Not anyone can install torch-on membranes. An inexperienced contractor will not lay them straight, or allow the correct turnups or overlaps required to ensure a securely bonded and watertight solution. We’ve been installing torch on membranes for years and have a team of applicators with years of experience in the application of torch-on membranes, in building waterproofing, and in the remedial industry in general.

More details:
https://remedial.com.au/blogs/uses-of-torch-on-waterproof-membranes/