mix concrete resurfacing product at a ratio of seven parts product to one part water with a trowel in a clean bucket. the mixture will be thick. spread it into any holes and cracks on the floor with a trowel. level the surface of the mixture with the surrounding garage floor, feathering the edges of the patch.
the more rigid the sub-floor the better the surface will resist water penetration. a cement-based waterproofing mortar is also a good option. for metal lath, a stucco-grade material is fine. i have seen anything from chicken wire to concrete wire mesh used successfully. find interior concrete overlay products. find concrete resurfacing products
we are going to be pouring a 1.5' concrete slab overtop of a plywood floor to 'encase' our in floor heating pipes. lots of guys pour directly ontop of the plywood but i wanted to find should i put a membrane between the concrete topping over plywood subfloor - carpentry - contractor talk
floor-top stg is a standard traffic-grade, single-component, shrinkage-compensated, self-leveling floor topping and underlayment that may be pumped or poured. floor-top stg is specially designed to smooth out uneven, rough or minor deteriorated interior concrete floors.
the topping concrete should be spread, compacted, screeded and bull floated as for a concrete floor. 4. finishing. the type of finishing required for the topping concrete depends on many factors such as place, usage and surface requirement. if topping concrete is placed on the existing slab, then it is given rough finish for laying of flooring
zurijeta/shutterstock. how to pour a concrete slab: the basics. the bulk of the work for a new slab is in the excavation and form building. if you have to level a sloped site or bring in a lot of fill, hire an excavator for a day to help prepare the site.
pouring concrete over existing concrete sidewalk or patio surfaces is an option if the existing base is structurally sound. you need to start with a clean surface and ensure a proper bond to create a new concrete surface that lasts.
the tools you'll need for pouring a concrete slab are: rubber boots, gloves, magnesium screed, bullfloat, metal rakes, mag float, shovel, and maybe an extra concrete chute. how to pour a concrete slab: step 1. after you've formed up the slab and you're all ready to go, you have to figure how much concrete you'll need.
the concrete slab should be four-inches thick at least; it needs to be thicker if heavy equipment will rest on it. building codes offer requirements for the concrete mix, which vary by region. the standards are expressed in terms of 'compressive strength,' which boils down to the amount of water used in the mix.
the topping concrete should be spread, compacted, screeded and bull floated as for a concrete floor. 4. finishing. the type of finishing required for the topping concrete depends on many factors such as place, usage and surface requirement. if topping concrete is placed on the existing slab, then it is given rough finish for laying of flooring material.
sealing - generally, you should pour the screed gypcrete or concrete after you put up the drywall, to provide a good seal between the floor and the wall. they claim that gypcrete seals better than concrete but i don't think this is a problem if you use a concrete with better flow characteristics than normal concrete.
topping slab strength and specifications . for bonded and unbonded concrete topping slab, strength of concrete for concrete topping slab is governed by function of the slab; 30mpa for light duty, 40 mpa for medium duty, and 50 mpa for heavy duty. the concrete topping used should have a maximum slump of 75 mm.
given that the floor is interior, the cracks between the existing concrete and the trenches for plumbing and electrical probably wont move. the topping mix that you mentioned is ok. the day before you place concrete, wet down the surface and keep it wet until you place concrete but dont have any standing water on the slab during placement.
concrete resurfacing over wood or plywood substrates. turn off all forced ventilation and radiant heating systems. protect for up to 24 hours after completed installation. the floor can be walked on in 3-4 hours. however, if the surface is colored using a dyes or stains or any other cementitious micro-topping
concrete over concrete by: engineer if you are laying pouring concrete over existing concrete there needs to be a bond. when i say bond the concrete you are lying on top off needs to be a rough finish like scabbled. you could drill holes into the existing concrete surface and insert steel pins and then the mesh on top.
watch this video before pouring new concrete over existing concrete walkways or patio and what the thickness of the concrete would need to be. pour an elastocrete floor over tile in
it is a polymer modified concrete that flows to a level floor more readily. there are two types an underlayment one that would be fine if you are topping it with carpet, linoleum or laminate flooring. there also is a topping type that can be colored and even saw cut to look like tile or stone.
4 pouring concrete slab, the first pouring concrete beam, starting from the beam column node parts, to ensure that the beam column node part of the vibration compact, and the law in the pulp slurry cycle forward with the plate pouring, but not cold joints.
quikrete 60 lb. sand/topping mix features a uniformly blended mixture of portland cement, graded sand and other approved ingredients. this mix is ideal for repairing and topping damaged concrete surfaces that are less than 2 in. thick.
if your concrete garage floor has seen better days, you can apply a concrete overlay to give it a new lease on life. before you begin, any cracks must be repaired, so you arent just masking old
aggregates are additives that make up most of a concrete mix. fine aggregates are typically sand or crushed stone. this type of mix is best for pouring a very thin coat of concrete, such as when topping off or leveling out an existing slab. the aggregate in a concrete mix is listed on the label. you can also see it when you open the bag.
overpouring old concrete with new concrete. step 6: float the concrete with a wood float, then tool with an edger. recreate any surface treatment, like brooming, used on the original surface. cut control joints in the original locations. let the surface cure for one week, covered with plastic.
you can use a 50% mix of water and latex bonding agent like acryl 60 to make the slurry. squeegee or sweep with a stiff broom the slurry into the existing floor just ahead of concrete placement. the slurry must not dry before concrete is placed over it. after the concrete is finished, it should be wet-cured for 14 days.
concrete topping. if the topping you applied is loose it should be removed. the old base then must be roughened before applying another topping which should not be less than 1 inch thick. instead of using a 1 to 3 sand mix, use a mix consisting of 1 part cement, 1 1/2 parts sand and 2 parts 3/8-inch gravel or stone.
the topping for a class 3 floor is a concrete mixture similar to that used in class 1 or 2 floors. the topping for a class 7 floor requires a multiple- pass, hard-steel-trowel finish, and it usually has a higher strength than the base course.
concrete overlays decorative concrete micro toppings plywood sub-floor with the popularity of decorative concrete on the rise, many people considering remodeling, particularly in the northwest, feel like it isnt an option for them simply because they have plywood sub-floors.
the old surface is prepared so that the new concrete will adhere, then the new cement is added. you will need a frame to hold the mix until it hardens. build a frame for your concrete. build it around the damaged concrete so that 1 inch of the wood extends above the old concrete.