Steel

• Columns – structural steel ASTM specifications A36 and A500 Grade B
• Tube – ASTM A500 Grade B
• Pipe – ASTM A501 Sch 40, 80 & 120
• Plate – ASTM A36
• Angles, channels and wideflange beams ASTM A36
• Purlins – galvanized G90 in 16, 14 and 12 GA

Lumber

• Select deck, kiln dried tongue and groove SPF
• 4×4, 4×6 & 4×8 Doug Fir #1 or better
• 3/4″ Structural 1 Plywood tongue and groove

Roofing

• 26 GA High tensile zincalume steel ASTM 653 or similar
• Baked on paint coatings for years of non-fading, low maintenance beauty
• Castle-tek x1 standard system colors

Paint

• Industrial, oil based enamel with UV inhibitors

Hardware

• Heavy duty zinc plated nuts and bolts grade 2 and high strength grade 5
• Premium Delron easy glide trolleys
• Heavy duty self tapping tek screws
• Zinc plated self sealing Roof-tek screws

Welding

• Mig operated continuous wire feed application
• Operative welding and fabrication criteria conform to
  • AISC 13th edition or latest edition
  • AWS D1.1 structural welding code 2003 19th edition

Operative Building Code

• California Building Code 2001

Fabricator