Fentrim IS 20 150mm (inside use)

Pre-folded, 15/135mm wide, single-sided high-performance adhesive tape without perforated plastering zone for perfectly sealing window and door frames in solid structures on the inside.
Fentrim IS 20 100mm

Price (ex VAT): £85.68
(incl VAT): £102.82
Tax amount £17.14
Price / kg:
Roll/Box Tooltip
Fentrim IS 20 in use

Roll price per box                £74.50 each
Roll price – Qty – 2 Rolls     £81.95 each
Roll price per single roll      £85.68

Fentrim IS 20 150mm


The white coloured, single-sided high-performance adhesive tape Fentrim IS 20 is the optimal solution for permanent airtight bonding of window and door frames in solid construction on the outside.
Fentrim IS 20 is pre-folded and available in the sizes 15/60, 15/85, 15/135 and 15/185 mm. According to the rule "less permeable on the inside than on the outside", the black coloured window-joint tape Fentrim IS 2 perfectly supplements Fentrim IS 20.

Your advantages

tickextremely high adhesive strength on entire surface
easy to apply, immediately 100% tight
pre-folded, without backing strip
fastest bonding to window frames
bonding from -10°C
fast and tight window installation all year-round


Fentrim IS 20 200mm

Length/ roll: 25 m
Width: pre-folded 15/185 mm
Box: 2 rolls
  Complies with energy saving regulations. Suitable for installation as per RAL guidelines. Europ. Patent EP 1508648, US Patent No. 7.445.828


Suitable substrates
        • Wood
        • Metals
        • Plastic
        • Concrete
        • Aerated concrete, brickwork and limesand masonry
        • Lightweight masonry mortar
        • Lightweight plaster
        • Hard plastic insulation boards (XPS/ EPS/ PUR)
        • Bitumen / EPDM in threshold area

Product Sheets and Downloads

Manual Europe: All applications and products  (PDF)

Safety data sheet Fentrim IS 20 (PDF) 

Product data sheet Fentrim IS 20 (PDF)

Sealing Window joints (ZIP)

Test Certificate (PDF)Test Certificate (PDF) 



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