A guide to heat welding Lineflex Fleece Backed EPDM joins.
Step 1
Form a temporary weld at the back edge of the seam using your fingers and welder. This will trap the hot air and improve the main weld.
Step 2
Seal the rubber with a hot air welder using a silicone roller at a rate of 2.5m per minute at 220 degrees (level 4)