What is a concrete head wall?

The Headwall is a precast concrete structure with wings and a bottom to deflect the water away from the soil. Headwalls are used to provide support for bridges and roadways by anchoring the piping to prevent movement due to hydraulic and soil pressures and prevent soil erosion and scouring from turbulent stormwater.

What is a headwall in construction?

Headwall or Endwall– An integrated wall located at either end of drainage pipe or a stream crossing structure. A wall built at a pipe inlet is a headwall. A wall built at a pipe outlet is an endwall. 1/2019.

How do I install headwall?

Headwall Installation Guidelines

1. Ensure that first or last spigot/butt or socket/butt pipe that is to be fitted to the Headwall is in position and free from backfill.
2. Dig out the bank of the watercourse to take the size of the headwall making sure that the Headwall will not protrude into the path of the water flow.

What is end wall?

i. The brick, concrete, or stonework construction at the sides of an excavation built to carry a flat or arched roof. Also called sidewall.

What is a flared end section?

Pipe Flared End Sections provide a transition from the pipe or culvert to the environment upstream and downstream. They improve the flow capacity of the sewer or culvert and create an aesthetically pleasing appearance blends into the embankment. These sections are available from 12” dia. to 72” dia.

Does flashing go under or over shingles?

Instead of installing the step flashing between shingles, the flashing rests on top of the shingles. It’s not unusual to see sealant installed when sidewall flashing is missing. Sealant will eventually dry, shrink and crack. You’ll see sealant substituted for flashing in a lot of different areas on roofs.

How do you install the last row of shingles?

Here’s how to shingle the top edge of your shed roof:

1. For the final row, cut shingles into strips.
2. Ensure strips are wide enough to cover nails.
3. Install your strips.
4. Apply sealant over exposed nails on the last strip.
5. Use more sealant along the top edges of all shingle strips.

What is an eave strut?

What are Eave Struts? Eave refers to the line along the sidewall formed by the intersection of the planes of the roof and the wall. Therefore, eave struts are located at the eave of a building that supports roof and wall paneling and are in the shape of a “C”.