concrete wall crack repair
A crack in your home's concrete walls can present a health hazard to your family.Cracks allow
moisture enter the home, promoting the growth of mold and mildew,a crack in a basement wall can allow radon gas enter into your home. how to permanently repair concrete wall crack? Here,we will show you a simple, effective way to repair cracks in concrete wall.
To repair concrete wall crack, we suggest you use TL-01 type concrete repair material.
Technical specification of concrete wall crack repair:
Inspection items | Unit | Technical requirement | Inspection result | Individual conclusion | |
Setting time | Initial setting | Min | ≥20 | 25 | Meet requirement |
Final setting | ≤60 | 50 | |||
Compressive strength | 4h | Mpa | ≥20 | 33.0 | Meet requirement |
1d | ≥30 | 42.1 | |||
28d | ≥50 | 72.5 | |||
Pull strength | 28d | Mpa | ≥2.0 | 2.7 | Meet requirement |
Expansion rate | 28d | / | 0.0%-0.1% | 0.02% | Meet requirement |
Advantage of TL-01 type concrete repair material repair concrete wall cracks:
1.Easily modulate, just need add water and stir.
2.Simple construction, can operate by nasonry tool such as scraper and ash knife etc
3.Strong coating adhesion, High compressive strength, Anti-freeze thawing, resistance to sulfate corrosion, non-toxic, non-corrosive.
4.Better sagging resistance, suitable for facade and superface operation.
5.Have protective property to steel bar, good durability, also have compact better waterproof anti-permeability.
6.Can be used in damp base course and damp environment as first-aid repair materials.
7.This product is basically the same with thermal expansion and contraction stress of concrete, solve the defect that traditional epoxy mortar make basic concrete crack.
Concrete wall crack repair instructions:
1.Surface treatment
1)Seep away sundries such as base course all the loose concrete, dust, oil stain, saltpetering, contaminant etc. If repaired structure has already exposed steel bar.it need clean all the rust on the steel bar, and all the loose concrete.
2)Wetting the repaired structure surface, make it reach the state of saturation but don't flow.
2.Preparing material
TL-01 waterproof type repair mortar mix with about 18% clean water,
mechanical stirring 3 mins, stop 3 mins, then stir 3 mins, until stir evenly.
3.Construction
1)Use brush coat a layer just tuned repair mortar on processed completed base surface.
2)Immediately use trowel forcibly scrap repair mortar on new painted still wet repair mortar coating, and scrape it flat,Each layer thickness can't more than 25mm, construction layer by layer,finally repair flatly by trowel.
4.Dosage
Per ton TL-01 waterproof type structure repair mortar can repair 0.5 cubic meters space.
5.Curing
Under normal circumstances, spray water curing 24 hours, in hot, dry and windy climate conditions, it should cover repair surface to curing, in colder weather, use 40 degrees warm water to stir, then keep warm and curing.
If your concrete wall is still cracked, pls contact us today to find out how we can save your time and money, quality guaranteed.
