Masonry walls whether built of stone brick or cement all absorb moisture and react to stresses due to their weight and age.
How to keep posters from falling off concrete block wall.
The wall certainly looks unstable and ready to be taken down but a lot of concrete walls can look terrible but still be structurally sound.
Break the concrete wall into small chunks with your preferred tool and let the debris fall to the ground as you work.
Concrete block walls cinder block walls painted brick walls cement walls concrete wall classroom walls classroom posters school classroom math classroom decorations.
And it just peels off my classroom s paint.
Ignore any rebar you come across and just break the concrete free of the metal.
No holes in my poster no sticky residue.
The easiest step to remove efflorescence is to wash the wall and scrub the area to see if the stains go away.
Wow there is n.
Put down a base of making tape.
When inferior or inappropriate.
If you are a student or teacher you may be discouraged after hanging the same poster board 15 times only to find it on the floor the next day.
The interior paint is getting blown off the walls by moisture and the exterior is peeling in a number of areas.
If you use a laminated poster it just peels right off when you want to take it down.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
You will need to use only clear water to avoid worsening the situation.
This will keep your posters from constantly falling off your cement block walls.
The sooner the better as time will be against you if you are trying to remove these stains.
The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line.
Damage free adhesive picture hangers come in a range of styles and sizes.
We owned a house with a concrete block wall reinforced with rebar that had perhaps a 10 degree lean outwards that looked like it d fall any day but it took a lot of sledge hammering chiseling jacking.
How to fix a peeling masonry wall.
I ve already told them that i think they need to have the roof checked i suspect the moisture is coming in from the top but beyond that i m looking to pick people s brains about the best way to approach recoating the exterior.
I think you d need to test your particular walls though.
Dorm rooms and classrooms are well known for having concrete walls that refuse to hold tape when you re trying to hang a poster.