EIFS EIFS Repair, Remediation & Maintenance

Question 1

Before applying a patch over damaged EIFS, the inspector should verify that the substrate is:

Accepted Answer

Dry, sound, and free of contaminants

Answer

Wet to ensure adhesion

Answer

Primed with an acrylic bonding agent only

Answer

Sanded smooth regardless of condition

Question 2

When repairing a delaminated area of EIFS finish coat, the damaged section should be cut back to a minimum of how far beyond the visibly affected area?

Accepted Answer

2 inches

Answer

1 inch

Answer

4 inches

Answer

6 inches

Question 3

Which repair method is appropriate for a small puncture or impact crack in the EIFS lamina that has not compromised the insulation board?

Accepted Answer

Fill with compatible base coat and finish coat matching the original system

Answer

Full system removal and reinstallation

Answer

Apply a roofing mastic over the damaged area

Answer

Cover with a self-adhered flashing membrane only

Question 4

When an EIFS repair requires embedding new reinforcing mesh, the new mesh should overlap the existing mesh by a minimum of:

Accepted Answer

2.5 inches

Answer

1 inch

Answer

2 inches

Answer

4 inches

Question 5

An EIFS wall shows widespread alligator cracking of the finish coat. The inspector's most likely conclusion is:

Accepted Answer

Base coat shrinkage from improper water-to-powder ratio during mixing

Answer

Normal aesthetic aging requiring no action

Answer

Impact damage from hail or debris

Answer

Thermal movement in the insulation board

Question 6

Prior to any EIFS repair work, the project specification should be reviewed to confirm:

Accepted Answer

The system manufacturer, product lines, and applicable warranties

Answer

The original contractor's license number

Answer

The building owner's insurance policy limits

Answer

Local prevailing wage rates