Install Manual

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UniRac Installation Manual Series

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Pub 090615-6ii

June 2009

See www.unirac.com/distributors for your nearest Unirac distributor.

Unirac Installation Manual

Installation Manual 907.2

Standoffs & Flashings

[1] Installer responsibility

The installer is solely responsible for:

• Complyingwithallapplicablelocalornational

building codes, including any that may

supercede this manual;

• EnsuringthatUniracandotherproductsare

appropriate for the particular installation and

the installation environment;

• Ensuringthattheroof,itsrafters,connections,

and other structural support members can

support the array under building live load

conditions;

• UsingonlyUniracpartsandinstaller-supplied

parts as speciﬁed by Unirac (substitution of

parts may void the warranty);

• Maintainingthewaterproofintegrityofthe

roof; and

• Ensuringsafeinstallationofallelectrical

aspects of the PV array.

Summary of content (4 pages)

PAGE 1
[1] Installer responsibility The installer is solely responsible for: • Complying with all applicable local or national building codes, including any that may supercede this manual; • Ensuring that Unirac and other products are appropriate for the particular installation and the installation environment; • Ensuring that the roof, its rafters, connections, and other structural support members can support the array under building live load conditions; • Using only Unirac parts and installer-supplied parts as
PAGE 2
R A HILTI GROUP COMPANY Standoffs & Flashings Installation Manual 907.2 Standoffs: 3-, 4-, 6-, and 7-inch lengths in each type Shaft O.D. Raised flange zinc-plated steel 15/8˝ Flat top 1-piece zinc-plated steel 15/ Flat top 2-piece aluminum 8˝ 15/8˝ Use Components Use only with SolarMount standard or HD rails. Secure to rafter with 2 lag screws at opposite corners, orienting the flange parallel to the rails.
PAGE 3
Standoffs & Flashings Installation Manual 907.2 R A HILTI GROUP COMPANY Planning and installation There are many possible configurations of standoffs and flashing. The three examples here illustrate major product varieties and installation settings. Example 1 2-piece, aluminum, flat top standoff Soft aluminum flashing Tile roof SunFrame (shown) or SolarMount rail SunFrame rail Tile L-foot Mold flashing to tile Rafter Remove a tile over a rafter.
PAGE 4
R A HILTI GROUP COMPANY Standoffs & Flashings Installation Manual 907.2 Example 3 1-piece, steel, raised-flange standoff No-Calk™ flashing Shingled roof SolarMount rail SolarMount rail Shingle Rafter No-Calk collar Cut an opening in the roofing material over a rafter to accommodate the flashing riser. Install the standoff, ensuring that (1) both lag bolts are screwed into the rafter, and (2) the raised flange is oriented parallel to the rail.