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Any feedback on what you didn't find clear appreciated. As other responses have suggested, use your cloth bag extractor for stationary machines and Festool vac for power tools. 2hp minimum for your cloth bag extractor if you want to run ducts. For the reasons I gave in my thread, the Festool...

If you are struggling for headroom then why have the joists below the insulation? Surely raise them up to directly support the deck and insulate between? 50x100 joists give a max span of 1.71m at 400 centres, you may want to up the cross section unless you have a really narrow building...

Went through this process myself last year installing a stove myself and using LBC, they were very trouble free to deal with. Guess it depends on who you get though! Sent from my SM-N910F using Tapatalk

There's no right angle I think, but ATB blades I've used have 12-15 degree top angle. The steeper the angle, the sharper the cut will be - you can get fine cut HATB blades with about 30 degree top angle. The higher angles cut better and I think with a little less effort on the motor. The...

For me, it's a question of how much of a risk do you want to take with your health? If you can afford half decent power tools for wood working, £100 or so for a vacuum should be within your reach. If you are dabbling with dust producing machinery, a couple of hundred quid on a high volume...

Having covered the types of extractor, their uses and waste separation in the first post, this second part looks a bit more at understanding performance. I will try to keep the physics to a minimum, but please point out if things aren’t clear! Pressure and flow rate Air only moves in the...

Having covered the types of extractor, their uses and waste separation in the first post, this second part looks a bit more at understanding performance. I will try to keep the physics to a minimum, but please point out if things aren’t clear! Pressure and flow rate Air only moves in the...

In response to the query about having an extractor with a high stall pressure and a high flow rate, MattRoberts is right to state that you would need a very powerful motor to do this. The stall pressure is related to the square of the tip speed of the impeller (i.e. increases with the square of...

Thanks for the kind comments, much appreciated. In response to the query about having an extractor with a high stall pressure and a high flow rate, MattRoberts is right to state that you would need a very powerful motor to do this. The stall pressure is related to the square of the tip speed...

Two stage is where the cylinders are connected in series, so the air is compressed twice. The compressed air cools down between the cylinders so the efficiency is higher. Presumably the belt drive provides some damping between the motor and compressor, so the loading is smoother.

Twin cylinders are better balanced I think - think multi cylinder engines. Sent from my SM-N910F using Tapatalk

Questions about dust extraction come up often by new woodworkers. This is my attempt to try and save regular contributors some time spent answering them. Edited 17/11/16 following feedback from other members. Why have dust extraction? Most people accept the need for dust extraction when using...

Questions about dust extraction come up often by new woodworkers. This is my attempt to try and save regular contributors some time spent answering them. Edited 17/11/16 following feedback from other members. Why have dust extraction? Most people accept the need for dust extraction when using...

An excellent suggestion. I've had the same thought before and started cobbling together an introductory guide (although I myself am by no means an authority on the subject). I'll try and dig it out later and see what people think.

I used Wealden router cutters to make a set of glazed doors for my workshop last year: viewtopic.php?t=88458 Sent from my SM-N910F using Tapatalk

I'm faced with a similar problem. I'm looking at hiring a grinder to start with as my floor appears to have been laid by a blind man, although the costs are quite high. If you've not got too many big high spots you're worried about knocking off, I would seriously look at levelling compounds...

Certainly you will want a heavy duty levelling compound - they are not all created equal. What you are interested in is comparing the compressive strength of the compounds. Cempolay ultra is recommended for garages to take the weight of trolley jacks etc. What you linked to above is a high...

Certainly you will want a heavy duty levelling compound - they are not all created equal. What you are interested in is comparing the compressive strength of the compounds. Cempolay ultra is recommended for garages to take the weight of trolley jacks etc. What you linked to above is a high...

Cempolay ultra is the screeding compound you want for garages. Alternatively hire a big floor grinder for a weekend to get the roughness out. Sent from my SM-N910F using Tapatalk

With reference to Mathias Wandel's tests - he is showing the strength of joints. Glue it's only as strong as the surface it's given to act on. With loads of long grain area to act over and the tapered design of the fingers limiting weak spots in the parent material, finger joints are immensely...