Velux Sun Tunnel Extension 600mm ZTR 0K10 0062 condensation-reducing-plaster the number of vertical grooves

the number of vertical grooves on each door varies with its width

this pre-finished walnut door is ready to be installed right out of the box

Suitable for garden sheds and storage buildings

Doesn’t Crack when Fixing like PVC

providing a sleek and polished look to your doors

Velux Sun Tunnel Extension 600mm ZTR 0K10 0062 condensation-reducing-plaster the number of vertical groovesExtension tunnel ZTR is recommended for installation with TWR or TLR in case the distance from top edge of batten to ceiling finish level is over 1. 85 m. ZTR in combination with TWR or TLR can be used for tunnel lengths of up to 6 m. For 10" Tunnels