Recent content by HobyTom2012

Plenty of people have extensions this size. What is the answer please 'Woody' Surely it is down to the lintle being man enough?

225 x 50 rafters doubled each side of Velux Cover with 12mm ply Bolt 150 x 50 to house with 12mm raw bolts at 600 centres Lintel over bifold doors to be calculated by Catnic or Engineer to be able to take load. Tiles to be appropriate design for pitch. THANKS FOR CONSTRUCTIVE COMMENTS...

I will be chatting to building control this week. I want to put a design proposal to him hence the reason I am asking for help here. He has been very helpful so far. Surely the risk is the wall coming inwards if anything? Can anybody advise from a position of knowledge? Answers please not...

Thank you all. Very useful. I have a 5.4m catnic lintle (300mm wall with 100mm cavity) to go over the doors. I presume that if the rafters are properly attached to the house wall there will be no danger from excessive outward forces? I can just get the pitch angle. Thanks again

I have a single story extension project. It is 6m wide and the outer wall is 4m from house wall. I have 4.8m wide bifold doors specified in the outer wall. I want a vaulted roof i.e ceiling on bottom of rafters. The pitch I can achieve is 17.5 degrees. I want 3 no velux and I am using concrete...