A non-penetrating field fastening system for flat roofs. Isoweld® follows on from the tried-and-trusted isofast® and isotak® systems in offering another economical, totally secure and permanent method of fixing insulation material and membranes on flat roofs.

Features and benefits:

Fixing is independent of the membrane joints.
Only one membrane width is needed.
Minimal insulation fixings required.
No membrane penetration.
Reduced membrane overlaps.
Fewer fixing points.
Spreads the wind load over the membrane surface - ideal for high exposure applications and no membrane "flutter".

Insulation attachment:

Product reference: Use appropriate SFS austenitic stainless steel fasteners of the required length combined with thermally broken sleeves with a minimum washer diameter of 75 mm.

Membrane attachment:

Product Reference: A system specific coated metal stress plate combined with appropriate SFS austenitic stainless steel fasteners of the required length and compatible thermally broken sleeves.

Factory Mutual Approvals LLC: standard 3055227