CFP Fence Installation & Materials 5

Question 1

When installing a split-rail fence, how are the rails typically connected to the posts?

Accepted Answer

Inserted into pre-drilled mortise holes in the post

Answer

Split-rail fence systems use mortise (routed or pre-drilled) holes in the posts to accept the tapered tenon ends of the rails, requiring no fasteners.

Question 2

What is the maximum recommended height for a residential fence without requiring engineered drawings in most US jurisdictions?

Accepted Answer

6 feet

Answer

Most US municipalities allow residential fences up to 6 feet in height without requiring stamped engineering drawings, though local codes vary.

Question 3

A galvanized chain-link fence shows white corrosion on the wire. What does this indicate?

Accepted Answer

The zinc coating is actively protecting the steel beneath

Answer

White rust (zinc oxide) on galvanized chain-link indicates the sacrificial zinc coating is corroding to protect the underlying steel, which is normal zinc behavior.

Question 4

Which post-setting method is preferred in freeze-thaw climates to prevent frost heave of fence posts?

Accepted Answer

Concrete footing poured below the frost line

Answer

Pouring a concrete footing that extends below the local frost line prevents freeze-thaw cycles from heaving the post out of the ground.

Question 5

What is the function of a 'stretcher bar' in chain-link fence installation?

Accepted Answer

A rigid bar threaded through fence fabric at the terminal to allow even tensioning

Answer

A stretcher bar is woven through the end of the chain-link fabric so tension can be applied uniformly across the entire fabric height.

(CFP) Certified Fence Professional Practice Test

(CFP) Certified Fence Professional Practice Test

CFP Fence Installation & Materials 5