suspended floor

[ETAF]

i'm doing out a large utility room 2.6x5.8m
i want to come up 67mm to bring the floor level,

it will have cushion floor/ vinyl flooring

floor is a concrete base

i was thinking of some 60mm celotex (giving some insulation from a very cold floor) , then 3.5mm plywood and then 4mm vinyl

the 2440 will be fine happy to have a gap along 1 side , as i can use that for pipes/cables

it will have a washing machine and tumble dryer on it - and a load of IKEA cabinets, base units and 2m cabinets

Sink in a worktop around 2m long

But i want t tape up the joins to stop issues with the vinyl if plywood moves at all

OR maybe i use tile backboard stuff and screed over that

OR maybe any suggestions ?

 

[Jurassicspark]

I think the first option Celotex plywood vinyl is the better option for your utility room.

Good for insulation, ease of installation, and height management.

The Celotex provides excellent thermal insulation, while the plywood gives a stable surface for the vinyl.

This combination will keep the floor height close to the 67mm target and is more straightforward to install compared to the tile backboard and screed option.

Plus, the vinyl will be durable enough for your appliances and cabinets.

 

[ETAF]

Thanks so much for the quick reply
what sort of tape to use on the plywood joins , gaffa tape - or something else ???
what about any movement

 

[ETAF]

I think i will be using 40mm celotec , 22mm Chipboard flooring
62mm
leaving 5mm for the vinyl

 

[Jurassicspark]

Thanks so much for the quick reply
what sort of tape to use on the plywood joins , gaffa tape - or something else ???
what about any movement

I'll prefer double-sided flooring tape.

To manage movement in the plywood be sure to leave appropriate expansion gaps around the edges to allow for expansion. When applying the plywood to the concrete base use any flexible adhesive to accommodate any slight shifts. Ensure the plywood is fastened securely with screws don't use nails.

Sorry for the late reply, didn't see your message.

 

[ETAF]

no problem, decided to go with full chipboard flooring 22mm to make up the fill
thanks again