Coversion Charts

Roofing Manufacturing Conversions


Line Speed to Production Rate

Lanes of Production
Line Speed
Production Rate (US size)
Production Rate (Metric)

___ (squares/hr.)

___ (squares/hr.)

___ (squares/hr.)

___ (squares/hr.)

___ (squares/hr.)

___ (squares/hr.)

___ (squares/hr.)

___ (squares/hr.)

Production Rate to Line Speed

Lanes of Production
Production Rate
Line Speed
(US size)
Line Speed (Metric)

___ (feet/min.)

___ (feet/min.)

___ (feet/min.)

___ (feet/min.)

___ (feet/min.)

___ (feet/min.)

___ (feet/min.)

___ (feet/min.)


*Outputted values are rounded to whole numbers



NOTES:

1. Standard, 12″ x 36″ Shingles:
80 Shingles/Square
1 square = 100 sq. ft. coverage

2. Metric, 13 1/4″ x 39 3/8″ Shingles:
66 Shingles/Square
1 square = 101.5 sq. ft. coverage


ROLLS
—– Standard Metric
1 square = 100 sq. ft. 36″ wide x 36′ long 39 3/8″ x 30′ 6″
2 squares = 200 sq. ft 36″ wide x 72′ long 39 3/8″ x 61′
3 squares = 300 sq. ft. 36″ wide x 108′ long 39 3/8″ x 91′ 6″
4 squares = 400 sq. ft. 36″ wide x 144′ long 39 3/8″ x 183′
5 squares = 500 sq. ft. 36″ wide x 180′ long 39 3/8″ x 213′ 6″
6 squares = 600 sq. ft. 36″ wide x 216′ long 39 3/8″ x 244′
7 squares = 700 sq. ft. 36″ wide x 252′ long 39 3/8″ x 275′ 6″


NOTE: 1 square = 100 sq. ft. coverage



Disclaimer Every effort has been made to check and verify the information in this reference brochure. However, Reichel & Drews disclaims any warranty expressed or implied or any liability or responsibility for the accuracy or correctness of the information contained herein. Whenever any information contained herein will be used in any application it should be independently verified.