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-I™ Joist Installation Information (Spanish)

Important information to safely and properly install RedBuilt™ Red-I™ I-joists
Types
Products

1mb PDF

Updated Apr 2022

Red-I™ Joist Installation Information (Spanish)

Important information to safely and properly install RedBuilt™ Red-I™ I-joists
Types
Products

1mb PDF

Updated Apr 2022

Red-I™ Joist Installation Information (Metric)

Important information to safely and properly install RedBuilt™ Red-I™ I-joists
Types
Products

684kb PDF

Updated Apr 2022

Red-I™ Joist Installation Information (Metric)

Important information to safely and properly install RedBuilt™ Red-I™ I-joists
Types
Products

684kb PDF

Updated Apr 2022

Red-I™ Joist Installation Information

Important information to safely and properly install RedBuilt™ Red-I™ I-joists
Types
Products

2mb PDF

Updated Dec 2023

Red-I™ Joist Installation Information

Important information to safely and properly install RedBuilt™ Red-I™ I-joists
Types
Products

2mb PDF

Updated Dec 2023

RED-I™ I-JOISTS

Types
Products

RED-I™ I-JOISTS

Types
Products

Red-I™ I-Joist (SDS)

Types
Products

Red-I™ I-Joist (SDS)

Types
Products

Red-I45L and Red-I58 Joists in Residential/Multi-Family Applications (TB-200)

Includes PLF tables. Note that these joists are special order items and not available in all markets.
Types
Products

253kb PDF

Updated Oct 2014

Red-I45L and Red-I58 Joists in Residential/Multi-Family Applications (TB-200)

Includes PLF tables. Note that these joists are special order items and not available in all markets.
Types
Products

253kb PDF

Updated Oct 2014

Red-I DTL 9 Floor Details Support Detail (For Loads Exceeding 250 lb)

Types
Products

Red-I DTL 9 Floor Details Support Detail (For Loads Exceeding 250 lb)

Types
Products

PDF

Red-I DTL 8 Floor Details Side-Loaded Double Joist (Header Location)

Types
Products

Red-I DTL 8 Floor Details Side-Loaded Double Joist (Header Location)

Types
Products

PDF

Red-I DTL 7 Floor Details Side-Loaded Double Joist (Ladder Framing)

Types
Products

Red-I DTL 7 Floor Details Side-Loaded Double Joist (Ladder Framing)

Types
Products

PDF

Red-I DTL 6 Floor Details Hanger on Masonry Wall

Types
Products

Red-I DTL 6 Floor Details Hanger on Masonry Wall

Types
Products

PDF

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