Insulating Above Precast Concrete Floors – Sitework
Installation sequence – beneath screed
- Grout slab and lay levelling screed.
- Fit vertical edge insulation.
- Lay Ballytherm boards across the surface of the floor in broken bond.
- LayVCL/slip sheet over the boards with joints lapped and sealed.
- Pour screed.
Installation sequence – beneath sheet flooring
- Grout slab and lay levelling screed.
- Fit timber battens at thresholds and points of high loading.
- Lay Ballytherm boards across the surface of the floor in broken bond.
- LayVCL/slip sheet over the boards with joints lapped and sealed.
- Lay sheet flooring.
Points to watch
- Ensure boards fit tightly together.
- Seal service penetrations with sealant.
- Test any services before pouring the screed.
- Protect Ballytherm boards from traffic while laying screed or flooring.
- Protect exposed board edges when levelling the screed.
Further Advice & Information
For more information about Ballytherm products, technical advice, or guidance on the suitability of our products for your project, contact us at + 353 (0)49 95 27000,, email us at info@ballytherm.ie or use our contact form.