How long are your 18mm boards? If random - say for instance between 300 - 1200mm and there are (too) many 300mm or 400mm boards - you should not install a floor like this floating but fully bonded with flexible adhesive.
Now, chipboard - with its moist repellent surface - does not hold any of the modern adhesive.
So.... you've got a problem.
If all long lengths: NEVER USE A DPM ON SHEET MATERIAL, like chipboard or plywood or even existing floorboards.
The flooring is being delivered today, but apparently they do contain some shorter lengths
On the front of the pack it does say its suitable for floating floor installation, so as I have over ordered and plan to keep short plank use to a minimum and return those ones
As you rightly pointed out due to chipboard subbase my options are limited so have to fit as floating, but thanks for the pointer about not using a Dpm
Also, should I fit cork expansion strips around the whole length of the expansion gap or only at certain points, these gaps are being covered by skirting
No cork at all??? Well I suppose you guys are the experts that's why I'm here for your advice thanks
If the packs do contain smaller bits am I ok to use a few here and there ?otherwise it's gonna be a real struggle to get enough coverage if I leave them all out as only brought a few extra boxes
Also the last question, I read I should separate rooms with bars rather than laying straight through, is this correct
And I plan to use wickes glue as down there's tomorrow unless you can recommend a better brand in screwfix or Bnq
Try to use the shorter ones at the end of the odd row - making sure you're not left with all short ones there.
Using too many short ones in the middle of the floor creates too many joints, working as hinges.
We always advice to treat every room as a separate entity and use thresholds in between.
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