Bitumen felt DOBBELT LAG

bitumen felt
bitumen felt
bitumen felt
Add to favorites
Compare this product


Isola Dobbelt Lag is a double-layer roof covering consisting of SBS polymer bitumen, with the upper layer welded to the underlay. These systems consist of Isola Kraftunderlag (strong underlay) and Isola Sveiseoverlag (welded upper layer). Laying Isola Dobbelt Lag is laid mechanically by laying Isola Kraftunderlag using washers and screws/bolts, or ordinary felt staples if laid on a wooden roof. The upper layer is then welded to the underlay to form a membrane providing full cover. For further information please click on Laying Instructions. NBI Isola has been granted Technical Approval by the Norwegian Building Research Institute (No. 2042). NS Isola Dobbelt Lag complies with fire classification TA in respect of all types of underlay in accordance with NS 3919. This fire classification has also been certified by NCS; licence no. 538.


No catalogs are available for this product.

See all of Isola Powertekk‘s catalogs
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.