Exterior blinds

Underplaster purenit box

Thermo isolation box for external venetian blinds is well designed construction part which brings lots of useful features. These come especially from the PURENIT material characteristics which the boxes are produced from.

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Advantages

Benefits & advantages

high resistence
durable and light materiál
minimal temperature dilatation
fire resistance B2 according to DIN 4102-1
various dimensions and variations

Limit box dimensions

minimum box lenght D: 500 mm
maximum box width D: 6000 mm
maximum dimension A: 600 mm
maximum dimension B: 300 mm
maximum box depth C: 600 mm

Purenit boxes variations

ISOTRA PB	ISOTRA PB-IS	ISOTRA PB-L

Purenit boxes variations

If the box is longer than 3500 mm (board size) it is supplied in more pieces which need to be connected later together see boxes connection straight and angled

Variants of boxes

Purenit insulation reveal PIO
Polystyrene reveal SIO
Purenit reveal PUR

Reveal limit dimensions

Dimension A		Dimension B		Dimension C
Min.	Max.	Min.	Max.	Min.	Max.
120 mm	2400 mm	150 mm	300 mm	60 mm	200 mm

* Casing Overhang 150 mm is finish calculated in production.

THICKNESS PIR* insulation (for ISOTRA PB-IS type)

Thickness mm	20	30	40	50	60
Heat resistance R_D[(m².K)/W]	0,20	0,35	0,45	0,55	0,70
Heat transmission coefficient R_D[(m².K)/W]	2,94	2,04	1,69	1,45	1,19
Diffusion resistance Sd [m]	0,16	0,24	0,32	0,40	0,48