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IKO Armourvent Multi / Multi Plus
IKO Armourvent Multi and Multi Plus are ventilation systems that provide you a fabulous roof without visible appliances. The unique design consists of a thin but ultra-strong profile ensuring a smooth, straight and virtually invisible roofline.
UV exposure and resistance of underlayment
Anywhere the underlayment is exposed directly to sunlight, UV radiation will accelerate its deterioration. Even though an underlayment can serve as a temporary, short-term roof cover, it’s necessary to install shingles over this underlayment within 2 or 3 weeks. UV radiation can make the polypropylene fabric peel off first; however the bitumen part will still be watertight. Anyhow aesthetically it doesn’t look good. So installing the shingles as soon as possible is highly recommended.
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Remember:
The underlayment is a key component of the roofing system. The price difference between underlayment options usually adds up to a few hundred euros in your overall roof replacement project. If you are investing in high quality IKO shingles that will improve your home’s value for years to come, choosing a better quality, more durable, water-resistant underlayment is well worth the extra cost. That is why IKO the professional range of Armourbase underlayments is highly recommended.
Want to see the high quality of our Armourbase underlayments before making your decision? Or are you having difficulties deciding between two types of Armourbase?
Interested in the product mentioned in this blogpost?:
The IKO Group is a global leader in the manufacture and supply of bituminous waterproofing and residential roofing products.
Bitumen roof shingles are IKO's primary business. IKO strives to be a global expert in roofing and waterproofing, by offering world-wide quality and diversity. Vertical integration is part of this high quality process.

IKO controls the processing of all its strategic raw materials and has bitumen oxidisation facilities at all its plants.
Vertical integration guarantees that IKO customers will get the most consistent and high quality shingles available on the market.

With over 20 production facilities throughout North America and Europe, IKO has become the world leader in the manufacture and supply of bituminous waterproofing products.
European based IKO Sales International produces +/- 70 different shapes and colours of shingles.
The European range of shingles is produced with a glass fibre mat inlay, as specified by the European norms.

IKO Locations
IKO is available wherever you are. We have secured our presence by building a strong network of local businesses and reliable local partners.
- IKO Belgium - IKO Sales International NV
Truibroek 74, 3945 Ham, Belgium
T: (+32 ) 11 34 01 20 - F: (+32) 11 34 01 30 - E-mail
- IKO Slovakia – Production plant IKO Sales International NV
Kaplinské Pole 16, 905 01 Senica, Slovakia
T: +421 (0)34 698 3111 - F: +421 (0)34 698 3150 - E-mail
- IKO Germany - IKO Dachschindeln Vertrieb GmbH
Auerstrasse 120, D-01640 Coswig, Deutschland
T: (+49) 3523 77400 – 0 - F: (+49) 3523 77400 - 19 - E-mail
- IKO Hungary - IKO Magyarország Kft.
Torbágy u. 10/c, 2045 Törökbálint, Hungary
T: (+36)13 47 06 10 - F: (+36)12 80 66 45 - E-mail
- IKO Poland - Iko Sp.
ul. Damrota 170, 43-100 Tychy, Poland
T: (+48) 32 32 64 546 - F: (+48) 32 32 64 516 - E-mail
- IKO Romania - IKO Sales International NV (local representative)
str. Stefan Mironescu nr.6 bl.26 sc.B ap.6,
500222 Brasov - Romania
T: (+ 40) 268 367 986 - F: (+ 40) 268 367 790 - E-mail