Difference between revisions of "Draft CD 1"

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Difference between revisions of "Draft CD 1"

(Created page with "{| class="wikitable" | style="color: black; background-color: orange; width: 100%;text-align:center" | colspan="2" | <big>'''''RoofStar Guarantee Standards''''' are <span sty...")
 
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::Click below for a printable version of this page.
 
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:[[File:Pdf.png|100 px|link=http://rpm.rcabc.org/images/5/54/D1.7.1-1_Print_Sheet.pdf|'''Print Sheet''']]
 
 
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;(1) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSSUBSTRATES|'''Supporting Deck Overlay''']]: Required when insulation is too thin to span flutes of steel decking or when required as a thermal barrier by design authority.
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;(1) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#METALCAP-SBS|'''Metal Cap Flashing''']]: Fabricate and install in keeping with the Standards in Part '''13 METAL FLASHINGS'''.  Base membrane must extend across the top of the parapet (to waterproof the structure and separate the metal from moisture-susceptible substrates) and extend down the outside face of the parapet at least 50 mm (2”). Edges must be hemmed (1a), although a kicked-out drip edge is optional (see '''13.3.2''' ('''1''') '''Fabrication''').
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;(2) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSAIRVAPOUR|'''Air or Vapour Control Layers''']]: If required by design authority.
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;(2) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSMETALFASTENER|'''Fasteners''']]: Select for compatibility with metal flashing, membrane and substrate (see '''13.2.3 Fasteners''').
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;(3) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSINSULATION|'''Insulation''']]: Mechanically fastened.
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;(3) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSMETALSECUREMENT|'''Clips''']]: Install cap flashings using a continuous or discontinuous metal ‘wind’ clip affixed to the outside face of the parapet, or to the top of the parapet (see Alternate illustration). Fasten the clip following the standards in both '''13.3.3 Securement''' and '''13.3.5 Cap, Counter and Base Flashings'''.
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;(4) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSINSULATIONOVERLAY|'''Insulation Overlay''']]: Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation.
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;(4) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSMETALSEAM|'''Seam''']]: Must be either a Standing Seam (illustrated) or an S-lock (single or double – see inset illustrations).  The use of acceptable seams allows for multi-directional expansion and contraction of sheet metal.
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;(5) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSBASE|'''Base Sheet''']]: 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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;(6) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBS-STRIPPING|'''Base Membrane 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. 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.
 
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;(7) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSBASE|'''Cap Sheet''']]: Applied according to manufacturer&#8217;s printed instructions, all options.
 
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;(8) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBS-STRIPPING|'''Cap Membrane Flashing''']]: 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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;(9) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#METALCAP-SBS|'''Metal Flashing''']]: As required by ''RoofStar Guarantee Standards''.
 
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;(10) '''Primer''': Prime wood substrate to receive self-adhesive base membrane stripping.
 
  
 
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=== RELATED WORK BY OTHERS ===
 
=== RELATED WORK BY OTHERS ===
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;(A) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBS-STEELDECK|'''Acceptable Supporting Steel Deck Structure''']]:
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;(A) '''Parapet Structure''':
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;(B) '''Plywood Backing''':  
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;(B) '''Parapet woodwork (sloped toward roof surface''':  
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:Required on rough surfaces or where adhesive is asphalt. Must be primed.
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;(C) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSSLOPEDWOODBLOCKING|'''Sloped 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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Revision as of 15:22, 11 February 2020

RoofStar Guarantee Standards are blue-linked
SBS Details

1 WORK INCLUDED

(1) Metal Cap Flashing
Fabricate and install in keeping with the Standards in Part 13 METAL FLASHINGS. Base membrane must extend across the top of the parapet (to waterproof the structure and separate the metal from moisture-susceptible substrates) and extend down the outside face of the parapet at least 50 mm (2”). Edges must be hemmed (1a), although a kicked-out drip edge is optional (see 13.3.2 (1) Fabrication).
(2) Fasteners
Select for compatibility with metal flashing, membrane and substrate (see 13.2.3 Fasteners).
(3) Clips
Install cap flashings using a continuous or discontinuous metal ‘wind’ clip affixed to the outside face of the parapet, or to the top of the parapet (see Alternate illustration). Fasten the clip following the standards in both 13.3.3 Securement and 13.3.5 Cap, Counter and Base Flashings.
(4) Seam
Must be either a Standing Seam (illustrated) or an S-lock (single or double – see inset illustrations). The use of acceptable seams allows for multi-directional expansion and contraction of sheet metal.

2 RELATED WORK BY OTHERS

(A) Parapet Structure
(B) Parapet woodwork (sloped toward roof surface

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.



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Back to SBS Modified Bitumen Construction Details

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