RTSH: Single Duct Support
This Single Cross Brace Duct Support features H-Stand design and our non-penetrating, rectangular RTSF21 rubber bases, and provides perfect support for either roof ducts or cable trays.
The RTSH, Single H-Stand Duct Support safely and securely mounts spiral or rectangular duct on rooftops and is designed to maximize jobsite efficiency. Non-penetrating RTSF21 rubber bases eliminate the need for prefabrication or on-site work, while protecting your roof. A welded cross brace and precut framing reduce hardware needs and allow for easy adjustability above 12”.
Bolt down bases are interchangeable in most configurations to address any seismic or wind concerns that may be present.
Available finishes: Pre-galvanized, Hot Dip Galvanized, and Stainless Steel.
Part Numbers
Width = Cross Brace Width
Height = Upright Height
| 24″ Height | 36″ Height | 48″ Height | 60″ Height | 72″ Height | 84″ Height | 96″ Height | 108″ Height | 120″ Height | |
| 24″ Width | RTSH2424 | RTSH3624 | RTSH4824 | RTSH6024 | RTSH7224 | RTSH8424 | RTSH9624 | RTSH10824 | RTSH12024 |
| 30″ Width | RTSH2430 | RTSH3630 | RTSH4830 | RTSH6030 | RTSH7230 | RTSH8430 | RTSH9630 | RTSH10830 | RTSH12030 |
| 36″ Width | RTSH2436 | RTSH3636 | RTSH4836 | RTSH6036 | RTSH7236 | RTSH8436 | RTSH9636 | RTSH10836 | RTSH12036 |
| 42″ Width | RTSH2442 | RTSH3642 | RTSH4842 | RTSH6042 | RTSH7242 | RTSH8442 | RTSH9642 | RTSH10842 | RTSH12042 |
| 48″ Width | RTSH2448 | RTSH3648 | RTSH4848 | RTSH6048 | RTSH7248 | RTSH8448 | RTSH9648 | RTSH10848 | RTSH12048 |
| 54″ Width | RTSH2454 | RTSH3654 | RTSH4854 | RTSH6054 | RTSH7254 | RTSH8454 | RTSH9654 | RTSH10854 | RTSH12054 |
| 60″ Width | RTSH2460 | RTSH3660 | RTSH4860 | RTSH6060 | RTSH7260 | RTSH8460 | RTSH9660 | RTSH10860 | RTSH12060 |
| 66″ Width | RTSH2466 | RTSH3666 | RTSH4866 | RTSH6066 | RTSH7266 | RTSH8466 | RTSH9666 | RTSH10866 | RTSH12066 |
| 72″ Width | RTSH2472 | RTSH3672 | RTSH4872 | RTSH6072 | RTSH7272 | RTSH8472 | RTSH9672 | RTSH10872 | RTSH12072 |
| 78″ Width | RTSH2478 | RTSH3678 | RTSH4878 | RTSH6078 | RTSH7278 | RTSH8478 | RTSH9678 | RTSH10878 | RTSH12078 |
| 84″ Width | RTSH2484 | RTSH3684 | RTSH4884 | RTSH6084 | RTSH7284 | RTSH8484 | RTSH9684 | RTSH10884 | RTSH12084 |
| 90″ Width | RTSH2490 | RTSH3690 | RTSH4890 | RTSH6090 | RTSH7290 | RTSH8490 | RTSH9690 | RTSH10890 | RTSH12090 |
| 96″ Width | RTSH2496 | RTSH3696 | RTSH4896 | RTSH6096 | RTSH7296 | RTSH8496 | RTSH9696 | RTSH10896 | RTSH12096 |
- For Double Cross Brace, add “-D”
- For Hot-Dip Galvanized, add “-HG”
- For RTSSPB20HG, Direct Mount Bases, add “-P”
Example: RTSHXXXX-P-HG denotes an H-Stand with direct mount bases in HG finish
***** Part numbers listed include (2) RTSF21 rubber bases, (2) Uprights, and (1) Cross brace in pre-galvanized finish *****
Typical Steel Duct Weights for H-Stand Loading
Surface Area of RTSF21 Base: 211.75 in2
Surface Area of RTSPUC Base: 71.50 in2
| Duct Size | Duct Weight/ft w/ 2″ Insulation |
Total Weight 6ft Spacing (lbs) |
Total Weight 8ft Spacing (lbs) |
RTSPUC Base PSI 6ft | RTSPUC Base PSI 8ft | RTSF21 Base PSI 6ft | RTSF21 Base PSI 68t |
|---|---|---|---|---|---|---|---|
| 28″x28″ | 28.80 | 172.80 | 230.40 | 1.558 | 1.961 | 0.585 | 0.721 |
| 30″x30″ | 30.90 | 185.40 | 247.20 | 1.646 | 2.078 | 0.615 | 0.761 |
| 42″x42″ | 43.20 | 259.20 | 345.60 | * | * | 0.789 | 0.993 |
| 54″x54″ | 55.60 | 333.60 | 444.80 | * | * | 0.965 | 1.227 |
| 60″x60″ | 61.80 | 370.80 | 494.40 | * | * | 1.053 | 1.345 |
| 84″x84″ | 86.50 | 519.00 | 692.00 | * | * | 1.403 | 1.811 |
| 96″x96″ | 98.80 | 592.80 | 790.40 | * | * | 1.577 | 2.043 |
* Application not permitted
** Weights for 16 ga. steel rectangular duct
*** PSI Calculation for a single duct
**** Weights include that of an H-Stand using both base types (RTSPUCF11 or RTSF21)
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