Qt = Total air flow of Dust collector. Q1 = Air Flow in first area. Q2 = Air Flow in second area. etc. Static Pressure is a loss due to the air flow pressure pickup area to exit the dust collector system.The pressure loss can occur in the suction, ducting, elbow and cyclone. Calculation of static pressure is based on the duct size.t = Total air flow of Dust collector. Q1 = Air Flow in first area. Q2 = Air Flow in second area. etc. Static Pressure is a loss due to the air flow pressure pickup area to exit the dust collector system.
What is the average cost per square foot to install roof? It depends on the type of roof. A single story low pitch asphalt shingle roof will cost around $40 - $80 per square (100 sq. ft.) to tear off and $75 - $100 per square to inst â¦ all new shingles.If the plywood sheathing underneath is damaged, it will cost extra, up to $50 per sheet replaced.hat is the average cost per square foot to install roof? It depends on the type of roof. A single story low pitch asphalt shingle roof will cost around $40 - $80 per square (100 sq. ft.) to tear off and $75 - $100 per square to inst â¦ all new shingles.
Cost. Neither wood siding or fiber cement are the cheapest options in home siding. Fiber cement generally costs slightly more than vinyl siding, at $3 to $4 per square foot for materials.Cedar siding can run $5 to $7 per square foot.You should also keep in mind that the maintenance required with cedar siding adds thousands to the overall cost. You will need to paint or stain cedar siding every 3-5 years, and periodically repair or replace the shingles or panels.edar siding can run $5 to $7 per square foot. You should also keep in mind that the maintenance required with cedar siding adds thousands to the overall cost. You will need to paint or stain cedar siding every 3-5 years, and periodically repair or replace the shingles or panels.