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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 ECO 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.
IKO ventilation on your roof offers quite some benefits:
- Extend the life of your roof and of your shingles
- Increase your living comfort
- Regulate the moisture in your roof
- Allow excess heat and water vapour to escape from the roof
- Allow air to circulate between insulation and roof deck
- Prevent humidity from damaging the roof construction
- Cool down the roof in hot weather conditions
Application instructions
It is essential to allow heat dissipation and water vapour to escape the roof system through proper ventilation. Therefore, air must be able to circulate freely between insulation and the nailable roof deck, from the eaves to the ridges.
On roof pitches 15°- 40° the minimum net free ventilation area is 33 cm²,
on 41°- 85° min. net free ventilation area is 16 cm² for each 1 m² of insulated ceiling area (P),
always divided evenly between the eaves and the ridge.
What happens to this Turbinevent when subjected to 177 km/h wind-driven rain?
Watch this stringent test.
Application instructions Armourbase GO
Install as flat as possible to prevent unevenness from being projected in the shingle surface. Install parallel to the eaves.
Slopes 9,5°- 20°
To protect the roof deck use IKO Armourbase GO with 50 cm overlaps. Cut a starter strip 50 cm wide and lay succeeding courses fastened with 50 cm horizontal laps and 30 cm end laps. Do not forget to seal the end laps with bituminous mastic.
Slopes 21°- 85°
The entire roof deck should be covered with IKO Armourbase GO 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.
Nail Pull Resistance Test
In this "Nail Pull Resistance Test" we will show you how easy or difficult it is to take shingles out of an OSB board. This will show how effective the nails are and which type of nails prevent the shingles from being blown from the roof.
Application instructions
You need IKO nails to fix the underlayment and roof shingles.
Corrosion resistant nails (galvanised clout nails) 25 mm in length and a head diameter of 10 mm. The shaft should be 3 mm in diameter and barbed.
The nails should sit 19 mm into the roof surface.
Laminated shingles (Cambridge Xtreme 9.5° or Cambridge Xpress) and nailing of hips and ridges require nails 30 mm in length.
Proper fastening is essential for a good roof. Drive the nails straight so that the nail heads are flush with, but not cutting into the shingle surface. Always nail 2,5 cm above the cut-out and 2,5 cm from each edge. For correct positioning and nail quantities per type of shingle and roof slope check out the detailed application instructions.
If your roof has a steep slope (>60°) or if you are living in a highly exposed area you will need to use extra nails and Shingle Stick adhesive.