Guardian ASTL Telescopic Tube (concrete screw)
The Guardian ASTL Telescopic Tube is designed for use with tapered insulation from 230–560 mm on concrete roofs. Sintef technical approval 2516. ETA approval 08/0285. 230/340 (72923), 340/460 (72924) and 460/560 (72925).
Instructions and Materials
Field of use
The Guardian ASTL Telescopic Tube is designed for tapered insulation between 230–560 mm on concrete roofs. It covers 100-120 mm of build-up with one length combination and is perfect for roof applications with height differences between the concrete slabs. Pre-drill with a Ø 5.0 mm drill. In stock ASTL 230/340 (72923), ASTL 340/460 (72924) and ASTL 460/560 (72925).
Handling and storage
Store products in their original packaging and ensure they are not damaged. Use only the fastener manufacturer’s own products for installation.
Technical details
Product dimensions 48 mm
Installation method Mechanical fastening
| Length | Product number | EAN |
|---|---|---|
| 230 mm | 72923 | 6417443729230 |
| 340 mm | 72924 | 6417443729247 |
| 460 mm | 72925 | 6417443729254 |
Ask about the product
If you need more information about the product, please send us a contact request, and we will get back to you. We will respond to your message as soon as possible, within a few business days.