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Budapest
Budapest
5 July

Honed Aggregate Finish

Honed Aggregate Finish

It's probably not quite as good as ours. https://ibb.co/c3LmVBc Ours isn't perfect, there was excess sealant in one area that you can see on the RH picture, and the corner…

5
1445
Budapest
Jul 05, 2024 12:11 pm
Eng. B A
Eng. B A
1 July

Concrete cracking

Concrete cracking

In my opinion, this is because the posts are built in control joint way. Control joints are normally placed in non-structural floating slab at maximum 3.0m spacing. So if…

3
1269
Eng. B A
Jul 01, 2024 5:44 pm
Matt Z
Matt Z
15 June

Travertine pool pavers cleaning

Travertine pool pavers cleaning

I’m after some advice about how to go about cleaning 600x400mmx30 thick filled premium pavers. My large pool paving project has gone rather slow over the months my…

0
2955
Matt Z
Jun 15, 2024 4:59 pm

Rain damaged concrete causing dusting

Rain damaged concrete causing dusting

Thanks, we are headed in the direction of grinding, but unsure of what to do on top of that?

2
3696
Build101.1
Jun 02, 2024 9:03 pm

spacing between trench mesh and top of footing

spacing between trench mesh and top of footing

Hi, I'm in the process of making a footing with two pieces of trench mesh (4L12TM ) at the top and bottom. I'm wondering if anyone knows how far beneath the top of the…

0
8063
mashed-potatoes
May 06, 2024 8:09 pm
Pulse
Pulse
18 February

Footing advice and core fill advice for 600mm retaining wall

Footing advice and core fill advice for 600mm retaining wall

Versaloc is a mortarless besser block system that still needs a properly engineered footing. If you just do a 400x200 footing it will fail in time. At 17m long you need it…

1
23375
Pulse
Feb 18, 2024 7:24 pm

Last year I had a gas leak at my house. 3 days later, I have about 1 sqm of my exposed aggregate paving broken up. I am not sure how to go about getting it repaired…

0
11679
annie.ad38
Jan 19, 2024 6:32 pm
building-expert
building-expert
16 November 2023

Possible to "surface over" or would I need to completely rel

Possible to "surface over" or would I need to completely rel

You can wash over existing pavers with 10% solution of water and hydrochloric acid, then wash off. The acid will provide for required bond key with new concrete.

1
38491
building-expert
Nov 16, 2023 7:19 am
building-expert
sarge
sarge
30 October 2023

New Concrete Laid

New Concrete Laid

I had new concrete laid, extended the alfresco and had the sidewalks concreted too. I noticed the concreter didn't put the expansion foam anywhere, there are expansion…

0
8638
sarge
Oct 30, 2023 6:25 pm
Shelby2023
Shelby2023
12 October 2023

New driveway & stormwater pit

New driveway & stormwater pit

Could tou please provide info on the stormwater pit cost?

4
34727
Shelby2023
Oct 12, 2023 6:59 pm
ponzutwo
ponzutwo
20 September 2023

Does this concrete perimeter raise any concern? Help please!

Does this concrete perimeter raise any concern? Help please!

i had the my concreters concrete right up to the fence. I have pits all along my path, so the water tends to drain away from the house and into the pits. There's only one…

7
14093
ponzutwo
Sep 20, 2023 3:08 pm
Mike1000
Mike1000
20 September 2023

Water around stormwater drain and concrete

Water around stormwater drain and concrete

Grab a hose, insert it at the top of the inlet/down pipe and turn the water on and see where the water is escaping from. Then you'll know.

3
9693
Mike1000
Sep 20, 2023 11:37 am
alexp79
alexp79
16 September 2023

Bondek vs Speedfloor

Bondek vs Speedfloor

I have used both and I think Speedfloor is more convenient for services due to their beams already have services penetrations. However, Bondek allows thinner slabs overall…

1
2755
alexp79
Sep 16, 2023 8:09 pm
RS0308
RS0308
4 September 2023

driveway related query

driveway related query

Thank you ponzutwo for the information, much appreciated.

2
7675
RS0308
Sep 04, 2023 4:17 pm
Zedzee
Zedzee
11 August 2023

Path around drop edge beam

Path around drop edge beam

Hello everyone, After some suggestions and ideas about how to put a concrete path around the drop edge beam area on our new build. We are required to have a concrete path…

0
13753
Zedzee
Aug 11, 2023 2:44 pm

Thanks splashers, that makes sense. The waterproofing guy used this Davco product, I will raise the issue with builder and hopefully get resolved with him - if not…

2
13684
Jimmy2times
Aug 05, 2023 12:04 pm
tiprat
tiprat
17 June 2023

Right sand to use?

Right sand to use?

