ROOF SPECIALTIES / PRODUCTS FOR METAL ROOFS   

                                            Specification

Note: This roofing specialties specification, with minor editing, has been written as a separate section of work. Alternatively, the appropriate clauses may be incorporated as part of a roofing specification in regions where this feature is desired.
         
 PART 1 GENERAL

1.01	SECTION INCLUDES

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

1.02	RELATED SECTIONS

              A.	05100 - Structural Metal Framing

              B.	05400 - Cold Formed Metal Framing

              C.	07720 - Roof Insulation

              D.	07400 - Metal Roof Panels

1.03	REFERENCES

               A. The work of this Section to conform to:

             Canadian (General)

              1.  CRCA (Canadian Roofing Contractor’s Association)

              2.  CSA G40.21-M1987 M350W and M300W (Structural Quality Steel).

3.	CSA W47.1-1983 (Certification of Companies for Fusion Welding of  Structural  
      Steel).

4.   CSA W59-M1989 (Welded Steel Construction-Metal ARC Welding).

5.  CSA G164-M1981 (Hot Dip Galvanizing of Irregularly Shaped Articles)

U.S. (General)

1.  NRCA (National Roofing Contractor’s Association).
      
2.  ASTM A36 (Non-Exposed Structural Components).

3.  ASTM A123 (Standard Specification for Zinc Coating (Hot Dip Galvanizing) of Iron  
     And Steel Products).

4.  ASTM Z325 (Bolts, Nuts and Washers) or type 304 stainless steel.

 Canadian (Fall Arrest Anchors or Travel Restraint System)

1.  Ontario Ministry of Labour  O.Reg. 527/88 and 714/82

United States (Fall Arrest Anchors or Travel Restraint System)

1. OSHA 1910.66, Appendix C (Personal fall Arrest System: Section I)

2. OSHA 1926.500, SubPart M (Fall Protection).
    
3. CAL OSHA, Title 8, Appendix C to Article 6 (Personal Fall Arrest System)

1.04	SUBMITTALS

A.  Manufacturer’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’s 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 in 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, NY) or provide               
      equal products by another manufacturer approved in advance by the [Architect], 
      based upon:

1.  20 year warranty against leaks, condensation and defects in materials and/or  
     manufacture, as applicable;
2.  air barrier design using EPDM seals only;
3.  maintenance free design;
4.  suitability for all slopes 2° to 45° and all metal gauges;
5.  injection molded urethane insulation to CGSB-51-GP 46MP and ASTM C1029-90,   
     as applicable; 
6.  written installation instructions.

	

 2.02	  MANUFACTURED UNITS

                 Note: Delete clauses not applicable.

EPDM flexible flashing:  Thaler D-100 EPDM Flexible Flashing assembly consisting of Triple Pressure Grommet Top Seal, Base Seal, zinc cast hold-down ring all sealed using silicone dipped aluminum lock rivets having synthetic rubber washer under head.               

Floating Walkway

Floating Walkway: Thaler D-ARS-100A mill finish 6061-T6 aluminum walkway of standard 30" (762 mm) width or width as noted on the drawings, with: 1-1/2" (38 mm) dia. urethane insulated supports/posts, and rails, having  4" x  4" x  3/8" (102 x 102 x 10 mm) alum. and steel base plates with EPDM separator welded to 2" x  4" x 1/4" (51 x 102 x 6 mm) HSS struts with end plates for connecting to [Z-channels] [C-channels] 
using  two 1/2" (12 mm) s.s. bolts both sides; 20-1/2" x 2-1/2" x 1/8" (64 x 64 x 3 mm) alum. support beams and EPDM end caps; 10" x 2" x 1/8" (254 x 51 x 3 mm) alum. Anti-slip walkway planks; [standard 36" (915 mm) high 1-1/2" (38 mm) dia. Schedule 40 rails] [two sides] [one side] [without rail]; Thaler D-100 EPDM  Flexible Flashing.

 Flag or Rail Roof Supports

[Flag Pole][and][Rail] roof supports: Thaler D-ARS-400 stainless steel  urethane insulated 3-1/2” (89 mm) dia. hollow steel support having 6” x 6” x 5/8” (152  x 152  x 16 mm) base plates welded to 3” x 6” x 1/4” (76  x 152  x 6 mm) HSS struts with end plates  for connecting to [Z-channels] [C-channels] using two s.s. 1/2” (12 mm) s.s. bolts both sides;  2" (51 mm) s.s. stub machined or tapered to receive I. D. flag pole and 3/8” (9 mm) s.s. bolt; Thaler D-100 EPDM Flexible Flashing assembly. 

