Weber Genesis Silver-B Permamount NG 051701 Owner's Manual page 17

Typical installation of the base for an existing
concrete patio, new pad or wood deck
(continued)
Method 1 - Concrete
A strike anchor, a minimum size of 3/8 inch x 3 1/2
inches long with a 3/8 inch flat washer and 3/8 inch
nut. Figure 6.
Note - Use a 3/8 inch diameter concrete drill bit for
drilling the hole for the strike anchor.
Strike anchor
3/8 inch nut
3/8 inch flat washer
Mount plate
Drilled hole
Figure 6
Method 2 - Concrete
A concrete lag bolt, a minimum of 3/8 inch x 2 1/2
inches long with a 3/8 inch diameter long lag shield
and a 3/8 inch flat washer. Figure 7.
Note - Use a 5/8 inch concrete drill bit for drilling the
hole for the lag shield.
Figure 7
Concrete lag bolt
3/8 inch flat washer
Mount plate
Lag shield
Drilled hole
Method 3 - Concrete
A 3/8 inch machine screw anchor, using a 3/8-16 x
1 1/2 inch machine screw and a flat washer. Figure 8.
Note - Use a 3/4 inch diameter concrete drill bit for
drilling the hole for the screw base. The machine screw
anchor requires a setting tool.
17
3/8-16 x 1 1/2 machine screw
3/8 inch flat washer
Mount plate
3/8 inch screw anchor
Drilled hole
Figure 8