Hello Oh Knowledgeable ones
I have got a question relating to what fixings to use when framing a roof.
In a ‘normal’ simple roof that consists of joists, purlins, wall plates and rafters what fixings are used at each position?
In my extension, where I have fitted floor joists on Jiffy hangers, the hangers have about 20 of the twist nails holding them to the ledger board, and then 4 (2 each side) into the joists.
For the roof though, I need some advice. I have got the BCO coming round on Friday to discuss it, but like always, I would like to be armed with info from you guys, so that I am prepared for the conversation.
I have managed to borrow a Paslode Framing Nailer from my father in law, (awesome piece of kit) and those ribbed nails are rock solid once they are fired in.
These are the fixing points that I am not sure about…..
1. Fixing the wall plates to the wall – Do I bed them on mortar? And/or screw them into the blocks?
2. Rafters to Wall plates – Do I fire nails in at about 45°? What length nails and how many?
3. Joists to rafters – I am assuming - M12 stud all the way through, and one of those sharp toothed connector washers between the pieces of timber.
4. Joists to wall plates – Same as Rafters ?
5. Rafters to purlins – are they attached, or do the rafters just rest on them?
6. Rafters to ridge – Nails ?
Cheers
Gary
I have got a question relating to what fixings to use when framing a roof.
In a ‘normal’ simple roof that consists of joists, purlins, wall plates and rafters what fixings are used at each position?
In my extension, where I have fitted floor joists on Jiffy hangers, the hangers have about 20 of the twist nails holding them to the ledger board, and then 4 (2 each side) into the joists.
For the roof though, I need some advice. I have got the BCO coming round on Friday to discuss it, but like always, I would like to be armed with info from you guys, so that I am prepared for the conversation.
I have managed to borrow a Paslode Framing Nailer from my father in law, (awesome piece of kit) and those ribbed nails are rock solid once they are fired in.
These are the fixing points that I am not sure about…..
1. Fixing the wall plates to the wall – Do I bed them on mortar? And/or screw them into the blocks?
2. Rafters to Wall plates – Do I fire nails in at about 45°? What length nails and how many?
3. Joists to rafters – I am assuming - M12 stud all the way through, and one of those sharp toothed connector washers between the pieces of timber.
4. Joists to wall plates – Same as Rafters ?
5. Rafters to purlins – are they attached, or do the rafters just rest on them?
6. Rafters to ridge – Nails ?
Cheers
Gary
