This Standard Recommendation specifies requirements for materials, fabrication and the use of timber trussed rafters with punched metal plate fasteners for roofs.
This Irish Standard specifies a method of visually strength grading structural softwood timber of rectangular cross-sections shaped by sawing, planing or other methods. It defines requirements for strength grading, measurement of characteristics, specifies marking requirements and identifies requirements for the control and supervision of strength grading operations.
Note: All drafts documents can be viewed and commented on once you have registered on NSAI Your Standards, Your Say - further information