Specification Sheet
鈩?
CertainT WeatherBoards FiberCement Sof铿乼
eed
FiberCement Soffit (Ventilated and Non-Ventilated)
General Description: WeatherBoards鈩? FiberCement sof铿乼 is available in products providing both traditional and
contemporary aesthetics. It is suitable for residential and light commercial applications. These products offer a high
degree of dimensional stability and impact resistance. Sof铿乼 is available in ventilated and non-ventilated designs.
Styles:
Style Finish Net Free Panel Ventilation Thickness
Air Space Size Slot Dimensions (Nominal)
Per Lineal Ft. (Approx.)
Cedar FiberTect* 鈥? 12" x 12' 1/4"
FiberTect* 鈥? 16" x 12' 1/4"
FiberTect* 鈥? 24" x 12' 1/4"
Cedar Ventilated FiberTect* 6.0 Sq. In. 12" x 12' 3-1/2" 鈥? 5-3/8" x 3/16" 1/4"
FiberTect* 6.0 Sq. In. 16" x 12' 3-1/2" 鈥? 5-3/8" x 3/16" 1/4"
FiberTect* 6.0 Sq. In. 24" x 12' 3-1/2" 鈥? 5-3/8" x 3/16" 1/4"
Smooth FiberTect* 鈥? 12" x 12' 1/4"
FiberTect* 鈥? 16" x 12' 1/4"
Smooth Ventilated FiberTect* 6.0 Sq. In. 12" x 12' 3-1/2" 鈥? 5-3/8" x 3/16" 1/4"
FiberTect* 6.0 Sq. In. 16" x 12' 3-1/2" 鈥? 5-3/8" x 3/16" 1/4"
*Sealing System
Finishes: CertainTeed鈥檚 exclusive FiberTect鈩? Sealing System ready for 铿乪ld top coating with high quality, acrylic latex
paint. CertainTeed WeatherBoards FiberCement soffit must be allowed to breathe; therefore, it must never be primed,
painted or stained on the back side. 12" non-ventilated sof铿乼 is available pre铿乶ished or prestained.
Surface Patterns: Cedar-textured grain and Smooth
Sizes: 12" (305mm), 16" (406mm), 24" (610mm) x 12' (3657mm) length
Composition: The products are manufactured using a multi-step high-pressure process combining Portland cement,
sand, wood fiber and specialty additives. Wood grains and other architectural features are pressed into the surface.
Technical Data: CertainTeed WeatherBoards鈩? FiberCement sof铿乼 was tested in accordance with the American Society for
Testing & Materials (ASTM) standards of the following specifications:
ASTM C1185-96 Sampling and Testing Non-Asbestos Fiber-Cement Flat Sheet, Roofing and Siding Shingles, and Clapboards
ASTM E84 Surface Burning Characteristics of Building Materials
ASTM E136 Non-Combustible
ASTM G26-95 Operating Light-Exposure Apparatus (Xenon-Arc Type) With and Without Water for Exposure of Nonmetallic Materials
Approvals: International Conference of Building Code Officials ER-5735
National Evaluation Service, Inc., report no. NER-537
Weather and Other Considerations: Product offers resistance to freeze/thaw cycles and is highly dimensionally stable.
It is resistant to damaging ultraviolet (UV) rays and salt spray. It is immune to wood-boring insects. Product can resist
high wind forces when installed in accordance with CertainTeed application instructions; see instructions for details.
Fire Resistance Characteristics: CertainTeed WeatherBoards鈩? FiberCement sof铿乼 products have a Class A Fire Rating,
Flame Spread - 0, Smoke developed - 5, per ASTM E84.
Installation: Preparatory Work 鈥? CertainTeed WeatherBoards鈩? FiberCement sof铿乼 products are cut and installed like
conventional wood sof铿乼. Handle and store product according to CertainTeed recommendations. WeatherBoards鈩?
FiberCement sof铿乼 should be applied to nominal 2"x 4" framing members spaced no more than 24" (610mm) o.c.,
with the long dimension perpendicular to the framing. Use H-channel at mitered corners.
Note: CertainTeed WeatherBoards鈩? FiberCement sof铿乼 must be installed with the textured or smooth finished exterior
surface facing out.
Methods 鈥? Complete installation recommendations are available from the manufacturer. Use hot-dipped galvanized or
stainless steel fasteners. Do not use staples. Space fasteners every 6". Keep fasteners at least 3鈦?8" from the edge and no
closer than 2" from the corners. Edges should be lightly butted, fastened at corresponding ends, and supported by
framing.
Precautions 鈥? Avoid breathing dust created by drilling, cutting, sawing, sanding, or otherwise abrading the material.
Use with adequate ventilation and a dust collection system; see MSDS for additional dust precautions. FiberT 鈩?-Sealed
ect
sof铿乼 must be painted within 24 months of application.
Building Codes 鈥? Current data on building code requirements and product compliance may be obtained from
CertainTeed. Installation must comply with the requirements of all applicable local, state and national code jurisdictions.
Warranty: CertainTeed offers a prorated warranty to the original purchaser and the first transferee for a period of
50 years from the date of purchase. The warranty includes SureStart鈩? Protection for the original purchaser only for
a period of 2 years following the date of installation. Under SureStart, CertainTeed, at no charge, will pay to repair or
replace any FiberCement sof铿乼 proven to be defective during the 2-year SureStart period. CertainTeed warrants that the
product will be free from manufacturing defects and will not crack, rot or delaminate and will not suffer damage from
termites when stored, installed and maintained according to CertainTeed printed instructions. See warranties for details
and limitations.
Technical Services: CertainTeed maintains an Architectural Services staff to assist building professionals with
questions regarding CertainTeed siding products. Call (800) 233-8990 for samples and answers to technical or
installation questions.
CertainTeed Corporation
P.O. Box 860
Valley Forge, PA 19482
www.certainteed.com
漏 11/03 CertainTeed Corporation
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