Harris explains that in order to be successful with this application he gypsum must have a psi of 3500 psi at a minimum.
3500 psi polished floor cement content.
This type of flooring option is helpful in apartments and condominiums because it helps absorb sound.
I ll show you the actual concrete batch plant ticket with the cement sand and aggregate break downs for the yards we used.
Traditional concrete walls and columns tend to range from 3 000 to 5 000 psi while 4 000 to 5 000 psi is needed for pavement.
1 02 work in the section applies to polishing concrete floor surfaces to a.
You can do this.
This type of concrete can be used while damp.
Concrete with psi levels exceeding 3 500 is used for construction of foundations and floor slabs.
Verify concrete surfaces have received a hard steel trowel finish 3 passes during placement.
Place concrete to achieve as true and smooth a top surface as possible.
Provide polished concrete floor treatment in entirety of slab indicated by drawings.
I had a long talk with the plant super mix plant is 2 blocks away and decided to go with 3500 mix with the same large rock.
The cpc has worked closely with polishing contractors manufacturers and designers to compile specifications guidelines and position statements.
Free homes for the improvements concrete strength up to 3 500 to the 4 500 psi is enough.
When making of walls and footings concrete psi strength 2 500 is enough could be between the 4 000 up to 5 000 psi needs for the pavements for construction.
If you feel the need to have air entrained concrete try not to exceed 3.
Many states prohibit the use of concrete for construction with psi levels under 2 500.
3 500 psi to 5 000 psi.
Suspended slabs beams and girders as often found in bridges require 3 500 to 5 000 psi.
Verify concrete is cured to 28 day duration and 3500 psi 24 mpa strength.
Concrete footings and slabs on grade typically require a concrete of 3 500 to 4 000 psi.
Use a minimum 3 500 psi mix.
Not allowed if aggregate.
Part of the cpc s mission is to establish a clear concise technical foundation for the concrete polishing industry.
Do not add air to the concrete if at all possible.
Harris first sands the floor in preparation of applying two coats of duraamen cp1000 primer.
These are the actual concrete mix ratios for 3000 3500 4000 and 4500 psi concrete that i use to pour concrete floors patios pool decks and more.
I also researched my ass off on what concrete specs mean and how they concoct the stuff.
Between 3 500 and 5 000 is preferred for polished concrete.
Provide consistent finish in all contiguous areas.
3 000 psi is normal for concrete driveways concrete sidewalks and patios.
Minimize driver added water maintaining a 45 water content ratio.
Contractors often use 3 000 psi concrete which is sturdy and lasts long in general construction.
