Expansion Characteristics Of James Hardie Siding Products

Expansion characteristics of technical bulletin james hardie siding products march 2012 8 scope.

Expansion characteristics of james hardie siding products.

James hardie building products may be installed on buildings with a maximum mean roof height of 25 9 m 85 ft. Do not paint when wet. The manufacturer of fiber cement siding and trim products in. James hardie recommends designing for this type of movement on buildings with long runs of continuous siding.

Doggett 2012 places the coefficient of thermal expansion cote for fiber cement products at 3 6 10 to 7 6 10 in in degree f giving a linear expansion of less than 0 08 over ten feet of material. Factory primed james hardie products must be painted within 180 days of installation. Make no mistake the housing boom has been very good to james hardie industries as it recently celebrated a tacoma area expansion. Fiber cement complying with astm c1186 as do all building materials expands and contracts with changes in relative humidity and temperature.

For application rates refer to paint manufacturers speciþcations. When combined with hardietrim boards hardiepanel vertical siding gives you a traditional board and batten look. Fiber cement primed stucco vertical panel siding 617603 the home depot. Figure 1 roof to wall figure 2 horizontal flashing figure 3 kickout flashing figure 4 slabs path steps to siding.

Minimum standard panel design size is 12 x 16. Thermal expansion of fiber cement siding. 100 acrylic topcoats are recommended. Do not use stain oil alkyd base paint or powder coating on james hardie products.

Back rolling is recommended if the siding is. James hardie building products provides installation wind load information for buildings with a maximum mean roof height of 85 feet. James hardie building products may be installed on buildings with a maximum mean roof height of 25 9 m 85 feet.