Page 73 - Glass-Technology International no. 1-2019

FINNGLASS

Finnglass has over 30 years of experience in developing and manufacturing
electrically heated glass for structural glass façades and window solutions to achieve
comfort and beauty in the face of the most challenging climates and conditions.
The company believes that the highest value is achieved by innovating radically new
solutions based on client needs, including leading glass and metal contractors around
the world. Finnglass’ vision and values are driven by quality, assured by maintaining
other system or technology. cold-wall effect con- Technical solutions are designed and tested using unique simulators and highly
both product design and manufacturing at its premises in Finland.
The edges of the interior sumes only 20 to 30 advanced analysis tools developed in collaboration with leading universities.
glass panes have electrode Watts of energy per r
strips, which lead electric square meter of glass.
lass.
When heating is installed
current from a highly flex- When convection and cold When heating is installed
cold
ible double-insulated cable radiation asymmetry are on the interior glass, it can coil units, which can
il
i
hi h
i
hi
i
l
to the heating coating. The eliminated, the room tem- be used in humid environ- lead to substantial savings
glass panes have air or ar- perature can be lowed with- ments such as swimming in construction costs. These
gon in between and are held out compromising comfort. pools to prevent condensed cost savings in constructing
together with a sealant. We showcased increased water from leaking into the new buildings more than
Standard polyurethane comfort with our cold wall structures, causing damage. make up for the initial in-
sealant is used for glazing effect simulator at Glasstec MAXIMIZE FLOOR vestment in heated glass.
window solutions, and sili- 2018. Visitors were aston- SPACE AND SAVE Alternatively, in old build-
cone sealant for structural ished at the incredible dif- COSTS ings you can remove fan
glazing. The use of point ference in comfort when coils and enjoy more op-
fixations is also possible for standing next to heated Having heating directly on erational space. For com-
structural glazing. glass with a U-factor of the surface of glass elimi- mercial spaces, this means
With Finnglass’s cutting- 0.5, compared to normal nates the need for other additional workspace in
edge technology, even insulated glass with the heating devices aiming at offices and more tables in
shaped glass can be in- same U-factor. preventing convection and restaurants.
stalled with heating to Another typical problem is freezing, such as radiators
warm uniformly without condensation, or the for- or fan coil units. These
transformers, saving on mation of water, on the heating devices are usu- Finnglass Oy
investment, usage and en- surface of glass. The key ally installed at the base of
ergy costs. here is to warm glass right glass walls and take up be-
above dew point. When tween 0.5 and one meter of
ENERGY EFFICIENT heating is installed on the space all along the length
COMFORT Asematie 46
exterior glass, it prevents of a glass wall. With heated
Fin-63400 Alavus - Finland
To heat glass just enough condensation, ice forma- glass, you eliminate having
Tel.: +358 - 6 - 5155100
to prevent convection and tion and snow build-up. to build extra space for fan Fax: +358 - 6 - 5155111
E-mail: timo.saukko@finnglass.com
www.finnglass.com
KEY FIGURESSS

2
U-factor: standard 0.5–1.0 W/m K
Efficiency: > 90 % of heat directed indoors
Comfort heating consumption: 20–30 W/m 2
2
Snow melting costs: ~ 1 Euro/m /year in Finland
2
2
Power: 0–700 W/ m for indoors, up to 3000 W/m for
marine applications (outdoor ship glass)
Voltage: 0–400 V

Fan coil units installed along the base of
big glass walls can easily waste tens or
even hundreds of square meters. They
are usually installed to help reduce
convection, but end up only moving
draft further away from windows.
With heated glass, you can eliminate
convection without wasting space

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