ROOF SPECIALTIES ARCHITECTURAL  ROOF SUPPORTS Specification

Note: This architectural roof support 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.

	PART 1 GENERAL

1.01	SECTION INCLUDES

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

1.02	RELATED SECTIONS

A.	Section 03300 - Cast-in-Place Concrete

B.	Section 05210 - Steel Joists

C.	Section 05300 - Metal Deck

D.	Section 06100 - Rough Carpentry

E.	Section 07200 - Thermal Protection

F.	Section 07500 - Membrane Roofing

G.	Section 07900 - Joint Sealers

1.03	REFERENCES

A. 	The work of this Section to conform to:

Canadian

Note: CSA standard is applicable only to those Thaler products supplied with EPDM Triple Pressure Grommet Seal and/or EPDM Base Seal.
									
1.	CSA B272-93 - Prefabricated Self-Sealing Roof Vent Flashings.

2.	CRCA (Canadian Roofing Contractor’s Association).

3.	SPRI (Single Ply Roofing Institute).

4.	CUFCA (Canadian Urethane Foam Contractor’s Association) and CGSB-51-GP- 46MP, Manual for “Installers of Spray Polyurethane Foam Thermal Insulation”.

5.	CSA G40.21-M1987  M350W and M300W (Structural Quality Steels).

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

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

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

U.S.

B. 	The work of this Section to conform to:

1.	NRCA (National Roofing Contractor’s Association).

2.	ASTM C1029-90 “Spray Applied Rigid Cellular Polyurethane Thermal Insulation”.

3.	ASTM D 3963/M-87 (Structural Specifications for Epoxy Coated Reinforcing Steel).

4.	ASTM A36 (Non-Exposed Structural Components).

5.	ASTM A123 Standard Specifications for Zinc Coating (Hot Dip Galvanizing) of Iron and Steel Products.

6.	ASTM Z235 (Bolts, Nuts and Washers) or Type 304 stainless steel.

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 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 (Buffalo, 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.	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 flashing deck flange, as applicable;
8.	written installation instructions.

2.02	MANUFACTURED UNITS

Note: Delete clauses not applicable.

Floating Walkway Roof Supports
A.  Floating Walkway Roof Supports: Thaler ARS-100A, aluminum walkway of standard 44" (1118 mm) width, [rail one side only]; 2” (51 mm) dia. post and rails including [4" x 4" x 3/8" (102 mm x 102 mm x 9 mm)] [6" x 6" x 1/4" (152 mm x 152 mm x 6 mm)] post base plates, post height to suit with standard 42" (1066 mm) safety rail height from top of walkway to top of rail ; 2-1/2" x 2-1/2" x 1/8" (64 mm x 64 mm x 3 mm) aluminum support beams [with EPDM and caps]; aluminum walkway anti-slip channel planks, two 18" (457 mm) wide and 5" (127 mm) wide centre plank; [hot dipped galvanized chain link fence, 2" (51 mm) x 9 ga. by others]; and [SJ-34, uninsulated] [SJ-37, insulated], 7" (178 mm) high New-Standard STACK JACK flashing consisting of [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel], 2" (51 mm) dia. to CSA B272-93 with EPDM Triple Pressure Grommet Seal and EPDM Base Seal and [PVC coated deck flange][bituminous painted deck flange].

