The Concrete Forum - Concrete.Com - Ask Dr. I'd recommend a brown tinted acrylic sealer (25 to 30% solids) made especially for exposed aggregate. If so, buy some redi-mix that uses the same size aggregate. Ours wouldn't ( Northern beaches council ). Article by eHow. Product to be used in repair of this situation: PROSPEC CR With the loss of the aggregate, the slab develops surface bald patches or depressions. It is horrible to walk on bare foot and it just looks too 70's and 80's to me. For more permanent concrete driveway repair, chisel out a gap that is wider at the top than the bottom (to keep the filler from pushing upward). I have to reseal exposed aggregate concrete driveway with clear-wet look-satin/glossy kind of sealer. This briefing note discusses techniques that are widely used to expose the aggregate for flatwork applications – floors and pavements. For deep cracks, you might want to fill the gap with sand to block out water. Concrete porch, closeup showing exposed aggregate. Re: Exposed aggregate concrete sidewalk Paul,I've done many exposed aggregate walks over the years.Most with good results-one disaster.When we first started doing them we would order a standard concrete mix and then sprinkle the aggregate on top. You are not logged in. I have never been a fan of exposed aggregate, though. Then mix and install the additional concrete with the appropriate aggregate. Aggregate is waterproof, slip resistant, is more expensive than plain concrete, and needs next to no maintenance. this layer will more than likely develop some shrinkage cracks, but no worries since it will be covered up. The EA is actually is great shape for being over 30 yrs old. It may not be the best way for what you are doing, but it may be a good way to fix what is already done. 149. Step 2 - lay down your first coat of overlay. I thought all exposed aggregate concrete are suppose to have that natural uneven texture and patterns? I was told by someone that by doing an acid wash on my EA that I could get it looking brand new. The cost to repair under exposed aggregate is a fraction of the costs involved in ripping it up, disposing of the debris and re laying new concrete and not to mention the time wasted and the anguish experienced. Just wondering if any of you out there have had exposed aggregate and tried to hone it down with a concrete grinder to get a kid friendly finish I rang kennards hire today and they said, they wouldn't hire me a machine because I would destroy it. I am really disappointed with the final product. My calcs say it will take 3.7 bags of mix. I've used a floor grinder before on normal concrete and didn't have an issue. most exposed aggregate will be sealed to protect it or keep it from popping out. Much of this from excessive rock salt application. this step is crucial. ProSpec CR. It was a big job 213m2, and a couple of trucks were required. The cement in a concrete slab usually holds the surface layer of aggregate in an exposed aggregate slab securely in place. you don't really notice it after a while because the slab eventually gets a bit stained from all sorts of other cr@p. You need to check with the council whether they would allow the agg or not. Now he wants to use muratic acid wash on it to even it out. The slab will look dry before that, but don't be fooled. Anyone have experience plowing an exposed aggregate driveway? It was very fine aggregate though, and it was on a conc. Step 1 - strip it. Bondcrete in the sand/cement mix plus Bondcrete priming of the gouges has worked well although the Bondcrete mix is a bit darker than the original concrete. Stewie Without resurfacing this aggregate has the potential to degrade past the point of repair. Easy2.com: Insulating an Unfinished Attic Step-by-step guide with diagrams, an animation, … Crossover - exposed aggregate vs existing pavers Crossover - exposed aggregate vs existing pavers. Please help. Aggregate Research Industries Web site (www.aggregateresearch.com) includes topic-specific forums where forum members can pose questions and respond, creating an interactive discussion group. Ace Concrete Finishing, Inc. -- WA License # ACECOCF953NC -- Insured & Bonded -- Phone: 206-650-6535 wall. Brush in latex bonding glue and fill the gap with patching compound. This crack filler will match the texture, color and appearance of exposed pea gravel. There is very little information on the net about this could please recommend a good exposed aggregate sealer. He poured the concrete like normal and came back a couple of days later and added the exposed aggregate. Call 1300 381 208 for a free quote. I have exposed aggregate (EA) surrounding my pool and also my patio. Eagle Crack Filler for Brown Exposed Aggregate repairs scars, gouges and cracks in outdoor concrete surfaces. I had a new exposed aggregate driveway put in earlier this year and noticed that stones keep coming loose. A bed is a piece of furniture or location primarily used or intended for sleeping upon, but also commonly used for sexual activities, relaxing, sitting, and reading. A potential customer asked if I could repair and install an overlay on his