Note:  This flashing specification, with minor editing, has been written as a separate section of work. 

PART 1 GENERAL

1.01	SECTION INCLUDES

A.  Supply and installation of roof accessories, including:
     1.  Preformed metal flashings.

1.02	RELATED SECTIONS

A.  Section 06100 ‑ Rough Carpentry
B.  Section 07200 ‑ Thermal Protection
C.  Section 07500 ‑ Membrane Roofing
D.  Section 07900 ‑ Joint Sealers
E.  Section 15800 ‑ Air Distribution

1.03	REFERENCES

[A. CSA B272‑93 ‑ Prefabricated Self‑Sealing Roof Vent Flashings]
[B. CRCA (Canadian Roofing Contractor’s Association)]
[C. NRCA (National Roofing Contractor’s Association)]
[D. SPRI (Single Ply Roofing Institute)]
[E. CUFCA (Canadian Urethane Foam Contractor’s Association)and CGSB‑51‑GP      
                  46MP Manual for “Installers of Spray Polyurethane Foam Thermal Insulation” and                        ASTM C1029‑90 “Spray Applied Rigid Cellular Polyurethane Thermal Insulation”]

1.04	SUBMITTALS

A.  Manufacutrer’s descriptive literature for each product, including section or other type 
      details.
B.  Manufacturer’s written installation instructions.
C.  Shop drawings and samples, when required, in accordance with Section [01300].

1.05	QUALITY ASSURANCE

A.  Roof accessories manufacturer to have minimum 5 years documented experience in 
      the design and fabrication of roofing specialties and accessories.

1.06	SPECIAL WARRANTY

A.  Warrant products installed under this section of work to be free of leaks, 
      condensation and defects materials and/or manufacture for a period of 20 years when 
      installed in accordance with the manufacturer’s written instructions.

PART 2 PRODUCTS

2.01	MANUFACTURER

A.  Provide products as manufactured by Thaler Metal Industries, 1‑800‑387‑7217 
 (Mississauga, Ontario, Canada) or 1‑800‑576‑1200 (New Braunfels, TX) or 
 provide equal products by another manufacturer approved in advance by the 
[Architect], based upon:  
     1.  20 year warrantee against leaks, condensation and defects in materials and/or 
          manufacture, as applicable;
     2.  compliance with CSA B272‑93 (Prefabricated Self‑Sealing Roof Vent Flashings)
     3.  air barrier design using EPDM seals only;
     4.  maintenance free design;
     5.  materials and sizes options, and thicknesses;
     6.  injection molded urethane insulation to CGSB‑51‑GP 46MP and ASTM 
          C1029‑90, as applicable;
     7.  treated deck flange, as applicable;
     8.  written installation instructions.

2.02	MANUFACTURED UNITS

MEF‑3A Hot Pipe Flashing
Hot pipe flashing:  Thaler MEF‑3A Hot Pipe Flashing [12” (305 mm)] [18” (457 mm)] 
high with integral deck flange and matching two piece collar; .064” (1.6 mm) mill finish 
1100‑0T alloy aluminum, .032” (0.831 mm) 24 oz. copper or 0.31” (0.79 mm) 22 ga. 
stainless steel; diameter to suit hot pipe diameter; [PVC coated deck flange] 
[bituminous painted deck flange].

PART 3 EXECUTION

3.01	EXAMINATION

A.  Report to the Contractor in writing, defects of work prepared by other trades and 
      other unsatisfactory site conditions. Verify site dimensions. Commencement of 
      work will imply acceptance of prepared work.

3.02	INSTALLATION

Note: Delete clauses not applicable.
 
A.  Install flashing in accordance with manufacturer’s printed instructions.	

BUR
B.  Set deck flange in layer of plastic cement and flash in with 3 overlapping layers of 
      felt flashing.

Modified Bitumen
C.  Torch membrane until bitumen is fluid and set flange into fluid.  Flash in flange with 
      two overlapping layers of ModBit and seal with asphalt sealer.  Do not overheat 
     (melt) EPDM Base Seal.

Single Ply
D.  Set deck flange in layer of membrane adhesive and extend single ply up sleeve to 
      highest elevation possible and clamp membrane to STACK JACK Flashing.

Note:  For PVC membrane, specify PVC coated flashing by adding suffix P to end of 
Thaler model number, e.g. SJ‑24‑P; weld roofing to deck flange using PVC torch.

PVC Single Ply
E.  Set deck flange in layer of membrane adhesive and extend single ply up sleeve to 
      highest elevation possible and clamp membrane to flashing. Weld roofing to deck 
      flange using PVC torch.

Shingle Roof
A.  Set deck flange in layer of plastic cement, ensuring that flange is placed over shingles 
      on downslope side of flashing and under shingles on upslope side.

3.03	FIELD QUALITY CONTROL

A.  Comply with the requirements of Section [01400 ‑ Quality Control].

3.04	ADJUSTING

A.  Verify that all manufactured units have been installed in accordance with 
      specifications and details, and will function as intended.  Adjust any items where 
      necessary to ensure proper operation.

3.05	CLEANING

A.  Clean manufactured units using materials and methods approved by manufacturer.  
      Do not use cleaners or techniques which could impair performance of the roofing 
      system.

End of Section