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Horizontal "Armourbase Thermo AD" application on low sloped concrete deck (4°-15°)

Thermo AD installation on low sloped concrete roof

Vertical "Armourbase Thermo AD" application on concrete deck (15°-45°) with mechanical fixing

Application of bituminous roof shingles on wooden and concrete deck

This shingle application is similar to the regular shingle application concept which starts with a starter strip (a shingle with tabs cut off). Apply by heating/flaming the top layer of Armourbase Thermo AD until the polypropylene mat fabric disappears and the top bitumen coating is melted.

Lay the shingle to the melted top adhesive layer of the membrane in its proper place. If necessary, lift the upper part of the shingle with a trowel. Heat up the section of the membrane just underneath the lifted shingle. The back of the shingle should be warmed in order to get the best possible adhesion.

Continue with the diagonal installation of shingles, without using nails. It’s not necessary to torch the shingles from the top. Excessive heat can damage shingles. Essentially shingles are applied for aesthetic reasons only and the waterproofing properties derived from the roofing membrane. For the torch-on method and slopes up to 45° the fixation of shingles with nails is not necessary.

The Armourbase Thermo AD membrane will bring about the total, monolithic adherence between the support and the bituminous shingles.

Torch only on the upper face of the membrane and stick the shingles in the activated Armourbase Thermo AD. Do not torch the shingles!

Torch-on application of shingles on OSB wooden deck on slope between 4° and 15°

Torch-on application of shingles on concrete deck on slope between 4° and 15°

Torch-on application of shingles on concrete deck on slope between 15° and 45°

Hips and ridges on a wooden deck

With hip and ridges, the underlayment is already covered with shingles. Therefore hips and ridges are installed by gluing the parts. For the hip or ridge, the Armourvent Multi ventilation can be applied from a 4° slope.

Armourvent Multi must be glued on both sides with the IKO Shingle Stick and then nailed to the wooden deck. Hereafter the shingle capping will be applied over it the same way as with a roof > 15°.

In special cases, when the insulation is between the wooden deck and shingles (the warm roof) and the pitch of this roof is between 4° - 15°, the mechanical fixing is mandatory.

Then the best and most recommended solution will be to torch APP shingles over this structure.

Hips and ridges on wooden deck with Thermo AD membrane

For slopes between 4° and 15°, IKO recommends installing an extra OSB or wooden wedge and raising the ridge with Armourvent Multi ventilation. This avoids water infiltration in case of ponding water close to this ridge.

Hips and ridges on a concrete deck

On a concrete deck, a piece of 30 cm is trimmed from Armourbase Thermo AD and torched on the top part of the roof over the last rows of shingles. Then the capping can be torched over this membrane. Given the density and thermal mass of concrete decking, ventilation is not required in the air space beneath the deck.