sealing cracks in concrete floors

Shanghai Doan Machinery Technology Co.,Ltd is a road repair machine manufacturing factory ,which is specialized in manufacturing Asphalt Distributor,Crack Router,Crack Sealing Machine,Chip Spreader,road roller,Asphalt Mixing Plant ,etc.
we own dozens of advanced production lines and advanced production technology and high quality professional management talents to ensure excellent product quality.

Our products include:


1) Delivery term: FOB,CNF CIF

2) Delivery lead time: 30 days after receive T/T deposit.

3) Payment term: .30% as deposit by T/T, balance will be paid by T/T against the copy of B/L.

4) Quality assurance: Test Certificate is supplied with shipment, third Party Inspection is acceptable.

Our Advantage:

1.Operating radius is small, can work in a small area,suitable for groove backfill;
2.With HONDA gasoline engine or famous water-cooled diesel engine,superior performance,easy to operate;
3.With international famous brand PH hydrauulic drive unit,infinitely variable speed;
4.Hydraulic steering,reversing conveniently; Vibratory Road Roller
5.Internationally renowned NSK Bearings,MITSUBOSHI (Samsung) belt, to ensure the work performance of machine;

Inquiry Us Inquiry For More Information!Send Email To:

How to Seal or Repair Cracks in Concrete Walls, Floors or ...

How to seal a cracked masonry foundation wall or floor slab. To seal a shrinkage crack or a control joint crack in a poured slab, regardless of whether or not it has occurred at an expansion or control joint, it may be appropriate to seal the surface to resist water entry and radon gas entry.

How to Seal Control Joint & Expansion Joint Cracks in Concrete SlabsHere we discuss how to choose among and apply the alternative methods for repairing or sealing cracks in masonry surfaces such as poured f...Types of Sealant Repairs in Concrete & Concrete StructuresControl joint sealant: control joints, designed to control where cracks appear in placed horizontally or vertically, are themselves are se...How to Seal A Cracked Masonry Foundation Wall Or Floor SlabTo seal a shrinkage crack or a control joint crackin a poured slab, regardless of whether or not it has occurred at an expansion or contro...Typical Concrete Crack Preparation For Sealant With An Epoxy ProductCarson Dunlop Associates' sketch shows three common methods used to seal cracks in masonry walls in an effort to stop foundation leaks.[Click to en...Use of Polyurea as A Control Joint Filler Or Crack Sealant in Concrete Slabs (Polyurethane Foam Injection Method)Polyurea joint filler products for control joints have received attention for filling control joints and is increasingly used in t...Use of Epoxy-Supported Grouts as A Control Joint Or Crack Filler in Concrete Slabs Or WallsEpoxy grouts are available which can be mixed and troweled into a crack or joint. These products are less flexible than the control joint...How to Choose Between Using An Epoxy Crack Sealant & A Polyurethane Crack Sealant1. Structural repairs are needed. Epoxy, properly mixed and installed, is stronger than the to which it is bonding. But as we warn above,...Use of Hydraulic Cement For Repairs in Concrete Slabs, Foundations, Or Masonry Block/Brick WallsHydraulic cement used for crack repairs is a waterproof cement product that is sold dry and mixed with water on the job to prepare a slurry that is...Questions and Answers About Sealing Floor Cracks in SlabsWe have had our home mitigated for radon. The latest reading is 2.9. Therefore, we feel we are controlling the radon successfully.We are in the pro...Ask A Question Or Search InspectAPediaUse the "Click to Show or Hide FAQs" link just above to see recently-posted questions, comments, replies, try the search box just below, or if you...

Should I Seal the Cracks On My Basement Concrete Floor?

Dec 11, 2018 · You can seal these cracks yourself by using an elastomeric caulking sealant made for use on interior surfaces (available at your local home improvement store). The shrinking can lead to cracks ranging in 1/8” wide or bigger. Just like the hairline crack these do not represent any structural issues to your house.

User rating: 5/5

How to Permanently Repair Cracks in Concrete Floors

Please follow these basic steps: Inject the CrackWeld resin into the crack to wet the surfaces and make them tacky. Push dry silica sand into the crack to fill it. Thoroughly saturate the sand with CrackWeld resin to fill it to the surface. In 10 to 15 minutes, scrape off the surface to make it ...

