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Here is a simple way to do a flitch beam calculation for a flat roof.
🚀Get my flat roof span tables here: geni.us/timbercalculation
Follow this tutorial to work out the size and strength of a flitch beam, used to reduce the depth of your timber rafters and create a thinner roof for your garden room or garden office. You may have seen a flitch beam used in Oakwood Garden Rooms videos - so here is how to do the calculations for it 👍
See the first video in this series:
Why use a flitch beam? • Why use a flitch beam ...
Here's the kit you will need to create a flitch beam:
Hangers for the rafters to the flitch beam: geni.us/NQkt0o
Correct bolts for the flitch beam: geni.us/o3l5uo
Oversize washers to clamp the timber: geni.us/akDtY
Get a decent drill bit for steel: geni.us/EfFO
What people don't tell you is that drilling into steel is VERY DIFFICULT with a hand drill. The professionals all use something called a "Mag Drill", which you can get for less than the price of the steel. Do yourself a favour and get one of these if you're drilling more than a few holes in 10mm thick steel: geni.us/iXATG
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