Template:ROOF PENETRATIONS and DRAINS (EPDM, TPO) - Revision history

James Klassen: /* {{hilite | Flange-type Roof Drains || 2018-January-25 }} */

2017-03-30T15:50:42Z

‎{{hilite | Flange-type Roof Drains || 2018-January-25 }}

James Klassen: /* Roof Drains and Scuppers */

2017-01-26T16:32:49Z

‎Roof Drains and Scuppers

James Klassen: /* Roof Drains and Scuppers */

2016-12-21T19:25:44Z

‎Roof Drains and Scuppers

James Klassen: /* Drains */

2016-12-21T19:23:16Z

‎Drains

James Klassen: /* Strip-in Type Vents */

2016-11-24T23:12:39Z

‎Strip-in Type Vents

James Klassen: /* Scuppers */

2016-10-17T21:19:53Z

‎Scuppers

James Klassen at 15:52, 29 September 2016

2016-09-29T15:52:54Z

James Klassen: /* Strip-in Flashings */

2016-09-13T15:06:41Z

‎Strip-in Flashings

James Klassen: /* Strip-in Flashings */

2016-09-13T15:03:36Z

‎Strip-in Flashings

James Klassen: /* Strip-in Flashings */

2016-09-07T18:44:21Z

‎Strip-in Flashings

← Older revision		Revision as of 15:50, 30 March 2017
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−	All flange type roof drains shall be constructed of non-ferrous material {{hilite \| and include a primary drain strainer. \|\| 2018-January-25 }} Flanged copper drains shall be formed from a minimum weight of 16 oz. sheet copper for external (on outside of walls) drains and 24 oz. sheet copper for internal (inside walls or buildings) drains. The minimum gauge for aluminium sheet to be used for roof drains shall be 20 gauge for external use and 12 gauge for internal use. In addition, the trade supplying roof drains must also provide secondary stainless steel debris strainers in addition to primary drain strainers on all roofing systems that utilize gravel ballast and or growing mediums (soil).	+	All flange type roof drains shall be constructed of non-ferrous material {{hilite \| and include a primary drain strainer. \|\| 2018-January-25 }} Flanged copper drains shall be formed from a minimum weight of 16 oz. sheet copper for external (on outside of walls) drains and 24 oz. sheet copper for internal (inside walls or buildings) drains. The minimum gauge for aluminium sheet to be used for roof drains shall be 20 gauge for external use and 12 gauge for internal use.

	{{hilite \| On all roofing systems that utilize gravel ballast and or growing mediums (soil), the trade supplying roof drains must also provide secondary stainless steel debris strainers. \|\| 2018-January-25 }} Only the use of drain manufacturer’s proprietary secondary stainless steel debris strainers is acceptable.		{{hilite \| On all roofing systems that utilize gravel ballast and or growing mediums (soil), the trade supplying roof drains must also provide secondary stainless steel debris strainers. \|\| 2018-January-25 }} Only the use of drain manufacturer’s proprietary secondary stainless steel debris strainers is acceptable.

