ArchiGreen

The CE-marked FL filter sheets are supplied by ArchiGreen^®Ltd in 2 or 2.5 metre wide rolls. A single roll of FL equates to 200 / 250 m² of excellent non-woven polypropylene filter layer. The FL sheets supplied by ArchiGreen^®Ltd form the filter layer in a green roof build-up.

A close-up of the ArchiGreen^® FL filter sheet shows the porous texture of the fine needle punched black polypropylene non-woven mesh - the ideal filter layer in a green roof build-up.

The CE-marked SL separation sheets are supplied by ArchiGreen^®Ltd in 2 or 2.5 metre wide rolls. A single roll of SL equates to 200 / 250 m² of excellent non-woven polypropylene separation layer. The SL sheets form the separation layer in a green roof build-up.

A close-up of the ArchiGreen^® SL separation sheet shows its thermally hardened texture. SL-I 125 is particularly recommended on inverted roof structures that are to accomodate green roof build-ups. On inverted roof structures, the SL-I is placed directly over the thermal insulation due to its minimal water retention capacity as a consequence of being thermally hardened on both sides.