FIELD: construction.
SUBSTANCE: construction profile made of polymeric material and defining an inner cavity, wherein the construction profile having an outer surface comprising unexposed side portions and exposed side portions, whereby a stiffening profile is provided external of said construction profile and at an unexposed side portion thereof, characterised in that said stiffening profile comprises a polymer material and a reinforcement material, wherein the stiffening profile having a tensile (flexural) modulus in its length (L) direction of at least 5 GPa according to EN2561 and the polymer material having a lambda value of maximum 2 W/mK.
EFFECT: stiffing profile is presented which has no detrimental effect on the thermal insulate properties of the profile and which is aesthetically acceptable for the consumer in that it is not or hardly visible from the exterior of a closed and installed door or window.
15 cl, 10 dwg
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