@@ Line 41: / Line 41: @@
 === Roof Drains and Scuppers ===
 Roof drains and other roof accessories are to be installed as per membrane manufacturer's instructions.
-====Drains====
+===={{hilite | Internal Roof || 2018-January-25 }} Drains====
 When cast-iron roof drains are used; a sump receiver and under-deck clamp must be provided and installed by the trade supplying the roof drain. In addition, the trade supplying roof drains must also provide secondary stainless steel debris strainers in addition to primary drain strainers on all roofing systems that utilize gravel ballast and or growing mediums (soil). Only the use of drain manufacturer’s proprietary secondary stainless steel debris strainers is acceptable.
-All flange type roof drains shall be constructed of non-ferrous material. Flanged copper drains shall be formed from a minimum weight of 16 oz. sheet copper for external (on outside of walls) drains and 24 oz. sheet copper for internal (inside walls or buildings) drains. The minimum gauge for aluminium sheet to be used for roof drains shall be 20 gauge for external use and 12 gauge for internal use. In addition, the trade supplying roof drains must also provide secondary stainless steel debris strainers in addition to primary drain strainers on all roofing systems that utilize gravel ballast and or growing mediums (soil). Only the use of drain manufacturer’s proprietary secondary stainless steel debris strainers is acceptable.
+====={{hilite | '''Flange-type Roof Drains''' || 2018-January-25 }}=====
-====Scuppers====
+All {{hilite | scupper drains || 2018-January-25 }} shall be formed with a minimum 37.7 mm (1 ½") lower outside faces than side walls of the water collection boxes and incorporate minimum 12.7 mm (½") drip edges on the lowered outside faces.
-Overflow scuppers shall be installed according to the British Columbia Building Code (latest edition).
+{{hilite | Scupper drains || 2018-January-25 }} shall be installed according to the {{hilite | prevailing municipal building code and || 2018-January-25 }} the British Columbia Building Code (latest edition).
-Overflow scuppers are required when low doorway or window details are used (for cross-reference, see [[SBS Details:D1.7.31 Water & Drainage (Open Wall Scupper)|'''D1.7.31 Water & Drainage (Open Wall Scupper)''']] and [[SBS Details:D1.7.32 Water & Drainage (Through-wall Scupper)|'''D1.7.32 Water & Drainage (Through-wall Scupper)''']])
+====={{hilite | '''Overflows''' || 2018-January-25 }}=====
-All roof scuppers shall be formed with a minimum 37.7 mm (1 ½") lower outside faces than side walls of the water collection boxes and incorporate minimum 12.7 mm (½") drip edges on the lowered outside faces.
+{{hilite | Overflows || 2018-January-25 }} are required when low doorway or {{hilite | low || 2018-January-25 }} window details are used (see [[SBS Details:D1.7.31 Water & Drainage (Open Wall Scupper)|'''D1.7.31 Water & Drainage (Open Wall Scupper)''']] and [[SBS Details:D1.7.32 Water & Drainage (Through-wall Scupper)|'''D1.7.32 Water & Drainage (Through-wall Scupper''')]]).  {{hilite | In these applications, the overflow must be installed at least 1” lower than the elevation of the door or window sill. || 2018-January-25 }}
-On all re-roofing projects all drains connected to internal piping shall be connected by mechanical compression type seals only. “O”- rings, mastics and caulking are not acceptable methods to seal roof drains to internal piping.
+{{hilite | Overflows || 2018-January-25 }} shall be installed according to {{hilite | the prevailing municipal building code and || 2018-January-25 }} the British Columbia Building Code (latest edition).
-Where no overflow scuppers are specified, the structure must be designed to carry the total load of water collected in the event of the failure of roof drains (see BC Building Code, latest edition).  The '''''RoofStar Guarantee Program''''' recommends overflow scuppers be installed where perimeter walls exceed 100 mm (4") in height and accepts no responsibility for roof failure where scuppers are not specified or installed.
+Where no {{hilite | overflows || 2018-January-25 }} are specified, the {{hilite | building || 2018-January-25 }} structure must be designed to carry the total load of water collected {{hilite | on the roof || 2018-January-25 }}, in the event of the failure of roof drains (see BC Building Code, latest edition). {{hilite | The '''''RoofStar Guarantee Program''''' || 2018-January-25 }} accepts no responsibility for roof failure where {{hilite | overflows || 2018-January-25 }} are not specified or installed.
 <div id=METALCAP-EPDM></div>
 <div id=TPOFASCIA></div>
 <div id=EPDMMETALFLASH></div>
 <div id=TPOMETALFLASH></div>

