Smacna bubble dvd destroys design myths jan 2 2018 11 37 am duct system calculator metric.
Smacna roof detail at wall.
Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 สบ per foot to ensure proper drainage.
Sheet metal and air conditioning contractors national association 4201 lafayette center drive chantilly virginia 20151 1219 tel 703 803 2980 fax 703 803 3732.
Class rating 50 w 200 on 1 2 on 13 18 49 120 5 8 on 19 24 field.
A copper receiver holds the counterflashing at its top edge.
3 4 on 25 84 class rating 25 1 on 85 120 tolerance.
The flashing of the head of a batten seam roof at a wall is shown in this detail.
The top of the roof pan is formed into a bread pan whose upper edge is just above the finished batten.
Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.
For longer slopes and lower roof pitches contact fabral for other suitable profiles.
Figure 7 6 wall to roof flashing jan 19 2018 12 33 pm figure 7 5 head soffit and sill flashing jan 19 2018 12 33 pm.
1 4 on 48 w.
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.
Replaced in a 1900 renovation.
3 8 on 12 dn.
Sheet metal and air conditioning contractors national association 4201 lafayette center drive chantilly virginia 20151 1219 tel 703 803 2980 fax 703 803 3732.
Best materials ph.