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Gary & Liisa Niemela - Owners
Philosophy Skandia Truss manufactures high quality trusses with strong emphasis on practical snow load design to suit local conditions. Duration of loading, drift loading, rain on snow, lake effect snow and typical sheltered U.P. terrain, which all tend to expose roof structure to heavy snow loading, must be considered for a complete and thorough snow load analysis. A snow load analysis can be confusing if not difficult to comprehend. Enforcement and interpretaion of minimum truss requirments vary. Note that 1 cu. ft. of roof snow in a 70# Ground Snow area is estimated to weigh 23.1#. Using the ASCE7-02 snow density equation y=0.13 pg + 14, 3' of roof snow may weigh 69.3# per sq. ft. of roof area. It is not uncommon to have 3' of roof snow for a "duration of loading" of two months or more. It is not always practical to shovel roof snow, so it is wise to design and build roof structure which can withstand local elements and conditions.
Two of the most costly building problems in the Upper Peninsula building industry are #1 ice and water problems due to inadequately insulated and ventilated roof systems and #2 roof failure. Both of these extremely costly problems can be easily and affordably prevented. Use 18" energy heels which allow 16" of insulation or R-49 plus leave room for 2" of air flow over the top of the insulation. Use appropriate truss design loads.
Visit us at 9465 US 41 S. Skandia, MI 49885
Thank You to the builders and customers who continue to support Skandia Truss. We are proud to serve you and appreciate your business.
Div. of Gary Niemela, Inc.
9465 U.S. 41 South
Skandia, MI 49885
Phone: (906) 942-7171
Fax: (906) 942-7150