I'm putting a new floor in my kitchen, slate flagging on a standard concrete slab. I have allowed for a bed thickness of up to 20mm to accommodate the different…

0
18162
tiprat
Jun 17, 2023 8:41 am
SaveH2O
SaveH2O
13 June 2023

Concreting surface too high

Concreting surface too high

It will be neat but you won't have much freeboard. At least they are not weep holes. Are you in a high intensity rainfall region? The regulatory slope is only required…

3
10067
SaveH2O
Jun 13, 2023 2:17 pm
SaveH2O
SaveH2O
SaveH2O
29 May 2023

Concrete Perimeter Help and advice

Concrete Perimeter Help and advice

Yes, unless you are in a low intensity rainfall area or the area is protected from rain. Do you have access to NCC Part 2 or can you download it? I can email you a copy…

10
13481
SaveH2O
May 29, 2023 9:07 am
SaveH2O
wayfarer
wayfarer
2 May 2023

Concrete driveway: joint spacing

Concrete driveway: joint spacing

Hi all I need a guidance on how far I need to space expansion joints in the concrete driveway and its type (keyway/foam.) Contraction joints are at 3m max for a 125 slab. Thanks

0
11398
wayfarer
May 02, 2023 2:29 pm
qrius
qrius
1 May 2023

Battleaxe Properties

Battleaxe Properties

That's a very good point, you make. Thank you for telling me this. :-B

7
7452
qrius
May 01, 2023 12:29 am
newontheblock
newontheblock
6 April 2023

Brake and Parts Cleaner - Exposed Aggregate

Brake and Parts Cleaner - Exposed Aggregate

Brake and Parts cleaner can potentially cause damage to an exposed aggregate driveway due to its chemical composition, which…

2
12287
newontheblock
Apr 06, 2023 11:03 pm
Dan87
Dan87
23 March 2023

Concrete floor raised? issue?

Concrete floor raised? issue?

Just an update. Its suffering from "slab heave". Issue is the 2 downpipes which were directed away from foundation has ran back. Our last downpour was a good 6weeks ago.…

7
16270
Dan87
Mar 23, 2023 10:01 am
JustAnotherUser
JustAnotherUser
22 February 2023

Driveway concrete rejuvenation

Driveway concrete rejuvenation

My driveway is looking pretty dull. I am weighing between painting and resurfacing. It has no cracks or major damage. Has a few chipped edges. I understand that pressure…

0
8289
JustAnotherUser
Feb 22, 2023 8:27 pm
StructuralBIMGuy
StructuralBIMGuy
13 February 2023

Voids under house foundation - how to address?

Voids under house foundation - how to address?

RE1 You can't keep drilling the slab unless you have engineering drawings. That's why scanning has become popular get an engineer not a inspector with a new tool? RE3 deep…

6
9804
StructuralBIMGuy
Feb 13, 2023 11:17 am
StructuralBIMGuy
Nwest
Nwest
30 December 2022

Small slab for chicken run

Small slab for chicken run

Hi Rory, Completely forgot about my post here, thanks very much for the reply!

2
32456
Nwest
Dec 30, 2022 2:04 pm
chippy
chippy
5 November 2022

Remove coating on concrete driveway

Remove coating on concrete driveway

It's probably pebblecrete or something similar. The only way to remove it is mechanically. Basically jackhammer and then grind to remove any left over. There are companies…

1
22222
chippy
Nov 05, 2022 1:47 am
chippy
patio123
patio123
29 September 2022

Unlevel Concrete Patio

Unlevel Concrete Patio

I have a concrete patio that runs all the way around my Granny Flat. Water pools in large sections at the back because that side is lower than it needs to be for the…

0
12865
patio123
Sep 29, 2022 8:06 am
CuriousEm
CuriousEm
24 September 2022

One or two driveway jobs?

One or two driveway jobs?

Thanks aussieta. You raise some worthwhile points.

2
4630
CuriousEm
Sep 24, 2022 5:34 pm
SamMac
SamMac
24 September 2022

Honed V Exposed Aggregrate Pool Area

Honed V Exposed Aggregrate Pool Area

Thanks mate. We’re doing a coping paver around the pool, then concreting the remainder of the pool area.

