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Builder 3&2 Volume 01 - Construction manual for building structures | Next
Jointer |
CHAPTER 8
MASONRY
Originally, masonry was the art of building a
structure from stone. Today, it refers to construction
consisting of units held together with mortar, such as
concrete block, stone, brick, clay tile products, and,
sometimes, glass block. The characteristics of
masonry work are determined by the properties of the
masonry units and mortar and by the methods of
bonding, reinforcing, anchoring, tying, and joining
the units into a structure.
MASONRY TOOLS AND EQUIPMENT
LEARNING OBJECTIVE: Upon completing
this section, you should be able to identify the
basic masonry tools and equipment.
Masonry involves the use of a wide selection of
tools and equipment.
A set of basic mason’s tools,
including trowels, a chisel, hammer, and a jointer, is
shown in figure 8-1.
TROWELS
A trowel (figure 8-1) is used to pick up mortar
from the board, throw mortar on the unit, spread the
mortar, and tap the unit down into the bed. A common
trowel is usually triangular, ranging in size up to
about 11 inches long and from 4 to 8 inches wide.
Generally, short, wide trowels are best because they
do not put too much strain on the wrist. Trowels used
to point and strike joints are smaller, ranging from 3 to
6 inches long and 2 to 3 inches wide. We will talk
more about pointing and striking joints later in the
chapter.
CHISEL
A chisel (figure 8-1) is used to cut masonry units
into parts. A typical chisel is 2 1/2 to 4 1/2 inches
wide.
HAMMER
A mason’s hammer (figure 8-1) has a square face
on one end and a long chisel on the other. The
hammer weighs from 1 1/2 to 3 1/2 pounds. You use
it to split and rough-break masonry units.
Figure 8-1.-Basic mason’s tools.
8-1
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