Masonry Chapter 14: Water & Masonry

Masonry Chapter 14: Water & Masonry

By Wendy Chalmers

Multiple Choice

In this picture mortar has protruded from the joints and contacted the backer wall, blocking the air space needed for proper drainage this is called

• mortar protrusion

• mortar bridging

• mortar weeping

• sloppy masonry work.

Multiple Choice

These are pieces of 1/4" to 3/8" diameter cotton rope routed from the air cavity through the head joints beyond the face of the wall to divert water.

• Wick string

• Wick ropes

• Weep ropes

• Weep vents

Multiple Choice

This shows an opening in the brickwork to permit water drainage and allow air circulation. The picture shows which of the following?

• Wick ropes

• Weep vents

• Sill flashing

• Backer wall

Multiple Choice

• A water repellant adhering to the surface of masonry walls.

• liquids applied to masonry walls for the purpose of reducing water absorption.

• A water impermeable material that diverts collected water to the exterior of the wall.

• water repellant coatings that penetrate the surface of masonry walls.

Multiple Choice

Water repellant that adhere to the surface of the masonry walls are called

• Film Formers

• Water Repellants

• Penetrants

Multiple Choice

This picture shows

• Film Formers

• Backer Wall

• Weep Vent

• Sill Flashing

Multiple Choice

Suction Rate

• The Initial Rate of Absorption

• Appearing shortly after construction

• Rate of moisture seeping from the brick

• The rate that brick absorbs water.

Multiple Choice

This, shown in the picture, occurs on the surface of masonry walls when a deposit of water soluble salts appear.

• Lime Run

• Mortar Protrusions

• White Scum

• Efflorescence

Multiple Select

Three types of flashing we've learned about in this chapter include

• sill flashing

• head flashing

• weep hole flashing

• base flashing