front porch. My plan is to let it cure for at least a week, then scrape off everything lpose and pour a 1/2" top layer of the same concrete to smooth and level the surface, seeding with the same 3/8" gravel to achieve the intended exposed aggregate finish. The question and answer in this Problem Clinic entitled "Rust in exposed aggregate" was based on ARI concrete construction forum postings. I was watching a contractor the other day doing some exposed aggregate work. I am with others on here. Cement Driveway Driveway Repair Cement Patio Concrete Steps Concrete Driveways Concrete Projects Concrete Slab How To Resurface Concrete Walkways. No water touching it for a minimum of 24-48 hours beforehand. It looks good to me. After building our dream home, I was hoping the driveway would create great kerb appeal. We sealed it last spring but it still hurts like heck on you feet! The aggregate hurts your feet really bad. We have recently had our driveway laid with exposed aggregate. It's exposed aggregate with some serious erosion on the corner Exposed Aggregate Build-up - Concretelocator.com: Decorative Concrete, Custom Interior Floori It is often helpful to use a single size of coarse aggregate (1/4 to 3/8 inch, or 3/8 to 3/4 inch, for example) rather than a graded aggregate. Rolling the aggregate sealer on the second time in the opposite direction as the first time may help reduce unevenness and lap marks. Using this product and Eagle Brown Premium Coat (in store) or Eagle Brown Gloss Coat (online) makes the crack virtually disappear. Deal with frost heave. Has anyone ever done this before? Had a similar situation with an outdoor slab when wind blew a sheet of corro onto it (Murphy's Law, of course). Many types of concrete have aggregate, or small stones, mixed in to help hold the mixture together as a solid surface. Re: patching exposed aggregate Is it the typical exposed aggregate from sponging the concrete just before it sets up? That all said, Exposed aggregate is a natural product, subject to many factors. This tends to give a good appearance. Make sure the slab is COMPLETELY dry before sealing. Allow the exposed aggregate sealer to dry for 1-4 hours. Building A New House. Contractor was supposed to do exposed aggregate. Pour the footings about 2-1/2" to 3" shorter than the top of the slab. Questions: Do I use a bonding additive, such as DAP? this will usually fill in any voids or low spots in the slab and create a solid base for the next application. Aggregate concrete is a popular decorative building material used to form driveways, sidewalks or other flat surfaces. An exposed aggregate finish gives a surface a unique, ornamental look without taking away from its strength and durability. Before you spend any money putting any other surface over it, ask yourself if you are capable of, or willing to pay someone else to do the work involved in the extra ongoing maintenance. More permanent repair. Sandblasting is an affordable solution to your problem and the results are great! My friend suggested Avista -however there are only three reviews on google for it … Bought a house with 20 year old, well maintained in ground pool that has exposed aggregate all around. When the car comes on the driveway I can hear the "crunch" of loose stones and I can see stones come off when I water the driveway. Sometimes, though, this hold fails, and pieces of the aggregate break away. Is exposed the same Concrete » Forums » General Discussion » Contractors' Forum » exposed aggregate on vertical surfaces Register User Forum List Calendar Active Topics FAQ He also got rust on it from his pressure washer. The contractor is unreachable and so I'm trying to figure out how to solve this problem. Poured cement, put on retardant, left it on in hot sun for a good day then tried to wash it off. Exposed aggregate concrete uses a concrete surface where the aggregate -- the gravel in the concrete mix -- is purposefully exposed for visual appeal. Sometimes these wear out and there’s a need to repair the exposed aggregate concrete.Having it exposed is undesirable because it makes your sidewalk or … Illustrated step by step guide to exposed aggregate concrete finishing. Weather, Sunlight, Mix type, slump, timing etc.. Spent ten hours straight the first day and four hours today. If you use anything other than a standard mix you should make sure it has the proper workability; if not, you may have to increase or decrease the sand content to make it suitable for placing and finishing. On-crete is Queensland’s most reputable provider of stencil concreting and driveway re-surfacing systems. Discussion in ' Commercial Snow Removal ' started by Ric3077 , Nov 18, 2008 . If the sealer dried unevenly, apply an additional coat to even out the appearance. Ric3077 Junior Member It will be sealed to protect it or keep it from his pressure washer in any voids low! Of trucks were required on you feet in outdoor concrete surfaces the council whether they would allow the agg not... Guide to exposed aggregate, or small stones, mixed in to help hold the mixture together a. 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