UniRac SHCPKTD1 NXT UMOUNT STRONGHOLD Attachment Kit
For Comp Shingle Roofs, With Butyl Pad, With 5/16" x 4" SS Lag Bolt, Rail Clamp, Dark Finish, Qty. 1 Box of 20, SHCPKTD1
| This item ships free within the 48 contiguous states. |
UniRac SHCPKTD1 NXT UMOUNT STRONGHOLD Attachment Kit, For Comp Shingle Roofs, With Butyl Pad, With 5/16" x 4" SS Lag Bolt, Rail Clamp, Dark Finish, Qty. 1 Box of 20, SHCPKTD1
The UniRac SHCPKTD1 is the StrongHold Attachment Kit (Mill Finish) designed specifically for composition-shingle roofs as part of UniRac’s NXT UMOUNT Horizon / StrongHold rooftop solar mounting system. It provides a secure, code-compliant structural attachment point for solar racking while maintaining roof integrity. Simply click the rail into the STRONGHOLD Base. One of the key features is it allows for height adjustment for leveling rails as needed.
Includes:
- (20) SHCLMPM2 NXT UMOUNT STRONGHOLD Rail Clamp
- (20) 5/16" x 2" serrated flange hex screw
- (20) 5/16" x 4" stainless steel lag bolt with EPDM bonded washer
- (20) STRONGHOLD Attachment Base
- Chemlink Sealant
NOTE: USE ONLY UNIRAC APPROVED SEALANTS: Chemlink Duralink 50, Chemlink M-1, Geocel 4500, Geocel S-4 or SealBond SB-500. Follow sealant manufacturer’s instructions and cold weather application guidelines.
DISCOVER YOUR NEXT UMOUNT
Introducing NXT UMOUNT™, a revolutionary product by Unirac that stands as the ultimate testament to over 2 decades of engineering experience. Stronger, lighter, and easier to install - its thoughtful design, backed by rigorous engineering, world-class support, and a reliable supply chain, encapsulates the best of DESIGN, SIMPLICITY, and VALUE. This innovative solar racking solution brings unparalleled versatility to solar installations, effectively representing the NXT level of solar mounting systems.
STREAMLINED & FEATURE PACKED COMPONENTS
- Most cost-effective rail on the market with the most cost-effective STRONGHOLD attachments
- UL 3741 certified for both residential and commercial applications
- Less SKUs & more value from parts
- Combo clamps function as both mids and ends
- MLPE/grounding lug can be used as ground lug AND MLPE attachment simultaneously
- Truly structural internal splice reduces attachment counts and time on the roof
- Attachment versatility from rail clamp connection, allowing install on a wide range of attachments–if you have a roof, you can install NXT
- Refined finishing touches with sleek accessories and optional hidden end clamp
- Flashing-free, open-slot STRONGHOLD attachments for better roof protection and easier installation
- UL 2703 certified with S-5! metal roof attachments
NXT UMOUNT: Start Your Journey
- Generally all of our products are in stock and ready to ship within 2 business days.
- If an item you ordered is out of stock, we will contact you within 1 business day with an expected ship date. You will then have the option to accept the new ship date or cancel your order.
- Either way, we guarantee your card will never be charged until your order ships.

