Any one using the glass fiber rebar rather than steel?

andy r

Member
I want to pour a slab of concrete in my machine shed. While gathering up materials I ran into "LiteBar" which is a glass fiber reinforcing bar. I didn't know if this product was catching on or not? Brochure says stronger than metal and of course lighter and rust free. Mentions less cracks. Any one used this product? Any ideas? Thanks.
 
What is the price compared to steel.
We know steel works good.
Most important thing is have a really packed base under the concrete.
My 30 x 60 shop is about 18 years old and I made sure the base was really packed.
No bars and still no cracks.
Richard in NW SC
 
I have seen it. I have not used it. The advantage is the weight while handling, rust proof, bendable, and easy to cut. The disadvantage is it it not rated for vertical reinforcement. It does not have a performance track record to fall back on that it know of. The fact is concrete will crack and predicting where it cracks is something not even Zoltar can predict. I?ve seen some ugly concrete that performed well with cracking and I?ve seen pretty concrete that fell apart. If it were mine I?d be game to try it as floor reinforcement with a 4000# mix and if exposed to elements include 5% air entrainment. Being in cold climate I would not pour my own floor after September to allow complete cure time before freeze and keep it it wet as long as you can. Moisture slows and aids curing and strength. I would also include a good oil based sealer. To control cracking cut 1/4 / floor depth relief cuts at 15-20? increments.
 
moisture helps the chemical action of hydration and speeds up gaining strength--test cylinders are typically placed in a bucket of water to test for the 14 day and 28 day strengths
 
We found 2 20 foot pieces of 3/8 laying in the road, and it was still there 2 days later so I went and got it, my wife is going to use in her garden for the beans to grow on! I can find a purpose for about anything! If there's going to be a lot of salt present it might be OK, but I prefer steel. I don't think you could bent it like you do with steel, and for me that's usually necessary. Don't handle it bare-handed, you will get slivers! In-to-deep, are you sure your not thinking of Glass fiber reinforced concrete? I know that's been around a long time.
 
I have never heard of an actual bar, but I have used just the glas fiber mixed in the concrete. Makes finishing a little tricky due to the tendency to 'fuzz'. I don't remember the trick, but the concrete has stood up crack free for years (more than 1 slab).
 

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