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Frequently Asked Questions


What is a U-value or U-factor?

Which glazed assemblies need to be tested to AS 2047?

Why should there be an AWA compliance audit every year?

What are the differences between STC & Rw ratings?

Can I vary the hardware on a tested product?

Can I extrapolate and make larger and smaller sizes from the ones tested? How much?

Do adjustable louvres with metal blades, or ones with the top half glass and the bottom half metal, need to comply with AS 2047?

How can a toilet window with permanent ventilation meet the waterproofing requirement?

Is a window fabricated to order by a joinery shop an architectural one off window?

Can I make a composite window from windows I have tested?

As a glazier currently supplying a certificate for AS 1288, what do I do now?

Who can tell me what testing rigs are available?

How does a manufacturer certify an exemption?

Who is responsible for certifying an architecturally designed window?

Can architects and or owners specify design requirements that do not meet AS 2047?

Are manufacturers protected by a letter or certificate signed off by the architect and or owner?

Can we supply smaller rebates in sills under bi-fold and sliding door systems than those that are required to meet AS 2047? Can we make a door under deemed to comply provisions and extrapolate down?

Extrapolation is accepted in the standard. Can I add extra hinges and locks to maintain the same unsupported sections as tested units?

If you change anything on a window that has been tested, do you need to retest the whole package?

If a certain species of timber is specified to match a tested window can I use any timber?

What should I do if I receive an order to manufacture a frame that has not been tested?

Can a manufacturer use larger sections than those tested and still achieve the same rating as those tested?

Who is responsible for the windows having the correct wind load rating for a given site?

There seems to be general industry confusion regarding the actual responsibilities for nominating wind ratings for sites. Who is actually responsible?

What is the difference between R-value and U-value?

What is Visible Transmittance (VT)?

What is the difference between ANAC and NFRC ratings, and which one should I use?

Why do I need the air infiltration figure from my AS2047 test report for an energy rating?

Are there any recommendations I should consider to deliver comfort to my customer?

Is a 7-ply wood door better than a 5-ply wood door?



May  
Thu 17th Powder Coating Course - QLD
Fri 18th Powder Coating Course - WA
Thu 24th Sales Course - VIC
Wed 30th Level 1 Training - VIC



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