After much searching, I think I have finally found the prospective flooring for my lounge/dining room. Total floor area is ~40m/sq. Substrate is concrete currently covered with vinyl tiles. The flooring that I intend to fit is Wickes 'Real Wood flooring Layered Natural Oak
199-985' at £24.99 per sq.m. This is single boards 145m wide with a 2.5mm Oak layer and two further layers of ply - total board thickness 13.5mm. Each board is T&G with a click retention on the joints. Looking to the group for some advice on fitting.1) What is the best type of underlay to use. Previously with laminate floors I have used the green fibre-type underlay (~8mm thick). Is this suitable for engineered flooring
2) Given that the T&G have a click feature, would it be advisable to glue also?3) Looking through the group postings, lots of recommendations for Elastilon-type underlay. Is this necessary/recommended or overkill for engineered flooring given the whole point is that it doesn't expand/shrink/cup like solid flooring. If I go for self-adhesive underlay, will the floor sound a lot better?
4) Where the two rooms are connected, the floor levels are different by around 3-4mm. I was planning to put a threshold there rather than risk running the floor directly across. Any recommendations for a supplier of such threshold. Needs to be around 1600mm long.5) The Wickes product is slightly above my budget (particularly if I need to buy posh underlay. Any other recommended products? The look I am after is wide natural oak planks.
TIA
Dennis