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APP Crawlspace
Systems™
Technology
CLOSED
CRAWLSPACE SPECIFICATION
I. GENERAL
1.01 General requirements of the Project Manual shall apply to all
work specified in this section.
1.02 Quality
Assurance
A. Installer
1.
Installer shall be trained & certified, by Advanced
Prevention Products, LLC™ or its appointed agents, in
accordance with by Advanced Prevention Products, LLC™
methods and standards for closed crawlspace installations.
2.
Installer shall certify, in writing, that all technicians
utilized for work in this section have been –
a.
Trained and certified journeymen in the Advanced Prevention
Products, LLC ™ closed crawlspace installations.
b. Shall
have demonstrated a proficiency, in this area, by citing past
usage of these products as a complete system.
1.03 Submittals
A. Product
Data: Submit manufacturer’s technical information, including
Product Technical Data Sheets, Material Safety Data Sheets,
detailing job site and personal safety instructions, product
mixing instructions and application instructions for each material
specified. Identify by manufacturer’s catalog number and general
classification:
1.
Technical Sheet; No Grow 25™ Product information
2. MSDS;
No Grow 25™ Product MSDS
3. Sample
of 25 Year Full Remediation Warranty
4.
Operations Manual for Santa Fe Advanced Dehumidifier
1.04 Job
Conditions
A. Apply
No Grow 25™ only under the following prevailing conditions:
1.
Surface and material temperatures are not below 320
F.
or above 1100
F.
2.
Structure is dry and has water tight roof in place.
3. Prevent
direct exposure to water for 5 days on the freshly treated
surfaces to avoid affective curing of the treatment.
B. Grade to
be sloped to on primary location with all debris removed from
crawlspace
II. PRODUCTS
2.01 Materials
A. No Grow
25™ Mold & Mildew Preventive Coating
1.
Application treatment to be applied to structural interior
surfaces, including:
a. Wood,
Block, Concrete, Steel framing or structural components
manufactured of wood, metal, or concrete.
1.
Sheathing, plywood, oriented strand board (OSB), Floor
Joists, Wall Members
b.
Concrete block, brick, or other cementious materials used for
structural design.
B.
Aqua-Shield Moisture Barrier
1.
Application to include:
a.
Install on floor, walls, and piers of crawlspace
b. Tape
all seams with Joint-Loc 35
c.
Tape all joints with Seam-Loc 25
d.
Attached with Bullet Fasteners
C.
Joint-Loc 35
1.
Application to include:
a.
Aqua-Shield to be lapped 4” to 6”
b. All
joints to be tapped between laps.
D.
Seam-Loc 25
1.
Application to include:
a. All
joints sealed on top.
E. E-Wrap
insulation
1.
Application to include:
a.
Installed on inside of all exterior walls.
b. See
local building codes & manufactures specs. For R values.
c.
Installed on inside of crawlspace door.
d.
Attached with Quick Drive Fasteners to walls.
F.
Crawlspace Alert System Monitor System
1.
Application to include:
a.
Control panel with keypad.
b. HS60
Humidity sensor(s).
c. WD24
Water bug sensor(s).
d. Pump
contacts.
e. 120v
Electrical outlet to be installed by G.C. / Owner.
f.
Telephone line installed by G.C. / Owner.
g. An
offsite/remote monitoring system is installed to monitor
water, humidity, and pumps in the system.
G. ED8
Water Drainage.
1.
Application to include:
a. 8”
drain in lowest point of crawlspace floor.
b. 2”
pipe with p-trap drain to daylight.
c. Or
SP400 Sump Pump system according to grade.
H.
Moisture Eliminator Dehumidification
1.
Application to include:
a.
Permanently installed dehumidifier. (Min. 30 pints per day)
b. Sized
according to cubic square footage of crawlspace to allow
enough CFM’s.
c.
Moisture Eliminator Pump (Condensate Pump)
d. 120v
Electrical outlet to be installed by G.C. / Owner.
2.02 Product
Requirements
A. No Grow
25™ Mold & Mildew Preventive Coating
1. Surface
Treatments shall be inorganic silica cross-link cured
film structures.
a. V.O.C.
must be “0”
2.
Treatment must be warranted for 25 years and must include a
Manufacturers Backed 25 Year full remediation warranty on all
treated areas.
a.
Warranty must be serialized and traced to the property address
of application and must be enforceable without regard to
ownership.
2.03 Material
Preparation
A. Mix
materials strictly in accordance with manufacturer’s most
current printed technical literature.
B. Thinning:
NO THINNING is required for the No Grow 25™ Mold &
Mildew Preventive Coating
C. Surface
must be dry prior to application.
2.04 Equipment
Requirements
A. Mixing
Equipment
1. Drill
operated high-shear mixer
2.
Continuous mixing shall include not less than 5 minutes with
assurance of thoroughly mixing all sediment into solution.