Why Repairing A Crack Should Never Be IgnoredCracks are the most common problem for indoor or outdoor slabs, basement floors, driveways, garage floors, patios, pool decks, sidewalks,...The Crackweld® Advantages For Repairing Cracks in Concrete Slabs1. NO ROUTING NEEDED –Eliminates the need of a cold chisel, or grinding disk. 2. FILL HAIRLINE CRACKS – Low viscosity, self levels. Needle nozzles...The Wrong Way to Repair Cracks in Concrete FloorsSelf-Leveling Polyurethane Caulk – Covering the crack with caulk is cheap and easy, but short-term. Water wicking through the or trapped w...For Contractors - Crackweld® Pro Floor Repair KitThe Complete Contractor Toolkit – The CrackWeld® PRO Concrete Floor Repair Kits are for contractors or homeowners with extensive slab cracks. The t...

Cracks in the Basement Floor? Here's What They Mean | Bob …

Consider these two preventative solutions: • Check that drain tile is installed around the exterior of the foundation to collect groundwater and direct it to a sump bucket, where it’s pumped away. • Grade your yard with a minimum 2 percent slope away from the foundation and installing guttering ...

How to Repair Concrete Cracks | how-tos | DIY


Caulking Concrete Cracks | Family Handyman

Seal cracks in with durable urethane caulk. It'll keep water out and protect your foundation and walks from further cracking and eroding. You can do it in less than a half hour. Cracks and gaps in are more than just an eyesore. Water can get into the joints, freeze and then expand ...

Author: The Family Handyman

Repairing & Sealing Cracks in Concrete | QUIKRETE: Cement ...

Cut the tip of the nozzle at an angle with a utility knife matching the width of the crack and insert the tube into a standard caulk gun. NOTE: for cracks or joints over ¼ inch, a Backer Rod should be placed in the crack before applying the sealant. Step 4c Move the nozzle slowly along the length of the crack, allowing the sealant to settle.

How to Put Down Flooring on a Cracked Concrete Slab | …

Dec 19, 2018 · Clean the surface, and apply a thinset compound to all of the low areas until the surface of the pad is smooth and level. Allow the thinset to completely dry before you seal …

How to Fill Small Cracks in Concrete - dummies

If the crack is wet, let it dry or use a hair dryer. Put the patch tube in a caulking gun. You can put a tube of patching compound into a caulk gun. Squeeze the patch into the crack. Be sure to follow the manufacturer’s directions when squeeze the patch into the crack. If the crack is deep, fill the crack …

What to Use to Stop Water From Seeping Up Through a ...

To seal up these cracks, use a patching compound, available from hardware and home improvement stores. These materials come pre-mixed or in -like form that must be mixed with water. Once the crack is clean, apply the patching compound with a putty knife or trowel and allow it to dry to create a water-resistant seal in otherwise damaged areas.

Fixing Cracks in Basement Floors | DoItYourself

Repair Cracks ASAP. If you find cracks in your basement , it’s important to repair them as …

Repairing Concrete Cracks Using Epoxy

Nov 24, 2019 · Cover the crack using an epoxy paste (can be applied using a putty knife) along the crack length that will dry in about 30 minutes. This paste needs to hold up during the pressure injection process. When the temperature changes, it might affect the seal and adhesion of the epoxy paste over the crack.

Best Concrete Crack Filler (2020): Reviews and Comparison ...

Jan 17, 2020 · Concrete crack sealants are specifically made to fill up and repair thin cracks up to half an inch. The consistency of crack sealants is such that it can be used only on horizontal surfaces such as patios, garage floors, driveways, etc. It’s typically sold in bottles with a pinpoint tip, which makes it easy to apply directly into the crack and doesn’t create a mess.

How to Repair Cracks in Concrete Floors

Tough as it is, tends to develop small cracks and chips. Minor problems like this generally do not indicate any structural problems that require resurfacing, but it is best to tend to cracks as soon as possible.Once a small crack or chip appears, future wear and tear will only cause it to expand.

How to Repair Wide Cracks in Concrete

Dec 27, 2018 · The secret to fixing wide cracks is to undercut the sides of the crack to give it an inverted "V" shape. This helps the repair material to "key" into the crack, creating a mechanical bond in addition to the chemical bond between the patch material and the .

