Our windows are tested to AS2047 which generally specifies the requirements for design wind load, water penetration and air-infiltration.

Our range of standard SDH’s are rated for a minimum of 150 to 300pa water (depending on model) and the wind load is dependent on the glass width (as a rough guide the maximum glass widths are at a rating of about 700pa wind and as the width decreases the rating increases up to a max of 3000pa).  We have tested certain models up to 1000pa water and 3000pa wind load (these are very high results, even for commercial window products).