Smacna Metal Roof Details

Smacna architectural sheet metal manual 7thedition.

Smacna metal roof details.

Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage. Mechanical fasteners and soldering guidance. Features more details in the historical restoration section on skylights cornices and spires. New moisture and maintenance guide with underlayments.

The first edition of smacna s residential sheet metal guidelines offers contractors designers builders and homeowners a source of expert information on the proper fabrication and installation of exterior sheet metal in residential buildings. A the sheet metal and air conditioning contractor s national association smacna provides its product for informational purposes. Long life building material with a long history of use. Refer to the rain carrying table in this booklet for the maximum allowable panel length per.

B the product contains data which is believed by smacna to beaccurate and correct but the data including all information ideas and expressions therein is provided strictly as is with all. Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage. Smacna s new architectural sheet metal quality assurance guide 1st edition is a tool for evaluating exterior sheet metal building components roofing systems exterior walls flashing copings etc during initial construction and for ongoing condition assessments and maintenance. Metals can be alloyed and formed to create unique metals and shapes to design unique buildings.

And enhanced metals selection data. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Located in headquarters outside washington d c the sheet metal and air conditioning contractors national association smacna an international association of union contractors has 1 834 members in 103 chapters throughout the united states canada australia and brazil. Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.

When choosing a roofing style many architects choose custom fabricated metal roofs. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. Covering topics that include roof drainage systems decks chimneys windows doors and ledges the new manual presents details and explanations based on and designed for low rise residential buildings up to three stories that are used as. This completely revised publication contains the most comprehensive set of recommended practices available for proper design and installation of custom fabricated architectural sheet metal including roof drainage system design for scuppers gutters and downspouts.

Smacna s custom fabricated sheet metal roof test report describes the performance of the double lock standing seam and batten seam metal roof conforming to the smacna architectural sheet metal manual.