So my question is what is the best way to affix the downspout to a vinyl sided house while keeping the siding from buckling and moisture out from where the screw will penetrate the siding and moisture membrane into the sheathing.
Fasten downspout to vinyl siding.
Bend the metal mounting strap around the downspout so that the ends sit flat against the vinyl siding.
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Professional gutter installers use zip screws to secure the downspout straps.
Pull it apart and slip it around the downspout to hold it in place against the wall.
Fastening a downspout to vinyl siding does not require anchors.
For siding that has two sections called ship lap there is a rib running horizontally in the middle of the piece.
Most hooks are stainless steel so they won t corrode and they are easy to remove when you re done with them.
Drive a 1 1 2 inch zip screw into each side of the strap and through the vinyl siding with an.
Vinyl siding is easy to penetrate but there are places you want to avoid within the profile of the siding.
Trying to place the screw through that middle rib can be awkward.
The easiest and safest way to hang something from vinyl siding is to use a siding hook.
Attaching downspouts to siding first of all it will be necessary to carefully consider the type of wall to which you will be attaching your downspout.
Before securing the screw into the hole you need to complete two basic tasks.
Use a self tapping 3 8 inch hex head sheet metal screw to secure the downspout.
Not only is this unsightly but it also voids the warranty on each panel of vinyl siding that is so nailed or screwed through.
First take a piece of scrap downspout material and slice it open.
You can buy zip screws and straps at home improvement centers.
It slips into the groove between adjoining slats and once it clicks into place you can hang items as heavy as 12 pounds.
Zip screws bite into the siding without going into the outside wall of the house.
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.