VIDEOClick to see full answer Also question is, how do you attach address numbers to vinyl siding?Drive the screws through the mounting holes in the numbers. If attaching to metal or vinyl siding, you may need longer screws to reach a solid substrate. First mounting the numbers to a wood or acrylic plaque and then mounting to the siding with 2- or 3-inch screws might be helpful.Subsequently, question is, where should house numbers be mounted? Placement : The house number should be visible from the road or street in front of the property. As such, the house number sign should be placed on the side of the house that faces the road. If the house is too far from the road, the house number should be displayed on the mailbox. Also, what is a floating house number? Floating House Numbers offers an elegant hand finish in satin nickel. The house numbers can be mounted either flush with the wall or you can leave the mounting screws partially out of the holes for a floating number effect. No holes or unsightly screw heads are shown.How do you mount house numbers on rock?Use clear silicone or exterior construction adhesive to mount the numbers. Choose one number, do a quick dry-fit one more time, then fill the drill holes for that number with adhesive or silicone. Fill the holes full, but not to overflowing. Press the house number’s mounting screws into the adhesive-filled holes.