Hi,
im doings a flat roof assesment and the celotex product thjey are using has a aluminimum outer surface of sd-200. If the foil isnt taped together, do i include the foil in my analysis? If the foil is taped, do i then include this in the analysis?
thank you.
Search found 4 matches
- Thu Jan 04, 2024 4:09 am -1100
- Forum: Material
- Topic: celotex Foil surface
- Replies: 1
- Views: 4307
- Thu Oct 26, 2023 12:04 am -1100
- Forum: Material
- Topic: Karsten tube test
- Replies: 1
- Views: 2148
Karsten tube test
Hi, I am planning on using the Karsten tube test to find the a-value of a façade on an 1800s building. From my results I will get the amount of water absorbed per 5 minute intervals and I am planning to run the test for 1 hour. This will result in ml/h . I have been looking online for quite a few ho...
- Tue Oct 17, 2023 5:17 am -1100
- Forum: General
- Topic: Difference in the balances due to Short-Wave radiation absorptivity
- Replies: 3
- Views: 5476
Re: Difference in the balances due to Short-Wave radiation absorptivity
HI,
I have changed the mineral wool in the construction to 'Mineral Wool (heat cond.: 0,04 W/mK)' for both layers. this seems to have fixed the issue with the balance. Originally it was 'Rockwool speedrock lamelle'. Why would this have made a difference?
thanks
I have changed the mineral wool in the construction to 'Mineral Wool (heat cond.: 0,04 W/mK)' for both layers. this seems to have fixed the issue with the balance. Originally it was 'Rockwool speedrock lamelle'. Why would this have made a difference?
thanks
- Mon Oct 16, 2023 9:32 pm -1100
- Forum: General
- Topic: Difference in the balances due to Short-Wave radiation absorptivity
- Replies: 3
- Views: 5476
Difference in the balances due to Short-Wave radiation absorptivity
Hi, I have a flat roof construction: - Bituminous felt, - OSB, - Mineral wool insulation, - VCL (Sd = 200 m), - OSB, - Mineral wool insulation, - Air cavity (without additional moisture capacity), - Plasterboard. When I run the assessment, Balance 1 and 2 are very different. I have tried to move the...