Table 8-4.Preservative Penetration
Builder. The type of treatment or preservative depends
on the seventy of exposure and the desired life of the
Preservatives can be harmful to personnel if
improperly handled. When applying preservatives,
you should take the following precautions:
Figure 8-11.Improvised tanks for dip treating lumber.
standpoint of maximum penetration. However, it is
Avoid undue skin contact;
Avoid touching the face or rubbing the eyes
when handling pretreated material;
Avoid inhalation of toxic (poisonous) material;
Work only in a properly ventilated space and
use approved respirators; and
Wash with soap and water after contact.
more or less unavoidable in the case of already
installed wood, as well as treated wood that has been
LEARNING OBJECTIVE: Upon completing
cut or drilled to expose the untreated interior.
this section, you should be able to state the
principal fire and health hazards associated
with painting operations.
Every painting assignment exposes Builders to
Pentachlorophenol and creosote coal tar are likely
conditions and situations representing
to be the only field-mixed preservatives used by the
potential danger. Toxic and flammable