Snow Guard (for use with  Standing Seam roof panels)

Snow guards: Thaler D-ARS-600 snow guard for sloped standing seam metal roof system with 2” x 4” x 1/4” (51 x 100 x 6 mm) HSS struts having end plates for connecting  to [Z-channels] [C-channels] using two 1/2” (12 mm) s.s. bolts both sides; 6061-T6 mill finish urethane insulated hollow alum. posts  having  4” x  4” x  1/2” (102 x 102 x 12 mm) alum. and steel base plates with EPDM separator, cross beam tube, support arm and lower tubes, as per sizes noted on the drawings based upon local snow loads, and  roof slope; Thaler D-100 EPDM Flexible Flashing assembly.

Snow Guard (for use with Architectural Standing Seam roof panels)
  
Snow guards: Thaler D-ARS-600 snow guard for  sloped standing seam metal roof system with 2” x 4” x 1/4” (51 x 100 x 6 mm) HSS struts having end plates for connecting  to [Z-channels] [C-channels] using two 1/2” (12 mm) s.s. bolts both sides; 6061-T6 mill finish urethane insulated hollow alum. posts having 4” x  4” x 1/2" (102 x 102 x 12 mm) alum. and steel base plates  with EPDM separator, cross beam tube, support arm and lower tubes, as per sizes noted on the drawings based upon local snow loads, and roof slope; Thaler D-100 EPDM Flexible Flashing assembly.

                 
Snow Guard (for use with  Corrugated System roof panels)
  
Snow guards: Thaler D-ARS-600 snow guard for sloped corrugated metal roof system with 2” x 4” x 1/4” (51 x 100 x 6 mm) HSS struts having end plates for connecting  to [Z-channels] [C-channels] using two 1/2” (12 mm) s.s. bolts both sides; 6061-T6 mill finish urethane insulated hollow alum. posts having  4” x  4” x 1/2” (102 mm x 102 mm x 12 mm) alum. and steel base plates with EPDM separator, cross beam tube, support arm and lower tubes, as per sizes noted on the drawings based upon local snow loads, and roof slope; Thaler D-100 EPDM Flexible Flashing assembly.

                 
 Air Handling Unit Roof Support

Air Handling Unit Supports: Thaler D-MERS-900A, 16” to 28” (406 mm to 711 mm) high, adjustable height 6061-T6 hollow aluminum mill finish, urethane insulated supports, 2” (51 mm) dia., having  4” x 4” x  3/8” (102  x 102  x 10 mm) alum. and steel base plates with EPDM divider welded to 2” x  4” x 1/4” (51 x 102  x 6 mm) HSS struts with end plates for connecting to [Z-channels] [C-channels] using two 1/2” s.s. (12 mm) bolts both sides; cross-bar carrier of length to suit application with EPDM end caps, EPDM anti-vibration pads and 1-1/2” (38 mm) dia. pipe section reinforcing ties; Thaler D-100 EPDM  Flexible Flashing. 

Fall Arrest Roof Anchors
                 
Fall arrest roof anchors: Thaler [D-FARA-1 with galvanized forged 1018 steel eye] [D-FARA-11 with Type 304 stainless steel forged eye] [D-FARA-11U with Type 304 stainless steel U bolt] roof anchor to [CSA Z91-02] [OSHA 1910.66, Sub parts D and F] with: urethane insulated hollow hot dipped galvanized ASTM 500C steel post (HSS) 1/4” (6 mm) wall thickness x 4-1/2” (114 mm) dia. x 12” (305 mm) high welded to  5/8” x 6” x 6” (16  x  152 x 152 mm)  44W base plates bolted and welded to 3” x 6” x 1/4” (76  x 152  x 6 mm) HSS struts with end plates  for connecting to [Z-channels] [C-channels] using two s.s. 1/2” (12 mm) bolts both sides; D-100 EPDM Flexible Flashing; 

Horizontal Lifeline

Horizontal lifeline system: Thaler D-190 Easy Slider  lifeline to [CSA-Z91-02][OSHA 1910.66, Sub parts D and F] with: urethane insulated 4-1/2” (114 mm) dia. HSS posts, wall thickness 1/4” (6 mm), hot dipped galvanized ASTM 500, 12” (305 mm) high, welded and bolted to 5/8” x 6” x 6” (16  x 152  x 152 mm) 44W base plate welded to 3” x 6” x 1/4” (76 mm x 152 mm x 6 mm) HSS struts with end plates for connecting to [Z-channels][C-channels] using two 1/2” (12 mm) bolts both sides; s.s. fittings (swaged end, energy absorber, shuttle, end tensioner, intermediate brackets, corner pieces, and 316L cable 7 x 19 structure); D-100 EPDM Flexible Flashing. 

 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.

 B.    For roofs employing tapered insulation systems, height adjustments may be 
         necessary i.e. ensure anchor eye is minimum 9” (229 mm) above roof surface.

3.02	  INSTALLATION

             Note: Delete clauses not applicable.

               A.     Install roof specialty products in accordance with manufacturer’s printed          
                        instructions.

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