Related Advice
Related Guide
Latest posts
Responses (4)
- Discussions
- Planning and Design
- Off-grid and Net-Zero Housing
- Off grid
- Solar
- Zero Net Energy
- Energy neutral
- Choosing
- Insulation
- Zero Energy
- DIY
- NZE
- ZNE
- Wind power
- More
Related products


The DELTA®-DRY & LATH is a 2-in-1 product combining the microporous DELTA®-DRY …
Learn moreDELTA®-DRY & LATH


Pearl wood-burning fireplace
Learn morePearl fireplace


NZP EUROPassive High-performance doors for energy-efficient home building and P…
Learn moreEUROPassive Doors


Building a slab on grade foundation for a Passive House or Zero Net Energy home…
Learn moreGEO-Passive Super-Insulated Prefab Foundation Forms by Legalett
Professional services
Related Advice
Can you insulate an existing slab on grade floor?
Posted by Patrick Berkeley
Dec. 31, 2020, 10:14 p.m.
Foundation and basement improvements
5 Responses
A bottom temperature of 0°F (or about -18°C) is hardly balmy, and it is important to build homes for their specific climate. We can help you choose the right insulation for your needs as well as determine the right amount of insulation for energy efficiency. Finding the best insulation really depends on individual circumstances, learn more here -
What is the best insulation for a home?
And we’re always happy to discuss eco friendly building materials, but first let’s start with the right amount of insulation. Can you tell us what climate zone you are building in, or simply what area please?
I'd be building in the UK, so Im guessing it would count as 'mixed-humid.' I really mean 'almost never,' even in midwinter it
only really freezes at night and we rarely get much snow. (sorry anout the split).
Thanks!
A properly buit wall should be able to avoid moisture damage, but given that you are in a particularly humid climate you may want to lean towards something like Rockwool insulation (aka Mineral Wool) or perhaps even hemp insulation, both are particularly good at handling higher levels of humidity. though I couldn't speak to the availability in the UK unfortunately.