Pavers, especially large format pavers are best laid on a concrete base (reo not always needed). Laid with mortar or tile adhesive

Are the blocks filled with concrete? Are they laid on the concrete base or external footings?
Can you post a pic bit easier to offer advice

Screed sand & cement to ensure a fall, Use plastic packers to keep battens from surface
Coat underside of decking with paint (similar color), this will reduce cupping close to the…

Use a mortar mix (brickies sand and cement) to lay the pavers, allow 50mm min for the bed. Set up the first and last paver to required heights. Set…

Depends more on the design of the structure, heat will build up with no ventilation.

Second Pic looks like you excavated below footings?
If left for 3 months this could have caused the failure.

Short answer, No

The problem is more the level difference, the exterior has to be lower than interior, about 75mm

Your deck timbers may be treated but what you have done is breached any termite barrier for the existing house. levels are to high near existing wall, Recipe for disaster.…

Scotty, you just need an expansion joint between shell and slab

Would build independently to house, will be trouble down the track for sure.
Be also mindful of any termite protection breached

Didn't say you will need a surveyor, just in suburbia due to close proximity of boundary's we have to when carrying out any works which impact on others.
If your not…

In regard to levels, we use either the old school optical (two man job), or a laser level. But we don't use them for making survey plans, only on the…

Have you entered correct load width?
Just rechecked and passes software test for 'carport' beam with sheet roof

Need to get the footings certified for that purpose

Your initial out lay is certainly going to put a big dent in any saving you will make from a one off project.
Autocad civil is a better choice for topography.…

Try liquid chlorine mixed 10:1 with water, leave on for 5 min wash off (may need a little scrub')

Big thing to note on this is that paper tape must be used, not mesh
Also back blocking of joints is also used to prevent cracks.
Expansion joints only needed in very…

290 x 45mm will be fine

MGP means machine graded pine, 10 relates to the stress grade, this can be treated or untreated

A. Depending on the adhesive and the condition of the paint.
C. What sort of stone?, is it exposed to any elements?

Pretty sure for wet areas you leave a gap and fill with sealant.
Therefore painting not required.

So many factors, are the walls load bearing?
…

How did you lay them, adhesive or mortar? Bed thickness?
What size paver, thickness?
Expansion joints installed, how often is the area enclosed by walls\structures

If the planter boxes have a painted external finish, then i would do it right first time.
Try Tradelink for a supplier and atlantis products here s a link to their…

Ring your local plumbing supply store they will be able to source it or similar.
Depending on the wall core flue sheets can also be used as alternative

2400mm is to far to span with treated pine sleepers, would need a post between

Fixed at 500mm centres over a continuous length, it wont bend
This is not a structural deck it will be stuck to a slab, its a bit like using battens on…

That's correct, your welcome