Fixing Cracks in Concrete - This Old House

Each kit contains a two-part epoxy crack sealer, two 10-oz. tubes of Liquid Concrete Repair (LCR), a viscous epoxy that comes in a caulk-type cartridge, and seven plastic injection ports that deliver the LCR deep into the crack. There's enough material in each kit to repair a 1/16-in.-wide x 8-in.-deep x 8-ft.-long crack.

Cracks In a Concrete Garage Floor: When Are They Serious ...

Shrinkage cracks. When a garage floor is first poured, the begins to harden (contractors say cure) and when this process takes place the shrinks a little; a 20 foot square of freshly poured will shrink about a 1/8 of an inch in each direction.

Quikrete 1 Qt. Concrete Crack Sealant-864000 - The Home …


How To: Repair cracks in a garage floor before ...

Aug 03, 2011 · How To: Repair cracks in a garage floor before applying paint or epoxy. By Jeanne Huber. Jeanne Huber. Email Bio. August 3, 2011. Q. We have owned our home since it was constructed in 1984.

How to Repair Cracks in Poured Concrete Slabs

How to repair cracked floors or slabs Types of cracks that occur in slabs, shrinkage cracks, settlement cracks, frost heaves Causes and problems of floor slab cracking Slab on grade construction or patio home construction cracks Questions & answers about how to repair cracked or settled slabs, floors, or foundations

The Cheapest Way to Seal a Concrete Floor | Home Guides ...

Penetrating Concrete Floor Sealants Solving multiple problems that can arise with a floor, a penetrating sealant adds extra strength to the floor. As the sealant drips through the floor,...

Epoxy Floor Coatings: What about the Cracks? (Part 1)

Jan 16, 2014 · The crack repair materials used can vary, depending upon the width and depth of the cracks, as well as floor temperature, surface condition and porosity of the slab. The materials could be quick-set 2-part epoxy crack fillers designed to …

Basement Epoxy Coatings & Sealing Against Radon

Jan 22, 2015 · Sealing the basement floor can help reduce the amount of radon entering the home. But just sealing the cracks would be unlikely to reduce those amounts in the long term. Sealing all cracks and applying non-porous, thick epoxy coatings (over 10 MILS dry film thickness) would be a better step.

Basement Floor Sealer - Everything About Concrete

A deep penetrating silicate based sealer. Penetrating floor sealers work by being absorbed by the porous . The sealer penetrates deep below the surface (up to 4 inches) into the and chemically reacts with the , expanding and blocking all the pores and capillaries.

How to Repair a Cracked Concrete Driveway

If the slab is outdoors, such as a driveway, the cracks need to be sealed properly to keep water from seeping under the slab and eroding the soil, which can cause the to settle. To seal crack in a slab: Remove any debris or loose in the crack using a screwdriver, followed by a wire brush.

Concrete Floor Sealer, What Is The Best Sealer For Your ...

A penetrating floor sealer will be your best bet to protect and maintain your floor. These sealers penetrate deep into the 's pores coming into contact with the alkali and calcium ions, forming a gel. This gel expands filling the pores and hairline cracks inside the , turning the into a solid mass.

How to Make a Concrete Floor Patch

Concrete floor patching is your solution to minor cracks that are more about aesthetics, moisture intrusion, and insect infestation than about major structural integrity. Cracks make your basement look bad and they do not help your property's resale value. Rising water can find its way through cracks.

How to Make a Concrete Floor Patch

Rising water can find its way through cracks. Carpenter ants, termites, and even vermin can find their way through cracks. When you patch a cracked slab, your work will look like a patch. It will not blend it with the rest of the floor unless you paint and seal the .

Staining Cracked Concrete

A good sealer should seal these types of cracks in off after staining and these kinds of cracks will only add character to the slab. The hairline cracks in normally give an individual appearance to your , especially if you are planning on staining the floor.

DIY Concrete Crack Repair | Family Handyman

How to Repair Cracks in Concrete: Add the resurfacer Spread the resurfacer. Family Handyman. Pour resurfacing mixture into the crack and smooth it out with a rubber floor squeegee. Feather the edges to get the best appearance. Add water to the resurfacer mix to get the consistency of pancake batter for the crack filler.

