Over the last two weeks, we have been getting on in finishing off filling the roof rafters up in our Great Room. It is a simple case of inserting a mixture of 150mm and 200mm thick glass wool to finish filling up the space in the rafters, in front of the hard PU insulation. Some of them were well filled so we could only get the 150mm thick wool in, but most of it had the 200mm put in. One thing to remember about these glass wool these days, the label says 200mm thick but even after leaving it unrolled and laid out flat for more than a day, it only expands to 150mm thick. We just can’t see how these manufacturers can claim that it will expand to the full thickness as stated on the labels. So we have learnt over the last year or so, to automatically downgrade the thickness and work with that.
Then this week, we protected this plastic layer with our 11mm OSB boards. We had 42 sheets left in our stock and we ended up with four sheets left-over. Not bad guess for ordering hundreds of sheet way back last year!
We had to make sure that we got the nozzles for our fire suppression system to poke through by marking the blank ends with a gel paint and then drilling a 25mm hole to get them through. We had seventeen of them to do!
We also made sure that all the diagonal join lines were reinforced, to make sure that each panel is nice and secure, plus also nice and straight too. This is going to be our show room and the most visible room in the whole house.
To help us put up these sheets, we made a concrete block “stands” so we could push two of these stands up against the wall, at the bottom of the rafters and we adjusted the height so the OSB board would land just in the right place, to start building up the rows of sheets up the rafters.
Now that we have finished the last major piece of work to the shell of our house, we are now fully insulated in all directions and at the moment, we do not need to heat up the house because there is enough solar energy coming in our Skylight to keep the whole house relatively warm at around 15°C which is just pleasant for working in and not get sweaty. We have a min-max thermometer and it is reporting that the down stairs only varies between 14°C nighttime and 15°C daytime, even if the overnight temperature drops to 5°C !!
Anyway, we went around all the rafters we got left to do in the Great Room, and then proceeded to cover it up with our usual black plastic vapour barrier.
Last of the plastic lining 1
Last of the plastic lining 2
Last of the plastic lining 3
Then this week, we protected this plastic layer with our 11mm OSB boards. We had 42 sheets left in our stock and we ended up with four sheets left-over. Not bad guess for ordering hundreds of sheet way back last year!
We had to make sure that we got the nozzles for our fire suppression system to poke through by marking the blank ends with a gel paint and then drilling a 25mm hole to get them through. We had seventeen of them to do!
We also made sure that all the diagonal join lines were reinforced, to make sure that each panel is nice and secure, plus also nice and straight too. This is going to be our show room and the most visible room in the whole house.
Last of the OSB Linig installed (1)
Last of the OSB Linig installed (2)
To help us put up these sheets, we made a concrete block “stands” so we could push two of these stands up against the wall, at the bottom of the rafters and we adjusted the height so the OSB board would land just in the right place, to start building up the rows of sheets up the rafters.
Board Support Stand
Now that we have finished the last major piece of work to the shell of our house, we are now fully insulated in all directions and at the moment, we do not need to heat up the house because there is enough solar energy coming in our Skylight to keep the whole house relatively warm at around 15°C which is just pleasant for working in and not get sweaty. We have a min-max thermometer and it is reporting that the down stairs only varies between 14°C nighttime and 15°C daytime, even if the overnight temperature drops to 5°C !!