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Types of APA Concrete Forming Plywood Panels

This information is adapted from APA’s Concrete Forming Design/Construction Guide, which includes examples of specific APA trademarked panels.  Further information can be obtained from APA’s engineered wood experts. Ask a question online or call APA on 001 253 620 7400.

All APA Plyform concrete form panels are Exterior classification, and are available in three classes denoting their strengths, Class I or Class II and Structural 1.  They can be ordered with specific faces and back veneer grades.

The three types of Plyform panels are:

  • B-B and B-C Plyform
  • HDO Plyform
  • MDO Plyform

APA’s standard, sanded exterior B-C grade plywood panels are also suitable for concrete forming when one smooth, solid face is required.

B-B and B-C Plyform
Available as
Structural 1
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Class I or Class II
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HDO Plyform or HDO Concrete Form
MDO Plyform or MDO Concrete Form
Standard B-C Grade Plywood

Standard sanded B-C grade plywood panels are also Exterior classification and therefore suitable for concrete forming.

  • Non-overlaid, sanded panel with one smooth surface
  • Face veneer: B grade
  • Inner plies:  C grade
  • Back:            C grade

 

 

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What is a ‘life cycle stage’ and how do these link to the environmental assessment of whole buildings?

How do core category rules link with environmental product declarations?

Whose responsibility is it to check that wood products being imported into the EU do not originate from illegally sourced timber supplies?

Does the EUTR require mills to provide any extra documentation for customs entry into the European Union?

Must all plywood and OSB panels carry a CE marking?

What is the definition of a construction product under the CPR?

What is a Declaration of Performance referred to under the Construction Products Regulation?

What is the difference between Structural 1 and Exposure 1?

Does structural panel siding have shear values?

What are mould and mildew, and do they compromise the integrity of engineered wood?

The CE-mark on an APA plywood panel means it conforms to European Standards – but which ones?

I want to use a Rated Sheathing panel for flooring/ roofing application, what info do I need to know?

Plywood: Span rating
OSB: Span rating

What extra strength benefits do Structural 1 OSB panels provide over standard Rated Sheathing panels?

Do APA panels give off formaldehyde?

Plywood: Formaldehyde
OSB: Formaldehyde

What is the difference between a touch-sanded panel and sanded panel?

I’d like to know how APA veneer grades match those given in the European standards

How do I correctly gauge the face appearance a plywood Siding panel?

I want to specify an APA panel for concrete formwork – what do I need to know?

Are APA panels tongue and grooved on all four edges?

I am not familiar with the term ‘Sized for Spacing’ – what is its significance?

How are Performance Category and thickness related?

I’d like to know more about a panel’s Span Rating and how it links to thickness.

Plywood: Span rating
OSB: Span rating

What is Span Rating on the APA trademark and why is it important?

Plywood: Span rating
OSB: Span rating

What is the difference between Exposure 1 and Exterior plywood panels? What are their appropriate uses?

What are the main OSB panels likely to be available in Europe?

What are the main plywood panels likely to be available in Europe?

What are the main European standards that I would need to be aware of for OSB panels?

The main standards are: EN 13986 and EN 300

What are the main European standards that I would need to be aware of for plywood panels?

The main standards are: EN 13986, EN 636, EN 314, EN 635-3