How to Repair a Cracked Concrete Driveway

To seal crack in a slab: Remove any debris or loose in the crack using a screwdriver, followed by a wire brush. Use a broom or leaf blower to clean out the crack. Fill the crack with repair caulk, such as Polyurethane Concrete Crack Sealant... On cracks that are wider ...

Why Cracks in Basement Floors Can’t be Fixed by | U.S ...

Why Cracks in Basement Floors Can’t be Fixed by Urethane Injection Oct 30, 2012 • By Matthew Stock. So, your brother-in-law comes by to look at your leaky basement and points out that the water appears to be seeping out of a number of cracks in your basement floor .

Concrete Flooring Crack Repairs - The Concrete Network

How crack injection works A cost effective permanent fix for basement leaks. Low-Pressure Crack Injection (Basement Walls and Foundations) Do-it-yourself crack repair A kit for contractors and homeowners. Basic steps in the injection pocess Installing injection ports, sealing, epoxy vs. polyurethane, injection and port removal.

Hairline Crack in Concrete - Causes, Repair and Prevention

The ideal sealant must have low surface tension and low viscosity. These two characteristics allow the liquid sealer to penetrate deeply into the crack. Crack repair materials for are often polymer-modified cement grouts, silicone or latex caulking, or epoxies. Polymer-modified cement grout is the typical material used to fill pinholes and voids in during manufacture. If cracks occur before …

Don’t Seal the Gap Between Basement Wall and… | U.S ...

Sep 30, 2015 · Why Sealing the Gap between Wall and Floor Won’t Keep Out Water When a house is built, the construction begins with the foundation. After the excavation is made to the depth of the basement, the foundation footings are built of poured .

Sikaflex 10.1 oz. Gray Crack Flex Sealant-427706 - The ...

Sikaflex Crack Flex Sealant is a one part, polyurethane sealant for permanently repairing cracks in horizontal surfaces. It can be used in cracks up to 1 in. wide and provides long term durability. Its elastic technology formulation allows the sealant to remain flexible and move with the crack.

Price: $8.45

Crack Injection: Epoxies Versus Polyurethanes - The ...

The main advantage of epoxies is their amazing compressive strength, which at 12,000 psi or greater exceeds that of most . That's why epoxies are the only choice for cracks requiring structural repair. However, epoxies cure very slowly, generally taking hours to harden.

How to Seal or Repair Cracks in Concrete Floors & Walls ...

Sep 26, 2018 · Stop a water leak: Seal and repair cracks in when it is important to quickly stop water leaking through a crack,seal those cracks in using injection of either epoxy resin or polyurethane sealant.

How to Seal Concrete - Lowe's

Any cracks or pitting will need to be filled in before applying the sealer. Apply the repair sealant to the affected area and smooth over with a putty knife. …

How to Clean & Seal a Concrete Basement Floor | Hunker

Aug 30, 2019 · Sealing Concrete Floors. There are many types of sealant to choose from or you may decide to use basement floor paint for a pop of color. After the floor is completely dry from cleaning and all repairs have been made and allowed to dry, apply the sealant with a long-handled roller.

Cracks in Concrete | What You Need To Know About Concrete ...

Cracks in Concrete Flooring. Sometimes cracks occur in your subflooring unrelated to your foundation or the general structure of your home. Often, these cracks are noticed when the floor above the slab becomes damaged by the uneven . Usually the damage of both floors is caused by the presence of water.

Do I Need to Repair Cracks in Concrete Before Laying ...

Remove all dust and debris from the crack with a wet/dry vacuum or a can of condensed air. The final preparation step is to paint the crack, as well as the surface surrounding the crack extending 1 inch in all directions, with bonding compound, which will help the patching material stick in place.

Author: eHow

Properly Sealing Cracks Before Applying Epoxy Floor Coating

Dec 12, 2016 · Properly Sealing Cracks Before Applying Epoxy Floor Coating Before applying any Epoxy floor coating, it’s important to properly assess the and repair any damage, including sealing cracks. This will help the Epoxy coating to properly cure and not bubble or peel with time.

Sealing and Waterproofing Cracks in Concrete | QUIKRETE ...

Sealing and Waterproofing Cracks in Concrete. Over time and exposure to the elements exterior can develop cracks due to temperature changes, ground movement, improperly placed joints and excessive loads. Once a crack develops it is important to seal the crack from water to prevent further deterioration.

