Can you saw cut post tension slab?
Surfaces can be stained or overlaid. The only concern is to always remember not to cut or drill into post-tensioned concrete slabs, since once a tendon has been cut, it is very difficult to repair.
What happens if you cut a post tension slab?
Cutting a tensioned cable, or tendon, can endanger the contractor and compromise the structural integrity of the slab. Building professionals frequently use ground-penetrating radar (GPR) to locate cables within concrete slabs and reinforce the slab during and after cutting operations.
How do I know if my slab is post tension?
Most homes that have post tension slabs have a sign that is stamped into a concrete garage floor, often near the edge of the garage door right in plain sight. Older homes with post tension slabs may have a plastic or paper sign fastened to the wall.
What is the benefit of post tension slab?
It reduces or eliminates shrinkage cracking-therefore no joints, or fewer joints, are needed. Cracks that do form are held tightly together. It allows slabs and other structural members to be thinner. It allows us to build slabs on expansive or soft soils.
Can you jackhammer a post tension slab?
As post-tension slabs continue to be poured across the country, plumbers are learning more about how to work around the cables confidently and safely. The proverbial bottom line is tread lightly. Even if you get a clear reading on what’s underneath, take your time with that jackhammer.
Can a post tension slab be repaired?
Post-Tension Foundation slabs can be efficiently repaired and retro-fitted. While most of our calls are after someone has already broken a PT cable, we can help eliminate major damage to the slab and tendons with locating tendons and a review of the repair conditions, prior to cutting into the PT slab.
What year did post tension slabs start?
The first post-tensioning in U.S. building construction was in the mid- to late 1950s in buildings using the lift- slab construction method.
Does post-tensioned concrete crack?
Top: Post-tensioning tendons are draped within the slab cross section. Bottom: Significant over-balancing of the weight of the concrete with post-tensioning can actually lift and crack the slab.
Can you drill a hole in a post tension slab?
Post-tension slab drilling, cutting, and coring can be incredibly dangerous. Not only is there a risk of structural collapse, but you also risk severe injury and death. It’s definitely NOT something you want to play around with.