Metal Sales Magna-Loc Installation - Manual (Page 78)

© Metal Sales Manufacturing Corporation / Subject to change without notice 6/12
MAGNA-LOC
78
INstALLAtION OF eNd dAM
INstALLAtION NOtes
Note: The End Dam is used to close off the high end of the panel on applications over open framing. Before
installation of End Dam can begin, all roof panels must be seamed. (See seaming panels on pages 52 and 53 for
proper seaming instructions.)
Steps:
1. Apply Double Bead Tape Sealant down the female leg. across the panel and up the male leg 2" from the end of the panel.
2. Place the End Dam on Double Bead Tape Sealant making sure the punched lower leg is towards the ridge. The punched
lower leg should be 2" from the end of the panel.
3. Slide a Back-Up Channel under the end of the panel and center 2" from the edge of the panel so that the rake end of the
Back-Up Channnel rests on the rake.
4. Fasten the End Dam with five (5) #12-14 x 1" SD NW screws. Fasteners must penetrate the End Dam, sealant, panel, and
Back-Up Channel.
5. Apply a continuous 3 /
8
" diameter bead of Tube Sealant (if necessary) where the End Dams meet the panel seams.
Double Bead Tape Sealant
(pig-tailed to fill End Dam)
Magna-Loc End Dam
Double Bead Tape Sealant
*(Pig-tailed to fill pencil ribs in End Dam)
*Double Bead Tape Sealant
#12-14 x 1" SD NW
(5 per panel)
(or) #10-12" x 1" PHW
Pre-drilled holes for fastening