PROPER PRE-CONSTRUCTION TERMITE TREATMENTS
A Guide for Residential Homeowners
The Department of
Agriculture and Consumer
Services (DACS) licenses pest
control operators and regulates 1. Fill material to be
the application of pesticides for covered by a slab is
the prevention or control of treated with 1 gallon of
subterranean termites. solution per 10 square
feet (soil fill). For
Most residential coarse fill (gravel), 1.5
structures built in Florida are gallons per 10 square
treated during construction to feet are used.
prevent subterranean termite
infestation. This publication is 2. Soil areas next to walls
a guide for individual’ planning (both inside and
State of Florida to hire pest control operators for outside), piers, pipes
Department of these preventative termite and under “critical
Agriculture and treatments, commonly referred areas” such as slab
Consumer Services to as pretreats. expansion joints are
CHARLES H. BRONSON, treated with 4 gallons
Commissioner Pesticides used to treat per 10 linear feet per
for termites (termiticides) are foot of depth. (This
diluted before application. A includes fill areas inside
proper treatment requires use of chimneys and earth-
the correct dilution ratio and filled porches).
Bureau of Entomology application of the correct
and Pest Control volume of that solution in or 3. Voids in hollow
1203 Governor’ Square around various structural masonry receive 2
Boulevard, Suite 300 elements. gallons of solution per
Tallahassee, FL 32301-2961 10 linear feet. Though
(850) 921-4177 Dilution ratios are a concrete block wall
specified on each termiticide may have multiple
label. Usually 1-2 gallons of chambers (2 or 3-hole
concentrate are used to make blocks), it is counted as
100 gallons of solution. one hollow void when
However, there are some calculating the amount
exceptions; it is important to of termiticide needed
review the label to know the for treatment.
The total volume of
solution used to treat various
structural elements is the same
on all termiticide labels:
Proper Pretreats Page 2
EXAMPLE TREATMENT OF A SLAB STRUCTURE
A 2,400 square foot
residential structure is
built on a slab with a
wall. How much
chemical should I
requires 498 gallons as
240 gallons applied to
the fill, 116 gallons for
the interior vertical
barrier (290 lin. ft.) along the
foundation walls (includes
both sides of the interior
garage walls), 92 gallons
for the exterior vertical
barrier (230 lin. ft.), and 50 A REMINDER ABOUT CALCULATIONS
gallons for the block voids
(250 lin. ft.). For slab structures, a good rule of thumb for a rough
calculation is to first figure one gallon per linear foot of
concrete block. Then divide the total slab area (square feet) by
A monolithic slab
10 to get the number of gallons for the fill treatment. Add
foundation of the same these two numbers together.
size and dimensions as
the example would The exact volume needed to treat two structures of
require a lesser amount equal “ground floor” size may vary depending upon the type of
of gallons to treat due to construction (monolithic construction needs less). However,
the absence of the the following guide shows the approximate volume needed for
concrete block found- concrete block foundation construction.
Structure Size Approx. Gallons
1,000 square feet 230 gallons
2,000 square feet 380 gallons
2,400 square feet 498 gallons
3,000 square feet 570 gallons
Proper Pretreats Page 3
TREATMENT AND CONTRACT REQUIREMENTS
Termiticide labels have Florida law requires that a
specific directions about the contract be issued whenever a
Pest Control Field Offices s s
product’ use. PCO’ must follow termite treatment conducted.
these directions, including use at the Contracts and warranties for post-
prescribed rate, to protect the home construction treatment vary from
from termites and to comply with company to company.
George Owens state regulations.
(850) 482-9508 # A “full” or “unlimited”
For the homeowner, an guarantee or warranty means the pest
Alachua incorrect treatment places the control company promises to restore
Mike McDaniel structure at risk of termite attack. any property damaged by wood-
Terry Montgomery destroying organisms during a
(386) 418-5500 If you are having a house specified period after the treatment.
built, make sure that termite # A “limited” guarantee or
protection is considered in the design warranty means the pest control
and construction of the house. If you company promises only to provide
are using a contractor, make sure additional treatment if an infestation
(727) 507-4151 that they have a qualified pest control occurs during a specified period after
Todd Caudill company provide termite protection treatment.
(727) 507-4152 treatment during appropriate stages
of construction. Any statement disclaiming
Orlando an expressed or implied guarantee or
Don Grant Termiticides must be warranty must appear in conspicuous
(407) 999-5305 applied in a way that establishes a type on the face of the contract.
continuous, unbroken barrier
between wood in a structure and The duration of post-
termites in the soil. Proper termite construction contracts and warranties
protection treatment during can vary from one year to five years
Larry D. Riggs construction typically requires at depending on the policy of the pest
(941) 278-7200 least two separate applications, and control company. Normally, the
may require several more. One annual renewal fee will remain the
Port Everglades application will be to the fill before same during the term of the contract.
George Moore the slab is poured. A second
Mary Cohen application will be to the exterior Remember, if you do not
Mike Petrozzino foundation after the final grade or renew your contract, it automatically
Porfirio Amador landscaping. Additional applications becomes null and void, and you have
Eric Reiss should be made during construction lost your protection. Read any
before adjoining slabs or driveways contract carefully before signing.
(flatwork) are poured.
Tallahassee CONTACTING THE DEPARTMENT OF
T. Wayne Gale, Chief AGRICULTURE AND CONSUMER SERVICES
The Department of Agri- operations and will randomly make
culture and Consumer Services will inspections of job sites where
inspect specific treatments in treatments are in progress.
response to consumer complaints
that indicate a possible improper Questions about termite
treatment. The Department will procedures should be directed to
also inspect treatments during the Department field office in your
compliance inspections of PCO area. (See list on the left).
Fall 1995 (Rev. 09/98, 12/99, 07/01)