Fire Route Walkway Roof Supports
B.  Fire Route Walkway Roof Supports: Thaler ARS-102A mill finish 2" (51 mm) dia. aluminum supports [urethane insulated] including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck; with standard 42" (1066 mm) high 1-1/2" (38 mm) dia. mill finish Schedule 40 6061-T6 alloy aluminum pipe rail; access gates with manufacturer's standard hardware; hot dipped galvanized chain link fence, 2" (51 mm) x 9 ga.; [SJ-34, 7" (178 mm)] high New-Standard STACK JACK flashing (uninsulated) consisting of [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga.Type 304 stainless steel], 2" (51 mm) dia., to CSA B272-93 with EPDM Triple Pressure Grommet Seal and EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Rail Post Roof Supports
C.  Rail Post Roof Supports: Thaler ARS-115 standard 14" (356 mm) high adjustable height, epoxy coated, urethane insulated hollow steel supports, including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck and galvanized steel cap to CSA G164-M1992 and designed for affixing 1-1/2" x 1-1/2" (38 mm x 38 mm) rail posts (by others); manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Satellite Dish Roof Supports
D.  Satellite Dish Roof Supports: Thaler ARS-122 standard 14" (356 mm) high epoxy coated, urethane insulated hollow steel support including appropriate mounting hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck; epoxy coated threaded steel cap with 4" (102 mm) dia. s.s. mast adapter stub, steel mast (epoxy primed as standard) with 1/2" (12 mm) s.s. retaining bolt; galvanizing to CSA G164-M1992; weatherproof 5/8" ( 16 mm) lock-bolt with EPDM seal to prevent counter-rotation of support and dish; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Antenna Roof Supports
E.  Antenna Roof Supports: Thaler ARS-133 standard 14" (356 mm) high epoxy coated, urethane insulated hollow steel support including appropriate mounting hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck; epoxy coated threaded steel cap with 2" (51 mm) dia. s.s. mast adapter stub and steel mast (epoxy primed as standard) with 3/8" (10 mm) s.s. retaining bolt; galvanizing to CSA G164-M1992; weatherproof 5/8" ( 16 mm) lock-bolt with EPDM seal to prevent counter-rotation of support; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing and EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Trellis Roof Supports
F.  Trellis Roof Supports: Thaler ARS-200 standard 14" (356 mm) high adjustable height, epoxy coated, urethane insulated hollow steel supports, including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck, and epoxy coated steel cap and post socket galvanized to CSA G164-M1992 and designed for affixing 4" x 4" (102 mm x 102 mm) wood trellis posts (by others); manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Trellis & Brace Roof Supports
G.  Trellis & Brace Roof Supports: Thaler ARS-200 and ARS-210 standard 14" (356 mm) high adjustable height, epoxy coated, urethane insulated hollow steel supports, including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck, and epoxy coated steel cap and post socket galvanized to CSA G164-M1992 and designed for affixing 4" x 4" (102 mm x 102 mm) wood trellis posts (by others); manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.021" (0.53 mm) 16 oz. copper] [.018" (0.46 mm) Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Guy Wire Roof Supports
H.  Guy Wire Roof Supports: Thaler [ARS-300] [ARS-301][ARS-302][ARS-303][ARS-304] standard 14" (356 mm) high epoxy coated, urethane insulated hollow steel supports including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck, and s.s. steel cap with galvanized (optional) eye for affixing guy wire (by others); manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Guy Wire Wall Supports
I.   Guy Wire Wall Supports: Thaler [ARS-350] [ARS-350-1][ARS-350-2][ARS-350-3][ARS-350-4], urethane insulated, galvanized hollow steel supports including appropriate hardware (adhesive type fasteners supplied by others) for fastening to wall structure, and galvanized steel eye hot dipped galvanized to CSA G164-M1992 for affixing guy wire (by others).

Flag Pole or Rail Roof Supports
J.   Flag Pole or Rail Roof Supports: Thaler ARS-400 epoxy coated, urethane insulated hollow steel support, including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck; and epoxy coated threaded steel cap with [2" (51 mm) dia. s.s. adapter stub][with s.s. stub machined or tapered to receive _____I.D. flag pole] and 3/8" (9 mm) s.s. retaining bolt; galvanizing to CSA G164-M1992; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy  aluminum] [.032" (0.831 mm)  24 oz. copper] [.031" (0.79 mm) 22 ga.Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

