Go to local home depot lowes go to down spout gutter area and get 1 2 of them cost is a couple of bucks then go to aisle with concrete fasteners ask look for small fasteners for brick mortar.
How to attach gutter downspout to brick.
Pay special attention to your handiwork when you secure downspout straps to a brick house so the screws will hold tightly for a long time.
For example on a 40 foot span of gutter the lowest point will be where the downspout attaches.
Measure out your entire gutter run with a tape measure dropping 1 4 inch every 10 feet.
Step 1 slip a 90 degree elbow into the gutter s downspout outlet with the crimped end pointing down.
Drive two half inch sheet metal screws through the elbow connecting the elbow to the outlet.
If your gutters overflow regularly during heavy rains you may want to consider adding an extra downspout.
Locate where you want to place your new downspout.
Being that it s a brick wall it s a tad more involved but if you cannot find the aluminium strap on ground or still in wall.
Seams between the elbow the gutter and the downspout are typically sealed with caulk containing.
Gutter hangers and gutter brackets allow gutters to attach to a house s eaves offering support and strength to the front edge.
Measure from the gutter to the wall of the house and then from the gutter to the ground.
Other pieces include elbows gutter extensions and gutter flashing.
Guttering elbows generally attach directly to the underside of the gutter with a screw and again at the downspout with another screw.
The downspout on the left is secured to the wall at the foundation and high on the brick facade.
Gutter end caps close off the ends of gutters keeping debris and water from flowing out at this point.