FREMGANGSMAATE FOR FREMSTILLING AV EN VINDSPERRE ELLER FORHUDNINGSBANE, SPESIELT I FORBINDELSE MED FREMSTILLING OG MONTERING AV BYGNINGSELEMENTER, SAMT FREMGANGS. FOR FREMST. AV SPESIALBANE HVOR EN SLIK FORHUDNINGSBANE INNGAAR.

摘要

The invention relates to a method for the manufacturing of a wind barrier or breather web (7), especially in connection with the manufacturing and mounting of construction elements, as well as a method for the manufacturing of a special web in which such a wind barrier is included. The invention is to the fact that a filt web (7a) is joined with a plastics layer (7b) which in connection with its application to the filt (7a) provides zones allowing for the diffusion of moisture through an otherwise waterand windproof finished web product (7). Possibly, there may be used a crude plastics material which is mechanically foamed or comprises an additive which under the influence of heat creates vapour blisters or gas pockets which provide thin fields and together with the embossing function of the filt and/or the press rollers onto the plastics layer form the diffusion zones. The novel wind barrier or breather web has a small mass and thus provides a final product which is very little fire incentive. The wind barrier web is also applicable for further treatment in the form of a special web, a so-called integrated ground beam membrane which replaces the use of separate mineral wool strip,impregnated foundation wall felt and breather paper in connection with a beam arrangement on concrete foundation.