IKO Armourbase PRO Underlayment

IKO Armourbase PRO Underlayment - Armourbase Pro
Armourbase Pro installation
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IKO Armourbase PRO Underlayment

On all pitches, IKO recommends that an underlayment must be used underneath the roof shingles.

IKO Armourbase PRO Underlayment is the favorite underlayment amongst roofers.

Product data

Dimensions (l x w):  30 x 1 m
Roof Coverage: 30 m²
Thickness: 0,5 mm
Weight / roll: 9 kg - 40 pcs/pallet
Tensile length (EN 13859-1): 400 N / 50 mm
Tensile width (EN 12311-1):  345 N / 50 mm
Elongation length (EN 12311-1): 40 %
Elongation width (EN 12311-1): 50 %
Cold flex lower surface (EN 1109): - 40°C

It is a light weight bitumen polyester based underlayment covered with a polypropylene film on both sides.

Easy, quick and clean to install, it is a multi-purpose underslating primarily used for roof shingles but also for
other roofing materials like clay and concrete tiles, metal sheets, corrugated sheets, …

Is Armourbase Pro waterproof, even when you penetrate it with nails?
And is the Armourbase Pro strong?
Check the results of our tensile strength test, involving some trucks.

Armourbase Pro installation
Armourbase Pro installation
Armourbase Pro installation
Armourbase Pro installation

Application instructions

Install as flat as possible to prevent unevenness from being projected in the shingle surface. Install parallel to the eaves.

Slopes 9,5°- 20°

use IKO Armourbase underlay PRO to provide a double coverage of underlay to the roof deck. Cut a starter strip 50 cm wide and lay succeeding courses fastened with 50 cm horizontal laps and 30 cm end laps.

Slopes 21°- 85°
The entire roof deck should be covered with IKO Armourbase underlay or an approved shingle underlay.
The underlay should be installed parallel to the eaves with a min. 10 cm horizontal lap and 15 cm end laps.
On all IKO Armourbase underlayments there are 10 cm lines on the rolls for easier overlapping.
Secure the underlay with only enough nails to hold it in place.