Portland Cement | McMaster-Carr

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Calcium Sulfate (Gypsum)

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Calcium Sulfate (Gypsum)

Cement

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8 Products

Concrete Surface Fillers

Cement

Bag

Fill in and shape horizontal, vertical, and overhead concrete surfaces, such as steps and columns.

Cement—Mix cement surface fillers with water. They can be used to fill holes up to 7" deep. These quick-setting fillers are ready for foot traffic in just 30 minutes. Application time, after mixing, is 7 minutes.

	Container
	Net Wt., lb.	Type	Begins to Harden, min.	Reaches Full Strength, hr.	Consistency	Mixing Req.	Mix Ratio	Contains Aggregate	Approx. Coverage @ Thk.	Max. Thk.	For Use Outdoors	Application Temp. Range, ° F	Color	Process After Hardening	For Use On		Each
Cement Surface Fillers



		3	Bag	7	24	Putty	Yes	4:1	Yes	1 1/2 ft² @ 1/4"	7"	Yes	50 to 100	Gray	Drill, Sand	Concrete, Masonry, Stone	6230T3	000000

Concrete Patching Compounds

Patch concrete floors and stairs with these compounds.

Calcium Sulfate (Gypsum)—Mix calcium sulfate (gypsum) compounds with water. They can also be used to anchor bolts, railings, and posts. When used outdoors, apply a sealer (not included) for best results.

	Container
	Net Wt., lb.	Type	Begins to Harden, min.	Reaches Full Strength, min.	Consistency	Mixing Req.	Mix Ratio	Contains Aggregate	Approx. Coverage @ Thk.	Max. Thk.	For Use Outdoors	Application Temp. Range, ° F	For Use On	Color		Each
Calcium Sulfate (Gypsum) Surface Fillers



		5	Box	15	60	Powder	Yes	3.5:1	No	2 1/2 ft² @ 1/4"	Not Rated	Yes	25 to 100	Concrete	Gray	7569T92	000000


		10	Pail	15	60	Powder	Yes	3.5:1	No	5 ft² @ 1/4"	Not Rated	Yes	25 to 100	Concrete	Gray	7569T97	00000
		25	Box	15	60	Powder	Yes	3.5:1	No	13 ft² @ 1/4"	Not Rated	Yes	25 to 100	Concrete	Gray	7569T93	00000
		50	Pail	15	60	Powder	Yes	3.5:1	No	26 ft² @ 1/4"	Not Rated	Yes	25 to 100	Concrete	Gray	7569T94	00000

Leak-Stopping Concrete Crack Fillers

Cement

Pail

Stop slow-flowing and weeping leaks in concrete. These crack fillers begin to harden in three to five minutes to create a permanent fix that won't shrink.

Cement—To use cement fillers, mix with water.

	Container
	Net Wt., lb.	Type	Begins to Harden, min.	Reaches Full Strength, day	Consistency	Mixing Req.	Mix Ratio	For Max. Crack Wd.	Contains Aggregate	Approx. Linear Coverage @ Thk.	Max. Thk.	For Use Outdoors	Application Temp. Range, ° F	Color	For Use On		Each
Cement Surface Fillers



		10	Pail	5	28	Powder	Yes	3:1	1"	No	6 1/2 ft. @ 1/2"	1"	Yes	40 to 95	Gray	Concrete, Masonry, Stone	7685T31	000000


		50	Pail	5	28	Powder	Yes	3:1	1"	No	33 ft. @ 1/2"	1"	Yes	40 to 95	Gray	Concrete, Masonry, Stone	7685T111	000000

Concrete Leveling Compounds

Give new life to damaged and worn concrete floors. These leveling compounds also fill minor depressions and cracks. Apply with a trowel.

Cement—Cement compounds are ready for foot traffic in 3 to 4 hours. Add water and mix before applying.

	Container											Application
	Net Wt., lb.	Type	Begins to Harden, min.	Reaches Full Strength, hr.	Consistency	Mixing Req.	Mix Ratio	Contains Aggregate	Approx. Coverage @ Thk.	Max. Thk.	For Use Outdoors	Temp. Range, ° F	Time After Mixing, min.	Process After Hardening	For Use On	Color		Each
Cement Surface Fillers



		50	Pail	20	24	Putty	Yes	5:1	Yes	50 ft² @ 1/8"	1 1/2"	Yes	40 to 90	0 to 10	Drill, Sand, Saw, Tap	Concrete	Gray	7576T7	000000