Piper Windows - for the very best in double glazing,
double glazed windows, double glazed conservatories, double
glazed doors, fire doors, security windows and security doors.
Piper Commercial Doors
The Stormframe ST thermally broken commerical doors are suitable for installion in a new build or replacment projects in commercial or public buildings. They can be constructed to from single or double doors to be inserted directly in masonry, side frames or curtain walling. The Stormframe ST door offers high levels of both thermal insulation achieving a U value of 2.2 W/m2K.

Sizes
Door leaf maximum sizes will be determined by a combination of site exposure conditions and hardware specification.
For rebated doors, the overall leaf weight should not exceed 120 Kg for a two-hinge installation.
For centre pivot doors, suitable strengths closers must be fitted according to the width and area of the door leaf.
Maximum door leaf weight = 90 Kg
Minimum door width is 910mm for Adams Rite exit device when panic bar is fitted.
Maximum opening size for pivot and rebate doors leaves are 2150mm high x 1175mm wide
(1050mm wide for concealed closers).
Glazing beads and gaskets will accomodate glass and/or panels of 28mm and 32mm normal thickness.
