What is a parapet scupper?
Scuppers are openings in roofs and parapet walls that provide a way for excess water to drain from low-slope, flat and built-up roofs.
What is a scupper opening?
A scupper is an opening in the side walls of a vessel or an open-air structure, which allows water to drain instead of pooling within the bulwark or gunwales of a vessel, or within the curbing or walls of a building.
What is a scupper on a house?
Description: Scuppers are used to provide an outlet through parapet walls or gravel stops on flat and built-up roofs to allow drainage of excess water. They can be used in conjunction with gutters and downspouts to divert the flow to the desired location.
What is a scupper drainage system?
A roof scupper is a drainage system that is an outlet in the wall, normally covered in sheet metal, that allows water to drain through an opening in the roof edge.
Why is it called a scupper?
A scupper guides the water away from a building. The origin of the word isn’t completely certain, but it might come from the old French word escopir, which means literally ‘to spit. ‘ And that’s what scuppers do. They spit rainwater away from a building.
What is the purpose of scupper holes?
Scupper holes, found in sit-on-top kayaks, are designed as a safety feature to drain water out of the kayak, from top to bottom, which keeps you from sitting in a puddle or even worse, making your kayak a bathtub full of water prone to capsizing.
How do flat top roofs drain?
Gutters are the most commonly used, and most cost-effective drainage solution for flat roofs. They catch rainwater as it rolls off the edge of the roof and divert the water into a downspout that dispenses it a safe distance from the foundation of the building.
What do scuppers do?
What Do Scupper Plugs Do? Scupper plugs give you the ability to cover the self-bailing drain holes in the hull of a sit-on-top kayak. This helps you achieve a drier ride by preventing water from coming up through the scupper holes. Naturally, most sit on top kayaks collect a small amount of water while you paddle.
How is a copper scupper attached to a parapet wall?
Shown is the installation of a copper scupper through a parapet wall in conjunction with conductor head and downspout. The conductor head is attached to the exterior wall using masonry fasteners. The scupper spout is locked and soldered onto the back edge of the conductor head.
When do you need A scupper at a raised roof?
Where a roof is completely surrounded by parapet walls and drainage is provided by scuppers or internal drains, overflow scuppers should be provided. The roof-side flange of the gravel stop is nailed at 3″ O.C. to the perimeter blocking. 10.5A. Scupper at Raised Roof Curb
How do you install a scupper spout on a head?
The scupper spout is locked and soldered onto the back edge of the conductor head. If conductor heads without overflow are used, the rim of the head should be set 1″ below the scupper. A closure flange is inserted and sealed into a masonry joint above the scupper.
Do I need an overflow scupper for my gravel stop?
Where a roof is completely surrounded by parapet walls and drainage is provided by scuppers or internal drains, overflow scuppers should be provided. The roof-side flange of the gravel stop is nailed at 3″ O.C. to the perimeter blocking.