The common practice of attaching downspouts to vinyl siding is to wrap a metal or plastic strap around the downspout and nail or screw through the vinyl siding.
Attach downspouts to vinyl siding.
Using the clamp place it to secure the downspout.
The problem is if you ever remove the screw then the hole needs to be filled.
What i ve done is to drill through the siding and insert a spacer the length of which is the same as the thickness of the siding and insulation.
Use a fine pointed marker to mark the location of the holes for the clamp.
Most hooks are stainless steel so they won t corrode and they are easy to remove when you re done with them.
Drill a hole wide enough to accept the anchor you will be used to attach the gutter clamp for the downspout.
Then use a screw about 1 inch longer and drive it through the downspout strap through the spacer and into the solid siding below.
Place a downspout strap at the top where it meets the elbow.
Screw the fastener in slowly and release the trigger on the drill just before the screw head meets the vinyl siding.
It slips into the groove between adjoining slats and once it clicks into place you can hang items as heavy as 12 pounds.
Attaching downspout strap to vinyl siding if concerned about penetrations drill a hole for the screws and apply a dab of silicone adhesive sealant to the hole prior to fastening.
This will protect the siding from the intrusion of insects and weathering consequences.
That way you don t compress the siding yet the screw holds the strap securely.
Check both ends of the siding for play first.
Affixed in the middle with room on both sides it should be fine.
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This is the method used by all.
Using screws allows you.
Mount the bracket high up tucked under a lap so you don t buckle the siding while installing it.
The easiest and safest way to hang something from vinyl siding is to use a siding hook.
Downspouts can be attached to houses with rivets or metal screws.