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SKU: MSC1.81

Simpson Strong-Tie MSC1.81 Multiple-Seat Top-Flange Connector

Ships in 1-3 business days.

Description

This item is made to order with varied lead times - Please call us at 888-794-1590 for exact lead times on this product

The MSC Multiple-Seat Top-Flange Connector is a precision-engineered solution for challenging hip and valley roof framing scenarios. Designed to support two valley connections without requiring a ridge member, the MSC simplifies installation and improves load distribution in multi-directional roof systems.

This connector accommodates a wide range of joist sizes, slopes, and skews, offering flexibility for unique framing layouts. Whether you're working with structural composite lumber or solid sawn joists, the MSC makes it easier to meet design demands without compromising structural integrity.

Ideal for residential and commercial construction, the MSC connector excels in situations that require customized load paths and multiple intersecting joists, making it a go-to solution for advanced framing professionals.

Features:

  • Dual Valley Connections: Supports two valley connections without the need for a ridge beam—great for hip/valley roof systems.
  • Top-Flange Design: Provides structural alignment and resists beam rotation for reliable performance.
  • Flexible Configuration: Accommodates a wide variety of joist sizes, slopes, and skews to match complex framing designs.
  • Customizable Sizing: Manufactured to suit your project’s specific requirements—reference the order worksheet for guidance.
  • Heavy-Duty Performance: Built from rugged materials to handle demanding structural loads.

Applications:

  • Hip and valley roof framing
  • Intersecting joist layouts in custom homes or commercial roofs
  • Projects requiring split-load valley configurations
  • Design scenarios with no ridge beam requirement

NOTE: The correct fasteners installed in the correct position must be used to achieve published load values

California Residents: WARNING

Specifications

Joist Size: 1-3/4"
For Treated Lumber: No
Manufacturer Name: Simpson Strong-Tie
Fasteners Required: See Spec Sheet

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Our nationwide network of distribution facilities offers more product selection and faster delivery times. So far we’ve made remarkable progress in our expansion efforts, effectively doubling our capacity by adding a new 47,000 sq. ft. warehouse in Simpsonville, South Carolina, in addition to our existing 60,000 sq. ft. facility in Urbana, Iowa.

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We pride ourselves on delivering a user-friendly, high quality experience online and over the phone. Our knowledgeable team of experts is readily available via phone to assist with product questions and custom pricing inquiries. We’re available Monday thru Friday from 7:00 AM – 5:00 PM CST. We look forward to supporting you on your next job.

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