Wed, 10 Jun 2026 09:44:04 +0100 https://www.greenbuildingforum.co.uk/newforum/ Lussumo Vanilla 1.0.3 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274054#Comment_274054 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274054#Comment_274054 Thu, 06 Jun 2019 00:02:09 +0100 Yalch
I am going to use some 40mm wood battens to nail down the wood flooring and keep an air gap to allow everything to ventilate and breath.

My question is, are 40mm battens going to be thick enough?

Thanks,
Jon]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274056#Comment_274056 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274056#Comment_274056 Thu, 06 Jun 2019 11:02:36 +0100 gyrogear
https://www.limecrete.net/faqs/

"Some of our clients have laid timber floors onto the limecrete floor, the best practice for this is as follows:– Store the timber in the room that it is going to be laid in so that it can adjust to the humidity– Lay treated wooden battens onto the screed, this creates an air gap that needs to be vented (possibly through the timber joints)– Lay the timber onto the battens to complete the floor"

If you don't want copper and arsenic leaching or vaping up into your interior, you might consider using bamboo, or plastic battens: although seemingly more expensive at acquisition, they might leave your lungs alone for a bit longer...

BTW, avoid fixing the battens themselves to the screed with metal - latter will also rot; rather use nylon nails, sprags etc. That way, less surprises on those occasional disco evenings...

gg]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274057#Comment_274057 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274057#Comment_274057 Thu, 06 Jun 2019 14:30:39 +0100 djh Posted By: gyrogearBTW, avoid fixing the battens themselves to the screed with metal
Why would you fix the battens to the screed at all?]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274058#Comment_274058 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274058#Comment_274058 Thu, 06 Jun 2019 16:31:36 +0100 gyrogear
gg]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274060#Comment_274060 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274060#Comment_274060 Thu, 06 Jun 2019 18:34:52 +0100 jfb
I have a similar conundrum. Expanded glass sub base, limecrete floor and wood floor. I was planning on insulating 50 mm between battens and no ventilation. If it all.goes wrong not the end of the world and some insulation sounds good.]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274073#Comment_274073 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274073#Comment_274073 Fri, 07 Jun 2019 16:29:42 +0100 jamesingram https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274075#Comment_274075 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274075#Comment_274075 Sat, 08 Jun 2019 09:10:30 +0100 Yalch
The bamboo is an interesting Idea for sure, stainable too.]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274195#Comment_274195 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274195#Comment_274195 Fri, 14 Jun 2019 20:49:47 +0100 Yalch Been looking about and they don't seem that easy to come by.

Cheers,]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274198#Comment_274198 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274198#Comment_274198 Fri, 14 Jun 2019 22:15:20 +0100 gyrogear
http://www.bobamboo.fr/plancher-terrasse-bambou-44/lambourdes-bambou_4-LAMBB4L22.html

perhaps click the Contact box and ask them if they have a UK supplier ? (they probably come from PRC in any case...).

Otherwise, you might have to consider ripping bamboo decking boards, bit of a shame though, not to mention the extra work !
...
Good luck !

gg]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274231#Comment_274231 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274231#Comment_274231 Sun, 16 Jun 2019 20:44:55 +0100 Yalch
I'll give it a shot!]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274234#Comment_274234 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274234#Comment_274234 Sun, 16 Jun 2019 21:30:00 +0100 Yalch https://www.kedel.co.uk/product/recycled-mixed-plastic-square-post-nailer-batten-40-x-40mm/

Do you think that they would do the job? (just thought I'd double check) :D

Cheers,]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274236#Comment_274236 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274236#Comment_274236 Sun, 16 Jun 2019 23:35:21 +0100 gyrogear
They are treated anti-UV - that probably implies more nasty chemicals...

(BTW, when I stated "plastic battens" above, I meant "composite wood" - or wood-plastic composite
https://en.wikipedia.org/wiki/Composite_lumber

but I see that even *that* can contain nasties so with hindsight, please allow me to pull that suggestion !


I'd still try a bit more for the bamboo...

Declaration of engagement (!) I have rather a lot of PVC windows (but it is uPVC...)
(but I also live in a radon-prone region...).

gg]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274243#Comment_274243 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274243#Comment_274243 Mon, 17 Jun 2019 14:31:04 +0100 Yalch
Thanks,
Jon]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274249#Comment_274249 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274249#Comment_274249 Mon, 17 Jun 2019 21:00:55 +0100 Yalch
https://www.amazon.co.uk/TOX-Husky-02210246-Insulation-Fixing/dp/B00KWEYE6U/ref=sr_1_14?hvadid=1390680640&hvbmt=be&hvdev=c&hvqmt=e&keywords=insulation%2Bfixings&qid=1560717766&s=gateway&sr=8-14&th=1]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274262#Comment_274262 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274262#Comment_274262 Tue, 18 Jun 2019 13:25:18 +0100 Yalch https://www.mosobamboosurfaces.co.uk/product/bamboo-x-treme-outdoor-beams-chocolate-2000x40x40mm-sku-bo-dtht2173-01/#

I've asked them the question to see what they are treated with, if anything and hopefully should be good to use :)]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274305#Comment_274305 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274305#Comment_274305 Thu, 20 Jun 2019 20:53:41 +0100 gyrogear
gg]]> https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274783#Comment_274783 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=16146&Focus=274783#Comment_274783 Thu, 25 Jul 2019 05:30:59 +0100 Yanntoe We replaced all our downstairs suspended floors with Limecrete/over Technopor and then used 40mm "mini-joists on adjustable plastic cradles before refitting the old floor boards.
We used noggins to add stability to the mini-joists.

By doing this we end up with a very well insulated floor, no draughts, a void for services ( we've run wiring/ethernet and satellite cabling and pipework in the void) and a very stable and level old looking floor.

It's a great result and the one thing I would definitely do again in an renovation!]]>