Guide to select and use concrete spacers

Concrete spacers (Concrete rebar support) are a construction accessories material help maintain material integrity and uniformity of the concrete, and provide a cover over the reinforcement that protects against corrosion.

Standard of using Ngoc Lam Sai Gon concrete spacers as below:

1. Single Cover Concrete Spacers

Single Cover Concrete Spacers are manufactured for 1 size with high strength, and are as strong as the surrounding concrete. They have a wide base for maximum stability when used as recommended for horizontal applications such as slab, foundation…

No	Product Code	Protected height	Pcs/Box
1	NLSG-50W	50mm	50
2	NLSG-75W	75mm	36

 

2. Double Cover Concrete Spacers

Double Cover Concrete Spacers are manufactured for double size with high strength, and are as strong as the surrounding concrete. They are designed for use in both horizontal and vertical applications with the flat base providing additional support and stability where there is a greater weight of reinforcement such as: slab, column, beam, wall, foundation.

No	Product Code	Protected height	Pcs/Box
1	NLSG-15/20	15 mm 20 mm	378
2	NLSG-25/30	25 mm 30 mm	324
3	NLSG-25/30W	25 mm 30 mm	175
4	NLSG-85/95	85 mm 95 mm	32

 

3. Triple/Quadruple Cover Concrete Spacers

Triple Cover Concrete Spacers are manufactured for triple size, and are as strong as the surrounding concrete. They are recommended for use in vertical applications and the design allows excellent concrete flow and minimises the area of spacer at the surface. They are strong, durable, and the optimum choice for heavy-duty steel fixing applications.

No	Product Code	Protected height	Pcs/Box
1	NLSG-30/35/40	30 mm 35 mm 40 mm	150
2	NLSG-35/40/45/50	35mm 40mm 45mm 50mm	100
3	NLSG-45/55/60	45mm 55mm 60mm	75
4	NLSG-70/80	55mm 60mm 70mm 80mm	60