2
4120
SamMac
Sep 24, 2022 11:33 am
stanks
stanks
5 September 2022

Concrete cure time

Concrete cure time

Hi, I've put down a 400x400x90 pad using some general purpose concrete for a pillar letterbox. The box will be fixed with a Dyna bolt. How long would I need to wait…

0
7910
stanks
Sep 05, 2022 8:09 pm

Hi Thanks for all the advice here. Since it rained after laying the concrete, there have been patches on the concrete. Concreter is suggesting painting over it. Will that…

0
5536
JustAnotherUser
Jul 14, 2022 8:37 am
Bao Nguyen
Bao Nguyen
8 July 2022

Concrete footing

Concrete footing

Its a total length of 7.5m. The idea is to dig a trench next to it, drill holes in the existing footing and insert rebars to hold them together. Im a bit iffy about it…

7
8751
Bao Nguyen
Jul 08, 2022 10:05 am
bashworth
bashworth
20 June 2022

Concretor jargon - apron around the house

Concretor jargon - apron around the house

F.62 steel reinforcement with bar chairs to total area. Abelflex expansion joints and steel dowels to existing brickwork and concrete. Seems a reasonable specification

2
3916
bashworth
Jun 20, 2022 5:55 pm
bashworth
groundzero
groundzero
16 June 2022

Concrete efflorescnse

Concrete efflorescnse

Is there a spoon drain on the other side of the garage in the driveway ?

4
4573
groundzero
Jun 16, 2022 11:28 pm
building-expert
building-expert
16 June 2022

Multiple cracks on 4 day old driveway

Multiple cracks on 4 day old driveway

The purpose of cutting control joints is to release concrete shrinking stresses and the cutting should be done within 24 hrs of the concrete being laid. Four days is too…

2
4844
building-expert
Jun 16, 2022 7:55 pm
building-expert
Rory
Rory
16 June 2022

Hytec Concrete Colours - Dalmation

Hytec Concrete Colours - Dalmation

Best thing to do is call Hytec and ask if they can give you an address in your area where it has been poured.. also ask them how long ago it was poured as for the first…

1
5405
Rory
Jun 16, 2022 1:22 pm
Rory
4
3825
AnjC
May 31, 2022 12:09 am
Pulse
Pulse
18 May 2022

Stormwater runoff from neighbour

Stormwater runoff from neighbour

Hard to say from that photo, generally normal run off from natural surfaces are allowed, run off from hard surfaces should be to stormwater drain. Driveways on council…

4
8152
Pulse
May 18, 2022 9:54 pm
Pulse
Pulse
4 May 2022

Best pavers (supplies) in Sydney

Best pavers (supplies) in Sydney

Quality is hard to assess, porcelain pavers might do better on a concrete base too. Just pick what you like at a price you can afford. TFO is pretty good value, Amber good…

1
6554
Pulse
May 04, 2022 9:05 pm
Budapest
Budapest
3 May 2022

exposed aggregate concrete in alfresco area

exposed aggregate concrete in alfresco area

We are considering exposed agg in the alfresco for our build. It sees danandmel and Debra50 are no longer circulating - has anyone gone down this path? Comments?

10
9531
Budapest
May 03, 2022 3:13 pm
aLittle2theLeft
aLittle2theLeft
3 May 2022

Proper method for laying concrete

Proper method for laying concrete

Ask the Concreter how the drainage works. Even tell them you’re concerned about damp getting into the structure and causing damage or worse (mold got into my bedroom…

4
5730
aLittle2theLeft
May 03, 2022 6:34 am
aLittle2theLeft
aLittle2theLeft
3 May 2022

Removal of large concrete driveway and front entrance

Removal of large concrete driveway and front entrance

Hopefully you found out you were being overly anxious. Driveways are one of the last parts to building a house. Only yesterday while we were finishing off the front…

1
4511
aLittle2theLeft
May 03, 2022 6:22 am

Hi Guys, TLDR: How would I restore a sandstone/limestone (?) slab so that I could lay interior flooring. What kind of surface prep and would self levelling concrete work?…

0
11953
gerald_au
Mar 28, 2022 9:31 pm
ajaykk
ajaykk
19 March 2022

Vehicle crossover

Vehicle crossover

Hi , I recently got a second crossover done on my titled land . As there is a neighbouring empty lot . So I went to my block just to make sure the crossover didn’t…

0
5650
ajaykk
Mar 19, 2022 5:26 pm
johnny concrete
johnny concrete
19 March 2022

Opinion on concrete path please

Opinion on concrete path please

Hi there, First things first, yep it is a very messy job that has been done with no care taken. Things to consider.... is it ORG or a drain? so could it have been…

8
10311
johnny concrete
Mar 19, 2022 3:58 pm
Pulse
Pulse
9 March 2022

Strip drain alternative - landscaping

Strip drain alternative - landscaping

I’m planning a slot drain in 20mm porcelain pavers, cantilevered over a cheap plastic drainage channel. I’m thinking of getting a 316 angle lip welded up for the…

1
5843
Pulse
Mar 09, 2022 6:07 am

hi all, keen to know what can cause thrive marks on exposed concrete? I recently had my driveway done and having similar issue, is this considered a defect of concrete…

5
10301
tolearn
Mar 07, 2022 4:34 pm

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