Your Trusted 24/7 Service Provider!

sitemap

product list

concrete poured and no control joints cut - too late now

concrete poured and no control joints cut - too late now

Jul 13, 2019 · Do they abut other masonry, if so they should have expansion joints. I wouldn’t hesitate to cut control joints in the long one. Should be 1/4 as deep as the thickness of the slab. Ease the edges and fill with self leveling joint sealer. Idealy that long one should have alternating control and expansion joints

weststandard | saw cut joint vs tool joint exposed concrete

weststandard | saw cut joint vs tool joint exposed concrete

Jan 15, 2016 · Saw Cut Joint vs Tool Joint for Modern Exposed Concrete Floors. Concrete Cracks may occur as a result of product shrinkage during the drying process, or as a result of thermal expansion and contraction. Control joints also called contraction joints are placed in concrete slabs to control this cracking. Properly placed joints will concentrate cracking along the joint line, and reduce the potential …

control joints in concrete - when to cut & spacing - the

control joints in concrete - when to cut & spacing - the

May 08, 2020 · These saws cut 1" to 3" deep, depending on the model. CONTROL JOINT SPACING. Space joints (in feet) no more than 2-3 times the slab thickness (in inches). A 4" slab should have joints 8-12 feet apart. MORE JOINTING TIPS. Cut joints deep enough Cut joints 25% of the depth of the slab. A 4" thick slab should have joints 1" deep. How to cut joints Groover tools cut joints in fresh concrete. Saw …

how long can you wait to saw cut concrete?

how long can you wait to saw cut concrete?

Jan 13, 2020 · WHEN TO SAW CONTROL JOINTS Cutting freshly poured concrete too late can lead to unwanted cracks in the concrete, rendering the joints ineffective. For most concrete work, cutting should take place within the first 6 to 18 hours and never beyond 24 hours. How much does it cost to saw cut concrete? Minimum cost will be $250

difference between contraction, construction and expansion

difference between contraction, construction and expansion

Basically, control joint is the action of making a saw cut groove and weaken the slab where we think the crack may occur due to shrinkage (Mostly at the middle of the slab). Refer the diagram. This way the cracks developed under the slab find its way at the weak point (the point we have grooved) and avoid spreading all over the slab

joint sealant removal blade - slices through expansion

joint sealant removal blade - slices through expansion

May 04, 2020 · Harden stellite cutters slices along the inside edge of concrete and masonry expansion joints without having to go back with a wire brush to clean a straight edge: As the blade slices along the joint’s inside edge, the sealant is COMPLETELY SCRAPED CLEAN with one pass of the blade

expansion joints, stamped concrete and cracking

expansion joints, stamped concrete and cracking

Jan 17, 2013 · Stamped Concrete and Expansion Joints In an effort to reduce both overnight cracking and the look of an artificial saw cut, placement of the expansion joints with a deep center edger during the finishing process addresses both. Center grooving the expansions during finishing and stamping over them gives the concrete an immediate expansion joint

how many days should i wait after a pour for cutting concrete?

how many days should i wait after a pour for cutting concrete?

The timing varies according to local conditions, but typically saw cuts can be done 4 to 12 hours after the concrete has been finished. In hot weather early-entry dry-cut joints are cut 1 to 4 hours after finishing; they're not cut as deeply as conventional cuts

how to install expansion joints in a concrete driveway

how to install expansion joints in a concrete driveway

Dec 12, 2009 · Use A Concrete Saw If you need to add an expansion joint to a driveway after it has been poured and has cured, you can use a cement saw to cut the joint. First, snap a chalk line across your driveway slab and follow this line as you cut

control joints, expansion joints and cold joints in concrete

control joints, expansion joints and cold joints in concrete

Control joints are generally placed into the concrete during the finishing process or within 24 hours of being poured. Saw cutting the slab in a pattern (usually just after the concrete has hardened a little) Putting in plastic control joints by hand as they’re pouring the concrete

concrete saw cutting: what, when, where, and how to make it

concrete saw cutting: what, when, where, and how to make it

When concrete is poured, it is very important to cut expansion joints in the concrete. By cutting control joints in the concrete you can better control the random cracking that inevitably occurs in concrete slabs soon after the concrete is poured and set. Concrete saw cutting can be a hard task, but cutting expansion joints can be harder still

when should you cut control joints in concrete?

when should you cut control joints in concrete?

