Add PWR Powdered Water Repellent 1 Lb to your mortar mix for all your repairs, tuckpointing, and builds and make it permanently waterproof! You will save time and money by eliminating a second trip to waterproof your chimney separately. One container treats 480 lbs of concrete mix and included a measuring spoon.

Features:

• Permanent Water Repellent Protection
• Treats up to 480 lbs. of mix
• Will not alter surface color or appearance