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SkeleCore Pull-Tight Cable
Installation Manual
Thank you for selecting a DuctSox SkeleCore Pull-Tight with Cable System. This installation manual will be helpful for
installing the system. The key to a successful SkeleCore Pull-Tight installation is using Tensioning Baskets to apply
tension to the fabric and to smooth the appearance. Sections of fabric will be labeled, assembled, bagged, and boxed
for shipping. Systems will include a drawing detail of the system identifying what is in each package and detailed
dimensions of support locations.
Overview
Inventory
Read through this guide thoroughly. Review the components that need to be assembled and installed. Review the
Engineering and Architectural drawings of the project while reading this guide, including the project-specific drawing
details provided by DuctSox.
Shipping/Receiving
In some cases the DuctSox support system is delivered to the job site ahead of the DuctSox fabric sections. Depending
on the size of a project or order, a DuctSox system will be shipped by common courier in a single brown box or several
boxes. Larger orders will be shipped in crates by a common freight courier. Each DuctSox length should be packaged
into individual plastic bags and labeled according to size and number of pieces. Other markings or labeling may also be
incorporated for larger or more complicated systems. Be sure you have determined all boxes are accounted for.
Unpacking
Inspect shipment carefully and make sure all components are accounted for by emptying packaging and examining
all contents. Note any missing or damaged pieces listed on the Bill of Lading and contact your courier and DuctSox
Representative.
Labeling
Each fabric section will have a tag near any zipper. The tag will include job number, ship date, diameter, section
number (if the total length is comprised of more than one fabric section), and total length.
Equipment Required:
• Drill
• Level
• Tape measure
• Marker or pencil
• Wrenches for cable clamps and eye bolts (5/16 in and 9/16 in)
• Flat (standard) screwdriver
• Cable cutter
• Rivet gun
Language: English
Publication: AMEN00417 2021-02-22
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Summary of Contents for DuctSox SkeleCore Pull-Tight Cable
- Page 1 In some cases the DuctSox support system is delivered to the job site ahead of the DuctSox fabric sections. Depending on the size of a project or order, a DuctSox system will be shipped by common courier in a single brown box or several boxes.
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Page 2: Component Details
SkeleCore Pull-Tight Cable DuctSox ® Installation Manual Component Details Universal Ring (UR): Used at both ends of each basket. Available in diameters from 8 in to 60 in (2 in Tension Cable Lock increments) or 203 mm to 1524 mm (51 mm increments) UR Connector Tension Basket Tube with Push Button: 28.5 in (724 mm) in length to... - Page 3 DuctSox SkeleCore Pull-Tight Cable ® Installation Manual Hoops: Used at 5 ft (1524 mm) intervals in the interior of each tensioned section. Available in diameters from 8 in to 60 in (2 in increments) or 203 mm to 1524 mm (51 mm increments). Hoops are factory installed.
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Page 4: Installation Steps
6. Balance airflow Step 1 Review materials in box, including the project-specific drawing and installed location of the DuctSox. The Project-Specific Drawings detail the specific locations of Tensioning Baskets and Cable Stops using the Inlet Belt as the main reference point. - Page 5 DuctSox SkeleCore Pull-Tight Cable ® Installation Manual The following details are used for Galvanized Cable styles. 1. Eyebolts must be fastened to the structure of the building (including knee braces) by others. They must be fastened in correct locations according to suspension style (Shown in each suspension style’s section).
- Page 6 Do not over-tighten the turnbuckle, we recommend no more than 100 lbs (445 Newtons) of tensile force. Intermediate Support Cable Installed every 12.5 ft (3810 mm) or less to keep the DuctSox installed at a consistent elevation (reduces sag of the cable). Galvanized and SS...
- Page 7 Determine placement of cable (both cable path and elevation). The cable 1.5 in (38 mm) must be mounted 1.5 in (38 mm) above the 12:00 location of the DuctSox. Intermediate Cable supports are spaced no more than 12.5 ft (3810 mm).
- Page 8 E. Fitting considerations A. Install fabric Inlet Belt onto metal collar. DuctSox Inlet must be attached to the metal collar using screws (not included) through plastic patches on the Inlet Belt. Be sure to locate the zipper start and seam at the 12:00 orientation for proper alignment.
- Page 9 DRAWINGS FOR ALL EXACT LOCATIONS. The Cable Stop is used to keep shorter sections of DuctSox under slight tension. Nuts are tightened to lock the stop at locations where Gliders are to be locked in place (see Step 5). Locations of Cable Stops (if any) can found on the project- specific drawings.
- Page 10 The amount of take-up will vary based on the length of the Tensioned Section. As tension is applied, wiggle your DuctSox to evenly distribute fabric tensioning over entire length. Tension the fabric until the desired roundness and tautness of the fabric is achieved.
- Page 11 DuctSox SkeleCore Pull-Tight Cable ® Installation Manual If your section ends with an Endcap, follow these additional instructions. IMPORTANT: Before installing the Endcap, insert a Hoop into the mesh flap of the Endcap. Tuck the Hoop under the mesh. Cinch the rope tight and lock.
- Page 12 Step 5 Start Up AHU. Turn on the AHU and inflate the DuctSox System. Check Top Zippers and sections to ensure system is inflating properly. If lengths do not fit properly, double check all field measurements and compare to drawings. If all measurements are correct, contact your DuctSox Representative to discuss options.
- Page 13 A zipper at the inlet location provides easy access to monitor airflow. If the fabric is fluttering after balancing, please contact your DuctSox Representative immediately. Solutions to the fluttering include adjusting the Adjustable Flow Device (AFD), adding AFDs, or other solutions that would result in a less turbulent airflow.
- Page 14 SkeleCore Pull-Tight Cable DuctSox ® Installation Manual Publication: AMEN00417 2021-02-22...
- Page 15 DuctSox SkeleCore Pull-Tight Cable ® Installation Manual Publication: AMEN00417 2021-02-22...
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Page 16: Customer Service
DuctSox SkeleCore Pull-Tight Cable ® Installation Manual CUSTOMER SERVICE DUCTSOX WORLD HEADQUARTERS 4343 Chavenelle Road Dubuque, Iowa 52002 563-588-5300 www.ductsox.com Publication: AMEN00417 2021-02-22...
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