Garden Room Workshop: Part 6. Insulation & Plywood floor

Part 6 of a video series about how to self-build a timber-framed garden room office (aka tiny house)/wood workshop in the UK. This video covers insulating the floor, vapour barrier and plywood covering. The purpose of this video series is to provide all the information required for viewers to build their own garden room rather than just a montage of the building work. It took me months of research to learn everything in these videos so I hope to save people time and money. The videos are a mix of theory and footage of the build including all the mistakes I made along the way. I am not a builder or tradesman, just a keen DIY-er with some basic tools. Everyone can do this! In the longer term, I hope to turn this channel into a community for garden room self-builders and to eventually evolve into a woodworking projects channel - the real purpose of my garden room! Insulation is a complicated topic so in this video I just give an overview to give you the necessary knowledge to get building. I didn't mention thermal bridging, which is cold moving through the floor joists which are not insulated. I'll discuss this further in a later video about the roof insulation. Garden room ideas: workshop, office, games room, cinema room, art studio, music studio, yoga retreat, spare bedroom, annexe or run a home business such as yoga classes or hair salon. Associated website: www.alidymock.com Tools used: Circular saw to cut the overlapping plywood. Mitre saw Impact driver: https://www.screwfix.com/p/erbauer-eri6041pd-18v-2-0ah-li-ion-cordless-impact-driver/7485f Hammer Tape measure: https://www.screwfix.com/p/stanley-tylon-tape-measures-8m-16-pack-of-2/2086h Pencil Clamps Saw Spirit level as a straight edge: https://www.screwfix.com/p/stanley-fatmax-pro-box-beam-level-180cm/44775 Caulk gun Safety: gloves, eye-wear, ear protection, dust mask Materials used: Red cedar battens (use treated timber battens instead) Nails Celotex PIR 100mm thick 4x8' sheets Expanding foam: https://www.screwfix.com/p/no-nonsense-expanding-foam-hand-held-750ml/75470 Aluminium foil tape: https://www.toolstation.com/shop/p53122?table=no Screws (4 x 50mm) Grab adhesive: https://www.screwfix.com/p/gripfill-grab-adhesive-350ml-12-pack/45901 Plywood-external, WBP, 18mm thick, B/BB grade Second-hand PIR (heard good things about these guys): https://www.secondsandco.co.uk/ Kingspan U-value calculator: https://www.uvalue-calculator.co.uk/calculator/ Rockwool U-value calculator: http://www.rockwool.co.uk/technical-support/tools/U-value-Calculator/ Good websites to check prices for materials : https://www.selcobw.com/ http://www.builderdepot.co.uk/ Music: https://soundcloud.com/aka-dj-quads