May 30, 2020 · Saw cutting cuts joints as soon as the concrete is hard enough that the edges abutting the cut don't chip from the saw blade.Cutting joints soon enough. In hot weather, concrete might crack if joints are not cut within 6-12 hours after finishing concrete

when to saw control joints| concrete construction magazine

when to saw control joints| concrete construction magazine

Dec 01, 1995 · Because of variations in weather and mix designs, the time to saw joints after concrete has been finished varies from around four hours in hot weather to as long as three days in cold weather. Engineers don't specify a time to saw joints because they don't know what time of year the concrete will be placed or even what time of day the contractor will decide to place the concrete

how to repair concrete expansion joints | pro tool reviews

how to repair concrete expansion joints | pro tool reviews

Apr 09, 2021 · Step 1: Sawing and Cleaning Out the Joints. To remove the old concrete expansion joint filler, we started with the US Saws Dust Buggy Mark III. This saw takes an 8″ diamond blade that cuts up to 2″ deep. We only needed to cut down 1″ and the 1/4″ wide blade we used was able to clear the joint in …

how to master control, contraction & concrete expansion joints

how to master control, contraction & concrete expansion joints

Sep 11, 2019 · H ow to make the control joint cuts. The quarter thickness cuts in the slab can be made in freshly poured concrete using a grooving tool. However, a concrete saw can be used when the concrete is hard enough that is won’t disturb the concrete surface, usually after 6 hours

rules for designing contraction joints | for construction pros

rules for designing contraction joints | for construction pros

May 12, 2020 · Early-entry dry-cut saws allow the installation of the contraction joints before the concrete starts to cool and before shrinkage stresses become too large or exceed the tensile capacity of the

when to cut control joints in concrete slab? - concrete

when to cut control joints in concrete slab? - concrete

Sep 29, 2005 · As it turned out, the concrete contractor assigned the crew to a morning pour in a different town. The foreman, having given me the advice about the control joints, felt guilty about showing up late. He arrived at noon, roughly 24 hours after the pour, and went right to work. They cut 5 control joints

contraction joints in concrete slabs - the concrete network

contraction joints in concrete slabs - the concrete network

Contraction joints are formed by saw cutting, by tooling a joint with a grooving tool, or by inserting a plastic strip into the concrete during finishing (zip-strip). Proper timing and depth of cut are essential. If you wait too long, the slab will crack where it wants to rather than where you want it to

joint sealing - texas cutting and

joint sealing - texas cutting and

We specialize in expansion and control joint sealing. Contact us today to see how we can help you with your concrete sealing needs! For an estimate on your concrete sealing project, click the Request a Quote button at the top of the page. To learn more about the cutting of control joints, visit out Early Entry Joint Saw Cutting page

filling the joint | concrete decor

filling the joint | concrete decor

Oct 06, 2010 · Start by checking your slab for movement at saw cuts or joints. If the joints are moving with the contraction of the concrete, they are considered “working” or moving joints. If the cuts or joints are working, using a grout is not recommended. If they are not working then grouting may work out fine

placing joints in concrete flatwork- why, how, and when

placing joints in concrete flatwork- why, how, and when

Timing is very important. Joints should be sawed as soon as the concrete will withstand the energy of sawing without raveling or dislodging aggregate particles. For most concrete mixtures, this means sawing should be completed within the first six to 18 hours and never delayed more than 24 hours

Related

Get in Touch

Need more additional information or queries? We are here to help. Please fill in the form below to get in touch.

I accept the Data Protection Declaration