A/C Unit Screen Roof Supports
M.  A/C Unit Screen Roof Supports: Thaler ARS-450 epoxy coated, urethane insulated hollow steel support including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck; epoxy coated threaded steel cap with [4" (102 mm) dia.][4" (102 mm) square] stainless steel screen frame adapter stub and 1/2" (12 mm) s.s. retaining bolt; galvanizing to CSA G164-M1992; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Access Ladder Roof Supports
N. Access Ladder Roof Supports: Thaler ARS-500 epoxy coated, urethane insulated hollow steel support including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck; epoxy coated threaded steel cap with ladder lugs suitable for receiving a 1/2" (13 mm) thickness steel ladder side rails; 3/8" (10 mm) s.s. retaining bolts; galvanizing to CSA G164-M1992; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Metal Stair Roof Supports
O.  Metal Stair Roof Supports (Standard Stringer): Thaler [ARS-510][ARS-510-1][ARS-510-2] adjustable height, epoxy coated, urethane insulated hollow steel supports including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck and epoxy coated steel cap, galvanized (optional) to CSA G164-M1992 and designed for affixing steel stair (by others); manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Metal Stair Roof Supports
P.   Metal Stair Roof Supports (Offset Stringer): Thaler [ARS-520][ARS-520-1][ARS-520-2] adjustable height, epoxy coated, urethane insulated hollow steel supports including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck and steel cap/s.s. connector angle designed for affixing steel stair (by others) using 1/2" (12 mm) s.s. bolts provided; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Stair Platform Roof Supports
Q.   Stair Platform Roof Supports: Thaler [ARS-530][ARS-530-1][ARS-530-2] adjustable height, epoxy coated, urethane insulated hollow steel supports including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck and cap/platform adapter plate designed for affixing steel platform channel and grate (by others) using 1/2" (12 mm) s.s. bolts provided; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Upright Angle Roof Supports
R.  Upright Angle Roof Supports: Thaler [ARS-540][ARS-540-1][ARS-540-2] adjustable height, epoxy coated, urethane insulated hollow steel supports, including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck and cap/angle connector designed for affixing equipment or items (by others) shown on drawings; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Miscellaneous Plate Roof Supports
S.   Miscellaneous Plate Roof Supports: Thaler [ARS-550][ARS-550-1][ARS-550-2] adjustable height, epoxy coated, urethane insulated hollow steel supports, including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck and cap/plate assembly designed for affixing equipment or items (by others) shown on drawings; manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Triangular Antenna Roof Supports
T.  Triangular Antenna Roof Supports: Thaler [ARS-575] adjustable height, epoxy coated, urethane insulated hollow steel supports, including appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck and epoxy coated steel cap/antenna base galvanized (optional) to CSA G164-M1992 designed for affixing antenna (by others); manufacturer's standard urethane insulated [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Multiple Satellite Dish Roof Supports
U.  Multiple Satellite Dish Roof Supports: Thaler ARS-590 adjustable height 6061-T6 hollow aluminum with mill finish, urethane insulated supports, 2" (51 mm) dia., with appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck, aluminum cross-bar carrier with EPDM end caps, dish aluminum anchor plates;  [SJ-34, 7" (178 mm)] high New-Standard STACK JACK flashing, urethane insulated, consisting of [.064" (1.6 mm) mill finish 1100-0T alloy aluminum] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 stainless steel], 2" (51 mm) dia. to CSA B272-93; with EPDM Triple Pressure Grommet Seal and EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Snow Guard Roof Supports (Galvanized)
V.   Snow Guard Roof Supports (Galvanized): Thaler [ARS-600]  urethane insulated hollow aluminum supports including appropriate hardware (adhesive fasteners supplied by others) for fastening to structural roof deck, aluminum cross beam tube locked into post holders, cast aluminum support arms, aluminum lower tubes bolted to arms; manufacturer’s standard urethane insulated [.064”(1.6 mm) mill finish 1100-0T alloy aluminum] [.032” (0.831 mm) 24 oz. copper] [.031” (0.79 mm) 22 ga. Type 304 stainless steel] flashing with EPDM Base Seal [and] [PVC coated deck flange]. 	