@@ Line 42: / Line 42: @@
 === Roof Drains and Scuppers ===
-<p class="principles">Roof drains and other roof accessories are to be installed as per membrane manufacturer's instructions.</p>
+Roof drains and other roof accessories are to be installed as per membrane manufacturer's instructions.
 ====Drains====
@@ Line 56: / Line 56: @@
 Overflow scuppers are required when low doorway or window details are used (for cross-reference, see [[SBS Details:D1.7.31 Water & Drainage (Open Wall Scupper)|'''D1.7.31 Water & Drainage (Open Wall Scupper)''']] and [[SBS Details:D1.7.32 Water & Drainage (Through-wall Scupper)|'''D1.7.32 Water & Drainage (Through-wall Scupper)''']])
-<p class="principles">All roof scuppers shall be formed with a minimum 37.7 mm (1 ½") lower outside faces than side walls of the water collection boxes and incorporate minimum 12.7 mm (½") drip edges on the lowered outside faces.</p>
+All roof scuppers shall be formed with a minimum 37.7 mm (1 ½") lower outside faces than side walls of the water collection boxes and incorporate minimum 12.7 mm (½") drip edges on the lowered outside faces.
-<p class="principles">On all re-roofing projects all drains connected to internal piping shall be connected by mechanical compression type seals only. “O”- rings, mastics and caulking are not acceptable methods to seal roof drains to internal piping.</p>
+On all re-roofing projects all drains connected to internal piping shall be connected by mechanical compression type seals only. “O”- rings, mastics and caulking are not acceptable methods to seal roof drains to internal piping.
-<p class="principles">Where no overflow scuppers are specified, the structure must be designed to carry the total load of water collected in the event of the failure of roof drains (see BC Building Code, latest edition).  The '''''RoofStar Guarantee Program''''' recommends overflow scuppers be installed where perimeter walls exceed 100 mm (4") in height and accepts no responsibility for roof failure where scuppers are not specified or installed.</p>
+Where no overflow scuppers are specified, the structure must be designed to carry the total load of water collected in the event of the failure of roof drains (see BC Building Code, latest edition).  The '''''RoofStar Guarantee Program''''' recommends overflow scuppers be installed where perimeter walls exceed 100 mm (4") in height and accepts no responsibility for roof failure where scuppers are not specified or installed.
 <div id=METALCAP-EPDM></div>
 <div id=TPOFASCIA></div>
 <div id=EPDMMETALFLASH></div>
 <div id=TPOMETALFLASH></div>

@@ Line 46: / Line 46: @@
 ====Drains====
-<p class="principles">When cast-iron roof drains are used; a sump receiver and under-deck clamp must be provided and installed by the trade supplying the roof drain. In addition, the trade supplying roof drains must also provide secondary stainless steel debris strainers in addition to primary drain strainers on all roofing systems that utilize gravel ballast and or growing mediums (soil). Only the use of drain manufacturer’s proprietary secondary stainless steel debris strainers is acceptable.</p>
+When cast-iron roof drains are used; a sump receiver and under-deck clamp must be provided and installed by the trade supplying the roof drain. In addition, the trade supplying roof drains must also provide secondary stainless steel debris strainers in addition to primary drain strainers on all roofing systems that utilize gravel ballast and or growing mediums (soil). Only the use of drain manufacturer’s proprietary secondary stainless steel debris strainers is acceptable.
-<p class="principles">All flange type roof drains shall be constructed of non-ferrous material. Flanged copper drains shall be formed from a minimum weight of 16 oz. sheet copper for external (on outside of walls) drains and 24 oz. sheet copper for internal (inside walls or buildings) drains. The minimum gauge for aluminium sheet to be used for roof drains shall be 20 gauge for external use and 12 gauge for internal use. In addition, the trade supplying roof drains must also provide secondary stainless steel debris strainers in addition to primary drain strainers on all roofing systems that utilize gravel ballast and or growing mediums (soil). Only the use of drain manufacturer’s proprietary secondary stainless steel debris strainers is acceptable.</p>
+All flange type roof drains shall be constructed of non-ferrous material. Flanged copper drains shall be formed from a minimum weight of 16 oz. sheet copper for external (on outside of walls) drains and 24 oz. sheet copper for internal (inside walls or buildings) drains. The minimum gauge for aluminium sheet to be used for roof drains shall be 20 gauge for external use and 12 gauge for internal use. In addition, the trade supplying roof drains must also provide secondary stainless steel debris strainers in addition to primary drain strainers on all roofing systems that utilize gravel ballast and or growing mediums (soil). Only the use of drain manufacturer’s proprietary secondary stainless steel debris strainers is acceptable.
 ====Scuppers====

