How do I fit QTR10? Home › Forums › Quantum Flooring › How do I fit QTR10? This topic contains 2 replies, has 2 voices, and was last updated by Andy 2 years, 5 months ago. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 3rd July 2015 at 2:54 pm #277 TimKeymaster QTR10 is designed to be used under the vinyl and set in the subfloor. It is best suited to door ways and around shower areas in wet rooms. You can apply QTR10 on top of the vinyl if you wise to, however, it is best sealed under the vinyl. 3rd July 2015 at 2:56 pm #278 TimKeymaster Yes only if welded to the vinyl preventing a trip hazard. 7th February 2018 at 4:22 pm #646 AndyParticipant Please could you send me your full details with regards to fitting this trim and advise on the possiblility of welding this trim to polysafe astral vinyl flooring Kind Regards Andy Axis Flooring Ltd Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic.