Bring it to the building department at your city hall ... sections. There are two types of kits, one for the deck and one for the stairs. As you can see in the photo, there’s a PVC sleeve that slides ...

If you’re new to deck building, understand the basics of deck construction ... To keep the job simple, use an off-the-shelf kit, such as Trex RainEscape. It’s an over-the-joist deck drainage system ...