cover boards, or mechanically attached membrane. Must be tucked under metal flange and mechanically attached to nailing strip.
;(4) Insulation Overlay:
+
;(7) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSBASE|'''Cap Sheet''']]: Applied according to manufacturer's printed instructions and to <i>RoofStar Guarantee Standards</i>.
:As required. See <i>RGC Guarantee Standard C4.1</i>
+
;(8) [[RoofStar Guarantee Standards for SBS Roof Systems#SBS-STRIPPING|'''Cap Sheet Flashing''']]: Applied according to manufacturer's printed instructions and to <i>RoofStar Guarantee Standards</i>. Must be tucked under metal flange and mechanically attached to the nailing strip.
;(5) Base Sheet:
+
;(9) [[RoofStar Guarantee Standards for SBS Roof Systems#METALCAP-SBS|'''Metal Base Flashing''']]: Mechanically fasten, standing seam at corners. Full width base flashing optional on flexible membranes. Partial skirt flashing minimum 75 mm (3") required on mechanical curbs that require flashing under metal flange.
: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.
 
;(6) Base Sheet Flashing:
 
:Adhered according to manufacturer&#8217;s specifications, using cold adhesive, hot asphalt, self-adhered or torch applied to cover boards, or mechanically attached membrane. Must be tucked under metal flange and mechanically attached to nailing strip. (See <i>RGC Guarantee Standards</i> Section 2.1.1, A5.6, and Section 2.1.3, C8.5).
 
;(7) Cap Sheet:
 
:Applied according to manufacturer&#8217;s printed instructions and to <i>RGC Guarantee Standards</i>.
 
;(8) Cap Sheet Flashing:
 
:Applied according to manufacturer&#8217;s printed instructions and to <i>RGC Guarantee Standards</i>. Must be tucked under metal flange and mechanically attached to the nailing strip.
 
;(9) Metal Base Flashing:
 
:Mechanically fasten, standing seam at corners. Full width base flashing optional on flexible membranes. Partial skirt flashing minimum 75 mm (3") required on mechanical curbs that require flashing under metal flange. (See Detail Section 8.3.5).  
 
  
  
 
=== RELATED WORK BY OTHERS ===
 
=== RELATED WORK BY OTHERS ===
;(A) Acceptable Deck
+
;(A) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSDECKS|'''Acceptable Deck''']]
;(B) Air / Vapour Seal
+
;(B) '''Air / Vapour Seal'''
;(C) Mechanical Curb:
+
;(C) '''Mechanical Curb''': Minimum 200 mm (8") and maximum 300 mm (12") above finished roof surface.
:Minimum 200 mm (8") and maximum 300 mm (12") above finished roof surface.
+
;(D) '''Rigid Insulation'''
;(D) Rigid Insulation
 
  
  

Revision as of 17:29, 5 August 2016


D1.7.7.jpg


1 WORK INCLUDED

(1) Gypsum Deck Overlay
Required when insulation is too thin to span flutes of steel decking or when required as thermal barrier by design authority.
(2) Vapour Retarder
If required by design authority.
(3) Insulation
Mechanically fastened. See available insulation products in the Accepted Materials section of this Manual.
(4) Insulation Overlay Board
As required.
(5) Base Sheet
Adhered to overlay board using asphalt, cold adhesive, self-adhered, mechanical attachment or torch applied according to manufacturer's specification. Torching directly to wood surfaces is not permitted.
(6) Base Sheet Flashing
Adhered according to manufacturer's specifications, using cold adhesive, hot asphalt, self-adhered or torch applied to cover boards, or mechanically attached membrane. Must be tucked under metal flange and mechanically attached to nailing strip.
(7) Cap Sheet
Applied according to manufacturer's printed instructions and to RoofStar Guarantee Standards.
(8) Cap Sheet Flashing
Applied according to manufacturer's printed instructions and to RoofStar Guarantee Standards. Must be tucked under metal flange and mechanically attached to the nailing strip.
(9) Metal Base Flashing
Mechanically fasten, standing seam at corners. Full width base flashing optional on flexible membranes. Partial skirt flashing minimum 75 mm (3") required on mechanical curbs that require flashing under metal flange.


2 RELATED WORK BY OTHERS

(A) Acceptable Deck
(B) Air / Vapour Seal
(C) Mechanical Curb
Minimum 200 mm (8") and maximum 300 mm (12") above finished roof surface.
(D) Rigid Insulation


NOTE
  • Some mechanical curbs are designed to allow membrane flashing to be carried up onto metal flange. Install according to manufacturers’ instructions.
  • Refer to RGC Guarantee Standards for additional requirements





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