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3. Iron content
A third but equally important characteristic is the degree of iron content found in stone. To be suitable a stone should have only a small amount of iron in its composition. This to prevent iron from leaking out from granules, which can lead to rust stains on a roof.
My gutter is filled with granules. Is there a problem with my shingles?
Not necessarily. An excessive amount of granules are applied during the shingle manufacturing process to make sure that the bitumen on the roofing sheet is completely covered. It is important to completely cover the sheet with granules so that the bitumen is not exposed to ultraviolet light. In accordance to the EN 544 the value of the loss of granules may not exceed 2,5 g (test procedure EN 12039). But IKO does better than that. IKO’s own maximum limited value is 1,2 g!
Controlling of granule drops behind the coater
My gutter is filled with granules. Is there a problem with my shingles?
Not necessarily. An excessive amount of granules are applied during the shingle manufacturing process to make sure that the bitumen on the roofing sheet is completely covered. It is important to completely cover the sheet with granules so that the bitumen is not exposed to ultraviolet light. In accordance to the EN 544 the value of the loss of granules may not exceed 2,5 g (test procedure EN 12039). But IKO does better than that. IKO’s own maximum limited value is 1,2 g!
Our roof calculator not only shows how many IKO shingles and accessories you need, also the quantity of flashing is included. Calculate now which roof components you need to complete your IKO roof!
IKO Armourbase Thermo AD is a modern thermo-adhesive membrane.
The heat activated membranes of IKO Armourbase Thermo AD can be used with success in a wide range of waterproofing applications such as very low sloped roofs with concrete or wooden deck structure where bitumen shingles are applied without nail fixation. This membrane presents numerous and important advantages, such as easy application with consequential savings on time and the possibility to apply the material on surfaces which are not suitable to open flame.
