Zip Strip offers an ideal solution to controlling cracks in concrete. It is a rigid preformed contraction joint that produces a straight-line crack on the surface of concrete slabs and locks into the aggregate just below the surface. Zip Strip is strong, economical, and eliminates waste in providing straight lines.
What are zip strips used for in concrete?
Zip-strips are plastic strips embedded into the concrete to create the plane of weaknesses needed to guide the cracks.
What is the best concrete joint filler?
Our Top Picks
- Best Overall. Sikaflex Self-Leveling Sealant.
- Best Bang for the Buck. Sashco 16210 Slab Concrete Crack Repair Sealant.
- Best for Foundations. RadonSeal Concrete Foundation Crack Repair Kit.
- Best for Large Cracks. Red Devil 0644 Pre-Mixed Concrete Patch.
- Best for Thin Cracks.
- Best Sealant.
- Best Cure Time.
- Best Epoxy.
Should you caulk concrete expansion joints?
Caulking Concrete Cracks and Expansion Joints Even expansion joints in your concrete driveway should be caulked. Notice how the caulking is slightly lower than the concrete slab around it. This protects the caulk from wear and tear of people walking and driving over it.
How do you fill the gap between two concrete slabs?
Dig a 4-inch wide trench along the sides of the slabs from the crack or gap closest to the house all the way down to the street or sidewalk. This trench should be a deep as the slabs are thick. Fill the trenches on either side of the driveway with small, rounded pea gravel (the size of marbles or peas).
What is the best concrete expansion joint material?
Sikaflex can be used to seal horizontal expansion joints. It’s a great product because it remains permanently flexible, dries quickly, sticks to anything, is self-leveling, and highly resistant to weather conditions. You should apply Sikaflex when the temperature is between 40F-100F.
What is concrete stripping?
Chemical Concrete Stripping “We strip chemically whenever we don’t want to change the concrete surface, say for an acid-stain project,” Jagger says. Chemical stripping is by far the most common method of removing a sealer to prepare concrete for resealing or refinishing.
What material is used for expansion joints in concrete?
Expansion joints are used to allow the slab to move and not put stress on whatever it abuts. These joint are placed where a slab meets a building, where a slab meets another slab, and where a pool deck meets the coping. A pliable material is used (asphalt coated, cork, plastic) to construct these types of joints.
What is the black stuff between concrete slabs?
An expansion joint is a material placed in the cracks (or joints) between concrete slabs to protect the slabs from cracking when they contract and expand as the temperature changes. This material acts as a shock absorber, absorbing the stress from the slab’s movement.
Is Sakrete concrete crack filler paintable?
Sakrete Concrete Repair is a siliconized acrylic latex for filling cracks in concrete. FEATURES: Weather resistant – fills and seals cracks. Paintable after curing.