Guide for Handling, Installing and Bracing of Metal Plate Connected Wood Trusses

General Notes

Trusses are not marked in any way to indentifiy the frequency or location of temporary bracing. Follow the recommendations for handling, installing and temporary bracing of trusses. Refer to BCSI 1-03 Guide to Good Practice for Handling, Installing & Bracing of Metal Plate Connected Wood Trusses for more detailed information.

Truss Design Drawings may specify locations of permanent bracing on individual compression members. Refer to the BCSI-B3 Summary Sheet - Web member Permanent Bracing/Web Reinforcement for more information. All permanent bracing design is the responsibility of the Building Designer.

The consequences of improper handling, installing and bracing may be a collapse of the structure, or worse, serious personal injury or death.
Banding and truss plates have sharp edges. Wear gloves when handling and safety glasses when cutting banding.

Allow no more than 3" of deflection for every 10' of span.
Avoid lateral bending.

Use special care in windy weather or near
power lines and airports.

Check banding prior to moving bundles
Pick up verticle bundles at the top chord.

Bundles stored on the ground for one week or more should be raised by blocking at 8' to 10' on center.

For long term storage, cover bundles to prevent moisture gain but allow for ventilation.


Do not store unbraced bundles upright.

Do not store on uneven ground.

Hand Erection
Trusses 20' or less, support at peak.

Trusses 30' or less, support at quarter points.


Hold each truss in position with the erection equipment until temporary bracing is installed and truss is fastened to the bearing points.

Do not lift trusses over 30' by the peak.


Hoisting recommendations by truss span


Refer to BCSI-B2 Summary Sheet - Truss Installation and Temporary Bracing for more information.

Do not walk on unbraced trusses.


Locate ground braces for first truss directly in line with all rows of top chord temporary lateral bracing.


Bracing for Three Planes of Roof
This bracing method is for all trusses except 3x2 and 4x2 parallel chord trusses.

1) Top Chord

Truss Span
Top Chord Temporary Lateral Brace (TCTLB) Spacing
Up to 30'
10' o.c. max.
30' to 45'
8' o.c. max.
45' to 60'
6' o.c. max.
60' to 80'
4' o.c. max.

2) Bottom Chord

3) Web Member Plane


Bracing for 3x2 and 4x2 Parallel Chord Trusses

Refer to BCSI-B7 Summary Sheet - Temporary and Permanent Bracing for Parallel Chord Trusses for more information.



Construction Loading

Do not proceed with construction until all bracing is securely and properly in place.

Do not exceed maxiumum stack heights. Refer to BCSI-B4 Summary Sheet - Construction Loading for more information.

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  Maximum Stack Height for
Materials on Trusses

Height (h)
Gypsum Board
Plywood or OSB
Asphalt Shingles
2 bundles
Concrete Block
Clay Tile
3-4 tiles high

Place loads over as many trusses as possible.

Put loads over load bearing walls.


Refer to BCSI-B5 Summary Sheet - Truss Damage, Jobsite Modifications and Installation Errors.

Do not cut, alter, or drill any structural member of a truss unless specifically permitted by the Truss Design Drawing.

Trusses that have been overloaded during construction or altered without the Truss Manufacturer's prior approval may render the Truss Manufacturer's limited warranty null and void.


NOTE: The Truss Manufacturer and Truss Designer must rely on the fact that the Contractor and crane operator (if applicable) are capable to undertake the work they have agreed to do on a particular project. The Contractor should seek any required assistance regarding construction practices from a competent party. The methods and procedures outlined are intended to ensure that the overall construction techniques employed will put floor and roof trusses into place SAFELY. These recommendations for handling, installing and bracing wood trusses are based upon the collective experience of leading technical personnel in the wood truss industry, but must, due to the nature of responsibilities involved, be presented only as a GUIDE for use by a qualified Building Designer or Erection/Installation Contractor. It is not intended that these recommendations be interpreted as superior to any design specification (provided by either Architect, Engineer, the Building Designer, the Erection/Installation Contractor or otherwise) for handling, installing and bracing wood trusses and it does not preclude the use of other equivalent methods for bracing and providing stability for the walls and columns as may be determined by the truss Erection/Installation Contractor. Thus, the Wood Truss Council of America and the Truss Plate Institute expressly disclain any responsibility for damages arising from the use, application or reliance on the recommendations and information contained herin.