@@ Line 17: / Line 17: @@
 === Strip-in Flashings ===
 ==== Strip-in Type Vents ====
-* Strip-in type roof penetration flashings (lead, aluminium, stainless steel, copper, etc.) must be properly sized to fit pipe penetrations or alternatively, when pipes are irregular in size spray foam urethane insulation may be used to fill gaps between pipes and flashings. Strip-in type roof penetration flashings are only permitted for use with single pipe roof penetrations, must incorporate properly fitted settlement caps, and be a minimum height of 200 mm (8") above finished roof surfaces. Pipes that are higher than standard flashings must have site formed non-bituminous flexible roof membrane storm collars sealed with compatible sealants and stainless steel clamps. Where shrink-wrapped terminations are employed, they shall be fitted with a stainless steel mechanical compression strap, and sealant shall be applied between shrink-wrap and penetration.
+* Strip-in type roof penetration flashings (lead, aluminium, stainless steel, copper, etc.) must be properly sized to fit pipe penetrations or alternatively, when pipes are irregular in size spray foam urethane insulation may be used to fill gaps between pipes and flashings. Strip-in type roof penetration flashings are only permitted for use with single pipe roof penetrations, must incorporate properly fitted settlement caps, and be a minimum height of 200 mm (8") above finished roof surfaces. Pipes that are higher than standard flashings must have site formed non-bituminous flexible roof membrane storm collars sealed with compatible sealants and stainless steel clamps. {{hilite | Where shrink-wrapped terminations are employed, they shall be fitted with a stainless steel mechanical compression strap, and sealant shall be applied between shrink-wrap and penetration. || 2017-April-22 }}
 * Strip-in type flashings for cables and multiple roof penetrations including grouped pipes and or cables must be purpose made roof flashings. All-purpose made multiple penetration flashings must provide a positive weather seal by use of manufacturer’s proprietary rubber based friction seals, mechanical clamps or gooseneck type design, and be a minimum height of 200 mm (8") above finished roof surfaces. Alternatively, roof curbs with metal hoods may be used to seal cables and multiple roof penetrations.
 * Strip-in vents will not be permitted for use in protected or modified protected membrane roofs. Curb mounting for all venting units and equipment except lead or aluminium jacks is mandatory. Curbs are to be supplied and installed by others. Curbs are to be a minimum 200 mm (8") in height above top of finished surfacing.

← Older revision		Revision as of 15:52, 29 September 2016
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		+	__NOTOC__
	=== General ===		=== General ===

@@ Line 15: / Line 15: @@
 === Strip-in Flashings ===
-==== STRIP-IN TYPE VENTS ====
+==== Strip-in Type Vents ====
 * Strip-in type roof penetration flashings (lead, aluminium, stainless steel, copper, etc.) must be properly sized to fit pipe penetrations or alternatively, when pipes are irregular in size spray foam urethane insulation may be used to fill gaps between pipes and flashings. Strip-in type roof penetration flashings are only permitted for use with single pipe roof penetrations, must incorporate properly fitted settlement caps, and be a minimum height of 200 mm (8") above finished roof surfaces. Pipes that are higher than standard flashings must have site formed non-bituminous flexible roof membrane storm collars sealed with compatible sealants and stainless steel clamps. Where shrink-wrapped terminations are employed, they shall be fitted with a stainless steel mechanical compression strap, and sealant shall be applied between shrink-wrap and penetration.
 * Strip-in type flashings for cables and multiple roof penetrations including grouped pipes and or cables must be purpose made roof flashings. All-purpose made multiple penetration flashings must provide a positive weather seal by use of manufacturer’s proprietary rubber based friction seals, mechanical clamps or gooseneck type design, and be a minimum height of 200 mm (8") above finished roof surfaces. Alternatively, roof curbs with metal hoods may be used to seal cables and multiple roof penetrations.
@@ Line 23: / Line 23: @@
 * All galvanized steel strip-in flange style penetration and protrusion flashings installed on low slope roof systems, with slopes of less than 1:50 (1/4” in 12”),` shall have a proprietary membrane manufacturer approved rust resistant coating site applied from the base of the roof flange up-stand intersection to a minimum height of 100mm (4") above the finished roof surface.
-==== STRIP-IN CURBS ====
+==== Strip-in Curbs ====
 * are to be a minimum 200 mm (8") in height above top of finished surfacing.
 * are to be supplied and installed by others.
@@ Line 31: / Line 31: @@
 <p class="reference">Metal wall base flashing is optional with these application methods.</p>
-====GUARDRAILS====
+====Guardrails====
 <span class="principles">Guardrails should be installed only on vertical surfaces; attachment of guardrails to a horizontal surface is strongly discouraged.</span> Where guardrails are fastened through the top of copings, the base of the guardrail shall be flashed with a compatible reinforced membrane flashing material, applied according to the primary membrane flashing manufacturer’s specifications.