Rooflights.ie - Domes Rectangular and Square

Domes Rectangular and Square

	Domes Rectangular and Square

Sorts

Polycarbonate

Characteristics

Almost unbreakable
Less sensitive for agressive solutions
UV resistant (does not turn yellow)

Acrylic

Characteristics

Not sensitive for weather influences
Less sensitive for agressive solutions
Optical clear (maximum light transmission)
Free if tension

Comparison acrylic/polycarbonate:

Technical specifications	PMMA	PC
Impact resistance in relation to glass	25x	300x
Fire classification according to NEN 6065	4	2
Form resistance according to Vicat	110^oC	140^oC
Weather resistance	++	+

Types

Single Skin	Double Skin	Triple Skin	* Triple skin pyramids have a dome-like inside skin. Domes and pyramids can be delivered with warmth-reflecting inside skin: the "Heatstop" coating. Acrylic domes and pyramids are available in different colors.
Acrylic (PMMA)
Clear/Opal	Clear/Opal	Clear/Opal
Polycarbonate (PC)
Clear	Clear/Opal (PC/PMMA) Clear/Clear (PC/PC)	Clear/Opal PC/2PMMa

Heat Insulation

Light Transmission

Rooflights	U-value
Single skin	5.3
Double skin	2.8
Triple skin	1.9
PVC upstand small flange	2.8
PVC upstand broad flange, 15cm standard with PS insulation	1.3
PVC upstand broad flange,standard with PS insulation	1.0

Rooflights (LYA)	(PMMA)%
Single skin clear	92
Single skin opal	81
Double skin clear	85
Double skin opal	75
Triple skin clear	75
In case of double and triple skin domes made of PMMA, all iner skins are clear	69

Sizes

Download Vaculux Standard Size Guide.