LandVac Optimum

Glass

Thickness of double glazing with performance exceeding triple glazing

For LandVac Optimum. CN Glass are a supplier for Vacuum Glazing Manufacturers, Landvac.

Frame Window
  • 25.1mm overall unit thickness
  • 0.4 centre pane U-value
  • Whole window U-values in a typical, thermally broken Aluminium product in the region of 1.2W/Km2.
  • 39dB estimated glazing acoustic value
  • G-Value of 0.59 (59%)
  • Toughened vacuum unit with 6.8mm laminated outer pane for building regulation compliance as standard
  • 15 year guarantee

Get Ahead of the Regulations - Compare Glazing Types

Double
Glazing

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Triple
Glazing

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LandVac
Optimum

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Glazing Shapes

LandVac is available in a variety of shapes. Here are just a few examples to inspire your project:

Shape Logo
Shape Groups
Shape Groups 2

Width to Height maximum ratio 1:6 for 8.3mm. Bigger than that and it will be 10.3mm. Any shape with a right angle and single point of radius. Isosolese triangles or right angled triangles with a hypotenuse greater that 370mm.

CAD drawings must be supplied for any shape orders.

LandVac Data Table

Product Series Indoor to Outdoor

4T+0.3V+4TL (S1.16) + 9Ar + 3 + 0.76P + 3
4T+0.3V+4TL (D80) + 9Ar + 3 + 0.76P + 3
4TL (S1.16) + 0.3V+4TL (S1.16) + 9Ar + 3 + 0.76P + 3
4TL (D80) + 0.3V+4TL (D80) + 9Ar + 3 + 0.76P + 3

U-Value
(W/m2K)

0.4
0.4
0.4
0.4

Visible Light
(Transmittance)

72%
63%
70%
54%

Visible Light
(Outdoor Reflectivity)

18%
19%
15%
16%

SHGC
(g-value)

0.59
0.46
0.48
0.32

Shading
Coefficient

0.68
0.53
0.55
0.37

Weighted Sound Reduction Index

41dB
41dB
41dB
41dB

Weighted Sound Redution Index:
41dB

U-Value(W/m2K):
0.4

Product Serries
Indoot to Outdoor		 4T+0.3V+4TL (S1.16) + 9Ar + 3 + 0.76P+ 3
Visible Light (Transmittance) 72%
Visible Light (Outdoor Reflectivity) 18%
SHGC(g-value) 0.59
Shading Coefficient 0.68
Product Serries
Indoot to Outdoor		 4T+0.3V+4TL (D80) + 9Ar + 3 + 0.76P+ 3
Visible Light (Transmittance) 63%
Visible Light (Outdoor Reflectivity) 19%
SHGC(g-value) 0.46
Shading Coefficient 0.53
Product Serries
Indoot to Outdoor		 4TL (S1.16) + 0.3V+4TL (S1.16) + 9Ar + 3 + 0.76P +3
Visible Light (Transmittance) 70%
Visible Light (Outdoor Reflectivity) 15%
SHGC(g-value) 0.48
Shading Coefficient 0.55
Product Serries
Indoot to Outdoor		 4TL (D80) +0.3V +4TL (D80) +9Ar + 3 + 0.76P+3
Visible Light (Transmittance) 54%
Visible Light (Outdoor Reflectivity) 16%
SHGC(g-value) 0.32
Shading Coefficient 0.37

General Criteria and Specification Notes

  • Maximum Unit Size 1500mm x 2500mm
  • Minimum Unit Size 300mm x 300mm. Please note that minimum unit size for pricing is 0.3m2.
  • All LandVac Glass is toughened and has been certified to BS12150-1.
  • U-value certified using hot box testing at IFT Rosenheim on 9.3 unit.
  • More on Vacuum Glazing

Let’s get in touch

Contact CN Glass today to arrange a quotation. Reach us in the following options.

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Address:

Norton House, Beaumont Road
Banbury, Oxfordshire OX16 1SD

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Phone Number:

01295 263 364

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