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Wooden deck from OSB boards with tongue and grove joints:

It is very import to have a wooden deck that is extremely flat and dry.

The best way to achieve this flatness is to use OSB boards with tongue and grove joints. Under certain conditions, dry wooden planks can also be used but they must always be covered with thin OSB boards (6-8 mm).

With the low lumber moisture and tongue-groove edges we will eliminate movement of the structure to a minimum. The total recommended thickness of a wooden deck is 22 mm but always check the local building code.

IKO Shingles Thermo System on roof dormers

Metal flashings is important:

If you have a simple shed roof with rakes on the sides, then start with the drip-edge metal flashing at the eave first.

To protect the sides on curved dormers, eyebrow dormers or arched dormers, special custom bended metal flashings should be used on these edges. Metal flashings must be nailed to the wooden deck. If flashings have a water stopper, fix them with metal clips and don’t penetrate these flashings with nails.

Flashing on IKO roof

Roof shingles are a very versatile building material. Except for roofs, they can also be used to cover vertical walls or facades. Self-adhesive shingles such as Cambridge Xtreme 9,5°ArmourShield PLUS and DiamantShield are perfect for such vertical applications. But also uncommon roof shapes can be covered with shingles: tower, round dome, low slope, and steep slope … The architectural freedom is unlimited.

Become inspired and find your perfect roof style within IKO's extensive range of roof shingles...

Modern, classic, rustic or contemporary? We've got you covered!

Advantages of IKO Roof shingles vs. roof tiles

How to bend ridge caps in cold climate?

Horizontal and vertical overlaps of AB Thermo AD membrane:

 

The adhesion of the underlayment will start partly by the sun, but later-on during the installation of shingles by torch the adhesion will become adequately enough. Horizontal overlaps on Armourbase Thermo AD membrane are 10 cm, but end laps must be 15 cm. When the selvedge foil on top of membrane is removed, all overlaps must be pressed with a suitable roller.

Overlaps of IKO Thermo System on dormers

Application of shingles on top of the membrane:

All types of IKO shingles can be used and combined with this method. Start with the precutting of shingles for diagonal application and prepare the starter strip as well. It always helps if you prepare a few shingles before. Get the torch with propane ready and follow all safety rules and regulations when working with an open flame. Very important is to flame only the membrane and not the surface of shingles.

Shingles have to be laid to the melted layer of modified bitumen when the polypropylene mat fabric disappears after torching. The core of the membrane contains polyester which means the underlayment is very durable. At the same time the underlayment is also very flexible because of the modified polymers in the bitumen. Wind-seal dots or self-adhesive parts on shingles will be activated and sealed by the heat of the sun.

Remember: do not make joints and connections between the shingles close to the valley or to any details where a lot of water accumulates! When the shingles are not glued properly on the surface of Armourbase Thermo AD, you can always lift this shingle and flame the membrane again. The membrane is 2,5 mm thick and the head-lap of the shingles will then stick adequately.

Torching IKO Armourbase Thermo AD on dormers