Week 5 - Block and beam floor.
Entry posted by Benpointer in General
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We’ve had another very good week of progress by the groundworks team and they are pretty much done now bar some further levelling of the paddock area and one or two other minor details. We are really pleased with their work and the Building Inspector is pleased too, thankfully, so our foundations are all signed-off 👍.
Bizarrely, it’s only now that we can submit the “Commencement Statement” for our construction to Building Control, which I duly did this week. Also bizarrely, we are still on schedule - I can guarantee that won’t last!
Once the block and beam floor was in and grouted with cement slurry, the concrete block upstands for the internal stud partition walls were laid. With hindsight, it might have been better not to pay the timber frame company (Turner Timber Frame) to supply and erect the internal walls but rather build them later on top of the screed. But we’re way past that decision point now - Turners will be installing those partition walls as part of the overall frame build, so concrete block upstands have to be ready in place.
One minor issue that had to be resolved this week - the block and beam floor ventilation ‘periscopes’ are designed for 100mm cavity walls and weren’t going to fit inside our 50mm cavities between the walls and the render-board. The solution proposed by the groundworkers and approved by our Building Inspector is to run them up the inside of the foundation wall before exiting just below DPC level. That gives us a potential cold bridge at each vent (26 in total!) but I think we can mitigate that by doubling the PIR insulation upstands to 100mm where the vents are. It’s not perfect but I think it will have only a very small impact on the overall insulation levels.
Next week the scaffold is scheduled to go up on Wednesday/Thursday, then the timber frame is due to arrive the week after - when the fun will really start!
Meanwhile next week I need cut the five 150mm oak posts to size and chamfer the edges, ready for them to go in to support the roof canopies over the front porch and rear terrace. (Six oak posts in the picture - I’ll choose the best five!)
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