Prestressed concrete lintels are incredibly strong because they are made by casting the concrete around high tensile stretched wires that are anchored into the concrete. ... Cutting or minor trimmings at the ends are okay and should not cause any problems but cutting near the centre can affect the lintel's load capacity.

Is it OK to cut a concrete lintel?

Prestressed concrete Lintels may be cut using a high speed diamond cutting disc. ... Under no circumstances should the Ultra-Fire Range of Lintels be cut down in size.

Can lintels be cut?

HJ is right, all lintels do in general is support the triangle of brickwork above the opening during construction. Unless there is a point load lintels could easily be removed after brickwork has gone off with no affect on the structural intergrity.

Can you cut concrete beams?

While I have never had to cut a Beam & Block floor beam, I have cut many a number of Pre-stressed concrete Lintels without encountering any problems. In fact the cut lengths are actually stronger than what they were originally designed for.

How do you cut reinforced concrete?

To cut through reinforced steel concrete, you will need to use the right tools and diamond blades are the best choice. Diamond blades are designed specifically for cutting very hard materials, and steel most definitely fits the bill in this regard.

How To Cut A Concrete Lintels

32 related questions found

Can you cut beam and block?

Yes you can go through a beam and block floor by taking out blocks but cutting beams is a whole new can of worms. Be fun digging a pad through a narrow gap but not impossible. Brick pier will have to sit on something.

Can precast concrete be cut?

Can a precast hollow-core concrete floor be cut? ... A: This type of floor can be cut, but you are wise to check into things before doing so. The best approach would be to contact the producer who supplied the floor for guidance.

How do you cut a 4 inch concrete slab?

Use a standard circular saw, equipped with a corundum or diamond blade, for small tasks. For slabs, it's best to cut through the top inch, then use a sledgehammer to break off the rest. The jagged edge left below the cutting line provides a good rough edge for the new concrete to bond to.

Can you make your own concrete lintel?

Despite what has been said it is quite feasible to do your own concrete lintel as it's basically a reinforced concrete beam that isn't prestressed. Having said that because lintels are prestressed they can be made smaller in size whilst giving you the same strength.

What size concrete lintels can you get?

Concrete lintels are available in a range of lengths including: 600mm, 900mm, 1200mm, 1350mm, 1500mm and 1800mm.

Can you cut concrete sleepers to size?

The best way to cut concrete sleepers is by using a special concrete saw with a wet-cutting diamond blade. ... Wet-cutting diamond blades can have either teeth or a smooth, continuous perimeter, and they cut faster and with a cleaner result than other methods such as dry cutting or angle grinding.

How do you cut a house beam?

Cut through each of the four marked sides of the beam, directly across the lines, with the circular saw. Cut entirely through a face, flip the beam, cut the adjacent face and repeat until the waste portion of the beam severs from the rest.

What is a beam saw?

What Are Beam Saws? These saws have a large blade used to cut different sized logs into beams. Often using circular blades which are available in a variety of different styles, beam saws are useful for a range of different jobs.

What is the maximum length of a concrete beam?

Generally reinforced concrete becomes not economic with spans bigger than 10m. For bigger spans you use prestressed concrete and you can reach up to 150m span. Longer spans are generally done with composite steel concrete or only steel structures.

How long can block and beam span?

Under normal residential loading, the 155mm House Beam can span up to 7 metres while the 225mm Deep Beam can span up to 8 metres.

How much do concrete beams weigh?

120mm x 155mm x 4200mm Prestressed standard concrete floor beam with a section weight of 34 kg/m. Standard floor beams primary use is for residential and housing construction.

Can you cut cement board with a utility knife?

A carbide-tipped scoring knife is recommended, but you can also use a utility knife or shears. Never use a high-speed grinder to cut cement board indoors, since this can create a dust hazard.

What is the best way to cut cement backer board?

Score-and-Snap

The simplest way to cut cement backer board is to score the surface and snap the sheet along the scored line, similar to the way you'd cut drywall. In fact, you can use a drywall utility knife to score backer board, but a better option is a carbide-tipped scoring tool.