Design Resources
Specifying & Design Tools
RedSpec Next™
RedSpec™ is a free, user-friendly design program for creating floor and roof specifications using Red-I™ joists, RedBuilt™ open-web trusses, RedLam™ LVL, glulam beams, and dimensional lumber.
FloorChoice™
FloorChoice™ is RedBuilt's Floor Performance Rating System, scoring floor vibration and performance on a 0–10 scale during the design phase so the floor system matches what the space actually needs.
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RED-L™ and RED-W™ Parallel Profile
Types
- BIM Objects
Products
- Open-web trusses
RED-L™ and RED-W™ Parallel Profile
Types
- BIM Objects
Products
- Open-web trusses
Red-I™ Joists (for Canada)
Types
- Guides, Specifying Tools
Products
- Red-I™ Joist
Red-I™ Joists (for Canada)
Types
- Guides, Specifying Tools
Products
- Red-I™ Joist
1mb PDF
Updated Aug 2023
Red-I™ Joists
Types
- Guides, Specifying Tools
Products
- Red-I™ Joist, Hybrid Mass Timber
Red-I™ Joists
Types
- Guides, Specifying Tools
Products
- Red-I™ Joist, Hybrid Mass Timber
3mb PDF
Updated Mar 2026
Red-I™ Joist Installation Information (Spanish)
Types
- Installation
Products
- Red-I™ Joist
Red-I™ Joist Installation Information (Spanish)
Types
- Installation
Products
- Red-I™ Joist
1mb PDF
Updated Apr 2022
Red-I™ Joist Installation Information (Metric)
Types
- Installation
Products
- Red-I™ Joist
Red-I™ Joist Installation Information (Metric)
Types
- Installation
Products
- Red-I™ Joist
684kb PDF
Updated Apr 2022
Red-I™ Joist Installation Information
Types
- Installation
Products
- Red-I™ Joist
Red-I™ Joist Installation Information
Types
- Installation
Products
- Red-I™ Joist
2mb PDF
Updated Dec 2023