F4,F5,F7,F8,F11,F14,F17,F22,F27,F34 and F43 Plywood

How to identify rust stainsRust stains can look identical to tannin stains. However, there is a simple method toidentify stains associated with rust or oxidised iron. This involves applying “rust converter”to the stain. If the stain fades or disappears, the stain is caused by rust or oxidised iron. Ifthe stain is unaffected by the application of rust converter, the supplier …

Staining in FormplyThe most common stains associated with formply are: Rust stainingTannin stainingPinking – free phenol from the phenolic surface film.In the writer’s experience, most staining is due to rust deposits on the deck at the time ofpouring or iron in the aggregate. These stains appear red/brown and are often mistakenfor tannin staining.Tannin staining is the result of extractives from …

How to minimise Distortion (Bow and Twist) inFormply Do not use any new panels showing bow or twist out of the pack. Wheredistortion exceeds 30mm, these panels fail the product standard. They shouldnot be used and returned to the manufacturer.Prevent/Minimise Exposure to MoistureWhere formply panels that have been supplied flat on site distort, there is onlyone cause, this is exposure …

Wrap and Twist in FormplyAS 6669 provides a 30mm flatness limitation for formply sheets. To measure flatness,formply sheets are placed concave down on a flat surface and any bow or twist exceeding30mm above the flat fails the product Standard.In addition, sheets must be able to be pushed flat using “palm pressure”, of approximately15kg.Formwork plywood supplied to the market with flatness …

Stress-grades range from F7 to F34. Stress grades F11, F14, F17, F22 and F27 are the mostcommon.AS 6669 specifies four (4) surface qualities Class 2, Class 3, Class 4 and Class 5. Thesesurface qualities are aligned with AS 3610.The most common surface classes from AS 6669 for formply manufactured in Australasiaare: Class 2Class 3Good 1 side – Class 2 one …

Formply is usually sold on the basis of surface class, stress-grade and bond quality. Forexample “Class 2 F17 A Bond”.This indicates that the formwork plywood is intended to provide a Class 2 surface finish,has a stress-grade of F17 and has a Type A bond.AS 6669 permits three (3) bond types as follows: A Bond – Durable for 50 years weather …

Formply is manufactured from wood veneers glued with synthetic adhesives and overlayedwith “phenolic impregnated papers”, also called phenolic surface films. The phenolicsurface film is often referred as “plastic face”.The Australian Standard for formply is AS 6669 “Plywood Formwork”. This standardspecifies requirements for: Quality of the outer surface i.e. Class 2, Class 3 etc.Bond quality and durabilityThickness, length, widthFlatness at the …

In ongoing construction, project managers will need structural wood for concrete formwork. In urban and metro areas full of visually pleasing concrete buildings, they may be looking for formply that matches strength with high-quality. But what exactly is formply? Formply is structural plywood primarily for formwork, holding and protecting concrete until it sets. Sheets have a laminated face that provides additional benefits not found in regular plywood. A hard, durable surface resin …

Formply F14 structural sheeting provides support for the forming of concrete structures. It is a dimensionally stable and reusable product. F14 structural plywood suitable for formworkStrong and dimensionally stable veneerFilm faced to ensure sheets can be easily separated from concreteSmooth both faces of sheetingDurable A-Type marine bondClass 2 surface finish to concreteQuick to install and easy to work with This …

ormply F14 AS6669 Film Faced Plywood  Formply is made of a high-density overlay (HDO) of phenolic resin impregnated paper bonded to plywood. Formply is ideal for concrete formwork. The overlay helps to protect the hardwood face veneer as well as providing a sound surface for the poured concrete. F14 Non-Structural Form ply – 2400x1200x17mm F14 form ply is rated as …