Hang a heavy duty wall liner directly over the concrete.
How to stick posters to concrete walls.
2 lay the poster or posters flat printed side up on a clean surface.
Choose an adhesive that suits your needs and hang the posters so they re even.
Even if you are not using vapor barriers and are trying to attach objects to individual blocks instead of an entire wall seam tape is still a good bet for strong adherence.
Dorm rooms and classrooms are well known for having concrete walls that refuse to hold tape when you re trying to hang a poster.
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If you don t have rubbing alcohol you can use some warm soapy water to clean the wall.
Painted concrete walls can be a pain to hang posters from but it s not impossible.
That way when you want to change out displays all you have to do is peel off the tape.
This will ensure that the adhesive will stick firmly to the wall.
Rub the spot dry after cleaning.
A low temperature hot glue gun is a great tool for getting posters banners trimmers and other classroom decorations to stick to the cinder block walls.
At the end of the year the glue pulls off easily from the wall and does not do any damage simply peel the glue back slowly from the wall when you want to take something down.
Clean hands make for less residue when you remove the poster from the tube.
For those of you who asked how to put your babies on your wall.
Cut the liner in strips according to the dimensions of your wall.
Make sure the surface is clean so dirt and grime don t affect how well the posters stick to the wall.
Use a clean rag or paper towel and some rubbing alcohol to scrub the area of any debris.
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.
Clean the wall with rubbing alcohol for a better hold.
The liner will protect your wallpaper from the texture of the concrete.
Weigh them down at the corners for a few hours or a day.
Seam tape is used to put up vapor barriers on concrete walls.