B. Spray
Equipment for No Grow 25™
1. Airless
sprayer such as Graco 395 or higher or Titan 440 or higher
C. Spray Tip
1. 517
D. Assorted
tools, extension cords, water hose & nozzle, clean buckets, clean
cotton cloths, scrub brushes mounted on pole extension handles,
sponges, ladders, utility knife, etc;
E. Protective
masking materials and applicator.
F. NIOSH
respirator
G.
Safety goggles
2.05 Mixing
A. No Grow
25™ Mold & Mildew Protective Coating:
1. No
Grow 25™ must be properly mixed prior to use. This product
is packaged, in ready to use container. For proper mixing –
a. Using
an mixer with a variable speed drill and mixing paddle, blend
for 5 minutes at high speed. Be certain to mix all sediment
which has settled to the bottom of pail completely before use.
Repeat mixing periodically every 20 minutes while in
continuous use. Foaming may occur this is a normal response to
the mixing process and should not present any concern.
2.06 Protective
Surface Treatment Schedule
A. As
indicated on this schedule
1. Mold &
Mildew Treatment installation onto all unfinished wall surfaces
according to project work scope.
III. EXECUTION
3.01 Pre-work
Inspection
A. Examine
the crawlspace and report any conditions that would adversely
affect the performance of the protective treatment and which
cannot be put into an acceptable condition by specified surface
preparation methods.
B. Remove
and/or replace any surfaces, which cannot be put into an
acceptable condition.
C. Do not
proceed with the mixing or application of the specified protective
treatment until all surfaces can be placed into an acceptable
condition.
D. All
surfaces must be dry and free of any debris, or residue that would
interfere with adherence of coating to structural members.
F. Crawlspace
floor to be at final grade and free of all vegetation and debris.
3.02 No-Grow
Application (Optional):
A. Spray
No-Grow 25 on all exposed wood in crawlspace at a coverage
rate of 500 square foot of coverage area.
B. Allow 1
hour dry time.
3.03 Water
Drainage
A. Dig hole
into crawlspace floor to accommodate 8” drain or sump pump basin.
1. Install
ED8 system with 2” p-trap and drain line to exterior of
crawlspace.
2. SP400
Sump Pump to have 2” drain line to exterior of crawlspace.
SP400 System to be installed only if grade does not allow
for proper drainage.
3. Install
varmint traps on end of each outside drainage line.
4.01 Moisture
Barrier
A.
Aqua-Shield Moisture Barrier to be installed on all exterior
crawlspace walls, stopping 3” from seal plate to allow for termite
inspection.
1. Install
Aqua-Shield on crawlspace exterior walls stopping a min.
of 6” above outside grade, allow 12” min. turn down onto
crawlspace floor.
2. Use
Ultra Seal 25 Adhesive to attach Aqua-Shield to walls
& piers. Adhesive bead needs to be at all edges and top of
liner.
3. Fasten
Aqua-Shield to wall & piers at all edges and top with
Bullet Fasteners at 24” o.c.
4.
Crawlspace walls not located to exterior are only required to
have Aqua-Shield to turn up wall 6”-12” Allow 12” to
turn down onto crawlspace floor.
5. All
piers to be completely wrapped will Aqua-Shield turning
up pier 6” min. allow 12” to turn down onto crawlspace floor.
6. Lap all
joints 4”-6” using Joint-Loc 35 between all joints.
7. Install
Seam-Loc 25 on top of liner at all joints.
B. Cover
entire crawlspace floor with moisture barrier, lapping all joints
4”-6”.
1. Lap all
joints 4”-6” using Joint-Loc 35 between all joints.
2. Install
Seam-Loc 25 on top of liner at all joints.
5.01 Insulation
(optional)
A. Cover all
exterior crawlspace walls with E-Wrap stopping 3” below
seal plate and stopping 3” from crawlspace floor.
1. Use
Ultra Seal 25 Adhesive on top and bottom of insulation.
2. Fasten
insulation to crawlspace wall by using Quick Drive Fasteners
@ 24” O.C. along top and bottom of insulation.
3. Tape
each joint with Foil tape.
6.01 Monitor
System (optional)
A. Install
Crawlspace Alert System (CAS) keypad and control system close
to crawlspace access.
1. Install
HS60(s) inside of crawlspace, fastened to bottom side of
floor system.
2. Install
water WD24(s) close to ED8 Drain.
3. Connect
pump contacts to control system.
4. GC to
provide 120v outlet and Telephone line for Management System.
7.01
Dehumidifier
A. Install
dehumidifier stand, located close to center of crawlspace.
1. Stand to
be treated with No Grow 25™
B.
Permanently install Moisture Eliminator, and securely
fasten to stand.
C. MEP
to be securely fasten to stand and connected Moisture
Eliminator.
1. Drain
line to be drained to outside of crawlspace. (max. lift of 20’)
D. GC to
provide 120v outlet for dehumidifier.
8.01 Inspection
A. Inspect
and repair all work that is not acceptable to the Specifier and
request the final acceptance.
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