Do You Need to Seal Concrete Before Tiling Over It? | eHow

After laying all the tile over the surface of the slab, allow the tile to rest for 24 hours before finishing the tile. Use grout to fill in the cracks between the tiles.

Author: eHow

How to Seal a Basement Floor | DoItYourself

If you find holes or cracks that are too large to fill with the patching compound, use wet or mesh to fill them. When the has cured, spread the patching compound over the new and let it dry overnight. Step 3 - Apply the Sealer. When the floor is prepped and dry, it’s time to apply the sealer.


Nov 21, 2013 · In repairing thousands of homeowners and business owners’ foundations across New England, we have come across many failed repairs with a product called Flex Seal.I obtained a can of this product from a disgruntled homeowner, and from the can’s label, this product claims to be a “rubberized leak sealer” used on “foundations, basements, chimneys, and downspouts” to name a few.

How to Prevent Cracks in Concrete? Causes & Repairs of ...

The American Concrete Institute as per ACI 302.1-04 addresses this issue, even the best construction & concreting cannot prevent cracking in , and 0% cracks is an unrealistic thing. Causes of Cracks in Concrete. Causes of cracks in can be many summarized as: Concrete expands and shrinks due to temperature differences

Main Reasons for Cracks in Concrete Floor and How to Deal ...

Dec 27, 2018 · If the stress becomes unbearable for the now-hardened , cracks begin to develop to relieve tension. 3) Concrete slab dried up too quickly. Rapid drying of the slab is another factor that causes the development of cracks on a garage floor. There are two types of cracks under this cause: crazing cracks and crusting cracks.

#1 Concrete Sealer - Radon Mitigation and Waterproofing

The Permanent Concrete Sealer. RadonSeal sealer works by being absrobed by porous , penetrating internally, deep below the surface (up to 4") where it chemically reacts with free lime and alkali (Portland Cement). As RadonSeal continuously reacts, it begins to cure and harden as a silicate mineral, expanding and sealing the pores of .

Basement Waterproofing Dos and Don’ts by Flex Seal

Use a drop cloth on the floor first, for easier clean up. Pour the Flex Seal Liquid into any larger cracks, then you can use a roller or brush to cover larger areas.   Be sure to apply several coats and cover the area as much as you can. For best results, allow 24 hours for each coat to dry.

CrackWeld PRO Concrete Floor Repair Kit – Seal Cracks in …

CrackWeld Pro floor and crack sealant is a highly effective product in sealing basement floor cracks. The product was very easy to use, with clear instructions for use. Also, the product required little time to apply and the clean up was easy.

Reviews: 8

Garage Floor: How to Seal Metal to Concrete - CR4 ...

May 18, 2009 · Re: Garage Floor: How to Seal Metal to Concrete 05/15/2009 11:39 AM Its difficult to get any polimer/caulk to stick if ther is any contaminant on the surface, as a last resort have you ever heard of chinking, a very old method of sealing boats and log cabins, you can use the old materials, but i would try this old method with new materials ...

Gripset Betta 1L Concrete Crack Filler | Bunnings Warehouse

Gripset Betta Concrete Crack Filler is a unique solvent free crack sealer designed to protect cracks and joints in pavements against water ingress and the breakdown of pavement surfaces. Gripset Betta Concrete Crack Filler is a waterproof sealer that penetrates into the depth of the crack, filling the void and sealing against moisture and water vapours.

Prepping a Concrete Subfloor for Hardwood or Laminate Flooring

If you have a subfloor that consists of wood on top of , you’ll need to test both floors. Structurally Sound. The subfloor must be sufficiently strong to safely support the flooring, furniture, and people in the room. Check for cracks and crumbling.

Ghostshield Concrete Sealers // Water, Oil & Salt ...

Ghostshield is a premium brand sealer — featuring specialty water, oil and road salt resistant sealers, densifiers and epoxy coatings. Higher-actives formulas, easy application, and deeper penetration make the Ghostshield brand of sealer one of the best …

How to Seal Concrete Before Installing Carpet | Sealing ...

How to Seal Concrete Floor Before Installing Your Carpet. In order to determine what sealer to use it is best to perform a calcium chloride test to determine the moisture vapor emission rate (MVER) of a slab.. If a high amount of moisture is present in the (over 3 lb according to a calcium chloride test) it is best to use a moisture vapor barrier coating.