What are the specific types of wood used in skateboard manufacturing?

Feb 15, 2017 ... MSR lumber shall meet the visual requirements as set forth in this Standard and the current edition of the NLGA. Standard Grading Rules. Product Group: Framing Lumber. MSR lumber is intended for any engineered application where low variability in strength and stiffness properties is primary ... Interfor SYP 2400F MSR (Machine Stress Rated). Lumber starts with the finest fiber, guaranteeing strength and stiffness, with consistent dimensional stability. The grading is the bending pounds per square inch (psi) the lumber can withstand. Higher grades carry more stiffness. This lumber has been selected for strength ... ... MSR Lumber Studs (92-5/8, 96, 104-5/8, 116-5/8, 120) OSB Plywood Sheathing/Sturdifloor Plywood Sanded Fire Retardant Lumber & Plywood Concrete Forming HDO ... This segregation could channel high density wood for high grade MSR lumber. ... Therefore, just because a sawmill cuts MSR lumber not all lumber will pass ... Products currently included are Machine Stress Rated (MSR) lumber and Machine Evaluated Lumber (MEL). Also included in the policy are requirements specific ... MSR (machine-stress rated) lumber starts with the finest fiber, guaranteeing strength and stiffness, with consistent dimensional stability. Sep 10, 2012 ... SFPA does not test lumber or establish design values. Accordingly ... SP Machine Stress Rated (MSR). Table 1 Floor Joists – 30 psf live ... Saw logs were sawn into" nominal 2- by 4-inch and 2- by 6-inch lumber; lumber was kiln dried, surfaced, and graded by using visual and machine stress rated (MSR) ...