Thread: Bearers joists span tables etc
27th Oct 2005, 03:35 PM #1
Bearers joists span tables etc
have read literally hundreds of posts here, and a pretty common problem is timber sizing etc. Anyway happened upon a very good site that has tables for timber sizes, beams, lintels, rafters etc
also for pine
and I've often found CHH pretty useful for beams - light and easy to install
designIT software is good.
Saved me buying a table book which last time I looked were a hundred bucks or so. Anyway happy renovating!
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28th Oct 2005, 08:11 AM #2
If anyone wants to know any span sizes etc just let me know through the forum.
28th Oct 2005, 06:17 PM #3
The hardwood that Ford produces is a great product, i can stand by it, beware that if using hardwood from Vic it will not reach aceive the same spans as this stuff.
5th Nov 2005, 11:41 PM #4
For Peter-Beam Selection
Here is the drawing with the dimensions.
5th Nov 2005, 11:44 PM #5
For Peter-Beam Selection
Here are some photos.
7th Nov 2005, 03:19 AM #6
I could not find on these sites how deep footings should be when building a deck or the like.
Pharmaboy2 or anyone else do you know where i could get this info?
I live in Townsville which has a cyclone rating and i want to build a varandah along the side of the house (shade cloth roof). Could anyone give me some info on footing sizes?
Ps thanks for the other sites they will help with the framing dimensions. I wish i had found this website 5 years ago
7th Nov 2005, 03:32 AM #7
7th Nov 2005, 07:08 AM #8
readnik, the foundation depth is determined from the site soil classification.
if this is unknown or you do not wish to go to the expense of having a soil test done many councils will accept 'founded at depth of existing footings'
The minimum embedment for Class A & S sites is 400mm
Class M 500mm
Class M-D 800mm
Class H 1000mm
The area of deck supported by each post then determines the pad size required.
7th Nov 2005, 09:04 PM #9
thanks very much ausdesign much appreciated
I live in an estate in townsville so i am sure the developers would no this soil type so i will hit them up on my next break.
8th Nov 2005, 07:35 AM #10
I am looking into doing a deck (when they finish the house that is). Could you possibly give me some help on spans, post sizes etc.
It will be coming straight of the back of the house enclosed in the "Alfresco" area. It will be approx 6m square. I wanted to do the construction from treated pine and deck it with merbau or preferably jarrah if the budget permits.
Any tips would be greatly appreciated.
9th Nov 2005, 12:42 PM #11
There are many configurations of bearers & joists that you could use.
For example 140*45 joists could span 3 met, requiring 3 rows of bearers ( one at the house) 2/240*45 bearers will span 3 met requiring 3 stumps along each length.
The Timber Promotion Council victoria have a booklet (used to be around $14) with spans and info on stumps, step materials, posts etc etc - called "Timber Decks design & construction manual" I don't know if this no. is still current 9662 3222.
Alternatively if you send a detailed sketch of the layout and what you want to do I'll look at it but as i said there are many configurations
12th Nov 2005, 09:52 PM #12
Pharmaboy - thanks for the links.
I have had a look at the DPR tables and have a few questions. I am looking a buiding a small shed (3x4m) on a slab with a gable roof. Looking at the tables for 2400mm studs there a several columns I'm not to sure about.
Frame Size (75 or 100mm) - I assume that this is the depth of the wall frame?
Roof Span in mm - is this the span along the wall frame (ie the length of the frame) or is it the roof span perpendicular to the wall frame (ie the distance between the two frames spanned by the rafters/truss)?
I also have a question re timber grading - I have access to recycled hardwood 50mm x 75mm - what stress grade should I use? It is well seasoned! I was thinking F11 or F14?"If something is really worth doing, it is worth doing badly." - GK Chesterton
13th Nov 2005, 09:06 AM #13
Well, the house is just about paid off (10 years into the 25 year loan and she who must be obeyed wishes to extend.
Currently a 3 bedroom timber home, steel roof.
What we would like to do is add (to the rear of the house) 2 bedrooms, and a toilet, convert the existing bathroom to an ensuite and one of the existing bedrooms to the new bathroom.
The fall of the land would allow an additional room under where the wanted extention would be.
What I woud like is to have is a wall free area of approx 6m x 5m (7m x 6m would be nicer for use of whatever I want (games room, home theatre, garage, workshop, bar, whatever
Suggestions to accomplish this ?
Steel beams perhaps to support joists ?
All suggestions accepted
13th Nov 2005, 09:26 AM #14Originally Posted by Dion N
Originally Posted by Dion N
Originally Posted by Dion N
Only worry you'll have with it is how to get a nail through it
13th Nov 2005, 09:30 AM #15Originally Posted by Terrian
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