Cross-Over Stair & Roof Supports
W.  Cross-Over Stair & Roof Supports: Thaler ARS-680 all 6061-T6 mill finish aluminum cross-over stair of size shown on drawings, with: adjustable height hollow alum., urethane insulated supports, 2" (51 mm) dia., with appropriate hardware (adhesive type fasteners supplied by others) for fastening to structural roof deck;  3" x 3" x 1/4" (76 mm x 76 mm x 6 mm) alum. beams [screwed] [welded] to angle supports; aluminum planks fastened to support beam using specially designed bolts and seat washers; 1-1/2" (38 mm) dia. Schedule 40 pipe rail; [.064" (1.6 mm) mill finish 1100-0T alum.] [.032" (0.831 mm) 24 oz. copper] [.031" (0.79 mm) 22 ga. Type 304 s.s.], [SJ-34, uninsulated] [SJ-37, insulated] flashing to CSA B272-93 with EPDM Triple Pressure Grommet Seal and EPDM Base Seal [and] [PVC coated deck flange][bituminous painted deck flange].

Tilt-Up Access Ladder & Roof Supports
X.   Tilt-Up Access Ladder & Roof Supports: Thaler ARS-685 mill finish 6061-T6 aluminum ladder [________ long] [of length as shown on the drawings], with: 3" x 1" x 1/8”  (76 mm x 25 mm x 3 mm) aluminum recangel side rails, 1-1/4" (32 mm) dia. tubular rungs 18" (457 mm) long of 1/4" (6 mm) wall thickness welded to side rails, and 3/4" (19 mm) dia. x 20" (508 mm) long s.s. hinge pin secured using two cotter pins; adjustable height hollow alum., urethane insulated supports with side rail adapter lugs, 2" (51 mm) dia., and with appropriate hardware (adhesive type fasteners supplied by others) supports for fastening to structural roof deck; [.064" (1.6 mm) mill finish 1100-0T alum.] [.032" (0.831 mm) 24 oz. copper] [.031" (0.76 mm) 22 ga. Type 304 s.s.] [SJ-34, uninsulated] [SJ-37, insulated] flashing to CSA B272-93, with EPDM Triple Pressure Grommet Seal and EPDM Base Seal [and] [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	PREPARATION

Note: The following clauses apply to retrofit installations only.

A.	For retrofit work, remove existing roof assembly as necessary to allow for installation of supports.

B.	In the event of structural deficiencies, deck corrosion or deterioration, ensure that a structural engineer has assessed and approved all surfaces upon which the work of this Section depends. Institute repairs and/or reinforcement where necessary.

C.	If necessary, protect building interior and contents against ingression of water, dust, debris or other deleterious material.

3.03	INSTALLATION

Note: Delete clauses not applicable.

A.	Roof Supports

1.	Install supports in accordance with manufacturer’s printed instructions, shop drawings and as specified.

2.	Ensure supports are installed under the direst supervision of a Professional Engineer and Roofing Consultant.

3.	Where necessary, provide protection against deterioration due to contact of dissimilar materials.

4.	Ensure work is inspected prior to application of roofing.

B.	Flashing

1.	Install roof support flashing in accordance with manufacturer’s printed instructions.

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

Modified Bitumen
3.    Torch membrane until bitumen is fluid and set flashing deck 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
4.    Set deck flange in layer of membrane adhesive and extend single ply up sleeve to highest elevation possible and clamp membrane to STACKJACK Flashing.

Note: For PVC membrane, specify PVC coated flashing; weld roofing to deck flange using PVC torch.

PVC Single Ply
5.    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.

3.04	FIELD QUALITY CONTROL

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

3.05	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.

3.06	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