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Please see attached pic Builders are not planning to use end blocks on the ends around the whole perimeter. Say insulation around the cavity is enough of a seal. Is it not necessary?

Will ask but not sure they got a plan for this apart from ordering from selco!

Thoughts on this please Span of approx 5.3 but beams cut and abutted end to end to end on a sleeper wall. Roughly 2.7 and 2.9 length Would you do the same or stagger the beams? Any comments on critique welcome

Thank you

*Or is this generally permitted?

Hi our existing house is red common bricks but is rendered white We are building an extension but hoping to use these colour bricks (see pic). Do you need special approval for this or i

Any thoughts how to shunt air flow from existing house (x5 double airbricks) through to extension void (under block and beam) out through 2 airbricks in the engineering bricks of the extension. Would you make new holes in the existing hole recessed lower or have pipes that shunt below? Ps The...

How would you channel the airflow through the air bricks from existing house into the extension void in order to leave via the 6m extension outlet? The current opening will be sealed via the block and beam suspended floor See pic

The extension is 5.8x6m. 1500mm2 opening per metre run of perimeter needs a lot more air bricks than what's done so far! Isn't that 6 across the width or 3 double and the same on each side?

Still waiting on a reply from the BC architect tech but is abroad for bereavement reasons unfortunately so a bit stuck to check things

This is block and beam spec attached for our project. Any suggestions or would anyone do anything differently.

I'm thinking to do the flush patio also as a suspended floor with a block and beam so it makes sense to think about your suggestion with the storage at the front of the patio for that segment of void (the void under the extension will go to waste I guess - the side will be a flush walkway too) ...

I don't think cutting through the concrete blocks at the front would then be sufficient support for the concrete t beams that run across. The plan is go have 4m bifold at the front. Are you thinking of a pipe that channels air flow from existing house through the side or front of the extension?

I was thinking a 3m flat patio from the patio and then central steps. I would also love to have that void as storage but where would you construct a door and how would it keep the structure stable??

The drop from the house to the garden floor level that extension is built on is approx 1m

The block and beam have been lowered to ensure there is enough space for insulation and screeding etc to make the floor level flush with the existing house. Concrete t beams are 3m hence the need for a sleeper wall to stagger the beams to cover the approx 5.5m span of the house

I've made attached the pic to show it clearer

Thanks John for your very helpful reply. I'm curious to see what the builders will do about the vents from the existing house - I'm not if you can see it just in the back of the house. There's 4 air brick openings. Would there need to be a channel that feeds into each of the dead spaces unde...

Have asked their opinion of course but thought I'd get some input from here too. Any thoughts about mixing concrete blocks with engineering bricks for the sleeper wall & perimeter supporting walls too?

Hello all, Thoughts on this please Suspended floor with block and beam. 2 vents only at the front - is this sufficient? Also a sleeper wall to support the beams mixed with engineering bricks and concrete blocks - thoughts? Many thanks in advance for your input