See our range of internal sunscreen fabrics below.
Specific tests allow comparison of the different solar protection alternatives. The Visible Transmittance (tv) and the Openess Factor (OF) are the most significant results. Each of Helioscreens fabrics has been subjected to these tests and the results are tabled to measure the effectiveness of the screen and match it to the level of control required. Different facades will require different levels of control, dependant on numerous factors including the use of the building and the direction it faces. The tests are explained below:
The visible transmittance measures the percentage of visible light coming through the fabric. A low figure shows a very efficient fabric. (The Tv is identical whether the blind is placed inside or outside the building)
The Openness factor measures the proportion of holes in a fabric. This parameter is important to calculate the degree of visibility through the fabric. The Openness Factor is expressed as a percentage. A low OF shows that the fabric is a very close weave. This factor is determined with light rays therefore it varies slightly with the colouring of the fabric.
This factor measures the proportion of solar energy transmitted through a fabric. It is expressed as a percentage and for the fabric alone. A low figure indicates a good filtration of solar energy by the fabric.
This factor measures the proportion of solar energy reflected by the fabric. It is expressed as a percentage and for the fabric alone. A high figure indicates a good reflection of solar energy by the fabric.
This factor measures the proportion of solar energy absorbed by a fabric. It is expressed as a percentage and for the fabric alone. A low figure indicates a low absorption.
In recognition of environmental issues, the Enviroluxe fabric range has been compiled. These fabrics are manufactured using eco-friendly materials and methods, they have low VOC omissions and come with Greenstar Award accreditation. Their superior light and heat control qualities mean that interior air conditioning and light control systems utilize less energy. The Enviroluxe range is an example of a stunning screen fabric that puts environmental concerns first. Contact us for more information on our eco-friendly fabrics.
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