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Product Code: 611
Description: FIR AB MARINE PLYWOOD 1/4" -4'X8' EXTERIOR
 
Price: $41.60/PC
 

Quantity:


Details
MARINE AB FIR
SANDED PLYWOOD
EXTERIOR GRADE

1/4" 4'x8' -3 Ply

Full Thick
Product Downloads:
Material Safety Data Sheet
 
Product Specifications
 
Technical Specifications



NOT PRESERVATIVE TREATED

Whole piece rotary cut face, Fir wood every layer, Football patches on both faces, This material is used when appearance is not important.

Marine-Grade Plywood

For boat-building applications, a special grade of plywood, APA Marine Exterior, is available. Marine-grade plywood is a premium panel using the same fully waterproof glues as regular Exterior plywood, but manufactured with only Douglas-fir or Western Larch veneers, and with additional restrictions on veneer grade, core gaps, patches and other characteristics.

The grade of all plies of veneer is B or better. B-grade veneer may have knots but no knotholes. A-grade veneer has no knots or knotholes. Both A and B grade may contain wood or synthetic patches. Panels are sanded on both faces.  The maximum core-gap size permitted is 1/8 inch. Its exposure durability rating is EXTERIOR and the glue used is a fully waterproof structural adhesive. It is considered a "premium" panel grade for use in situations where these characteristics are required. It is available in 4x8-foot sheets of 1/4, 3/8, 1/2, 5/8 and 3/4-inch thickness.

Marine-grade plywood is not treated with any chemicals to enhance its resistance to decay. If decay is a concern, it should be pressure-preservative treated to an appropriate standard. The detailed description of veneer grades and Marine-grade plywood is contained in Voluntary Product Standard PS 1-95 Construction and Industrial Plywood.

Marine grade should be used where bending strength is important, such as boat hulls. Basic Exterior-type plywood may be used for most other applications in boat construction. Plywood panels rated as Exterior but not Marine, such as A-B, A-A or C-C Exterior, may contain any other permissible species and contain C-grade veneer. Unless specially improved, C-grade veneer is permitted to contain knots and knotholes up to approximately 1-1/2 inches across, and the inner plies may have core gaps up to 1-inch wide.  

                                                                

               • Slow growth inland Douglas Fir and Western Larch yield fine-grained, smooth faces
• All Group 1, Struc 1 species Faces
• "A" grade faces shall be limited to a total of nine repairs in a 4'x 8' panel. Backs, Centers & Cores All backs, centers and inner plies shall be "B" grade or better and shall be full length and full width. Neither edge of a panel shall have any cross band gap or edge splits in excess of 1/8" wide or 4 in number. No inner ply laps are allowed.
         
                             
MARINE PLYWOOD AB FIR

APA MARINE Specially designed plywood panel made only with Douglas-fir or western larch, solid jointed cores, and highly restrictive limitations on core gaps and face repairs. Ideal for boat hulls and other marine applications. Also available with HDO or MDO faces. EXPOSURE DURABILITY CLASSIFICATION: Exterior. COMMON THICKNESSES: 1/4, 3/8, 1/2, 5/8, 3/4.




Specifications
**CARB COMPLIANT **NAUF - No Added Urea Formaldehyde ***Meets or exceeds the APA grading standards ***EXPOSURE DURABILITY CLASSIFICATION: Exterior ***COMMON THICKNESSES: 1/4, 3/8, 1/2, 5/8, 3/4


Options
7111 FIR AC SANDED PLYWOOD 1/4" -4'X8'  EXTERIOR




   
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