Hi folks, I'm trying to figure out the best way to install sintra letters to a wall that was covered with a textured paint. I installed once with double sided foam tape and that seemed to work well, i thought. The lettering held for about 12 hours and then a few fell. While installing the letters I seemed to get good adhesion. I tested each letter before i left the job and they weren't budging at all but apparently the tape began lifting from the wall surface. I guess i need a glue or silcon adhesive of some kind, but now have to worry about that adhesive lifting from the sintra letters. From others I've talked to finding adhesive for sintra is hit or miss and i can't afford to miss again, from a financial standpoint and also in the eyes of this customer. If anyone has had great success with a certain product I would love to hear from you.
Good Luck!
Posted by John Rodgers (Member # 4118) on :
thanks steve, but i had already checked that site out and it is rather ambiguous about what to do with plastics. i appreciate the reply. Tell tony I said 'hey'. haven't seen him in a long time.
Still looking for suggestions
Posted by jimmy chatham (Member # 525) on :
if it is inside you can heat strait pins & melt them into the sintra & use silicone in addition to the pins the pins will push into the sheetrock while the silicon sets up.
hope this helps
Posted by Rick Chavez (Member # 2146) on :
How big are the letters and how thick is the sintra? Jimmy prety much answered it, but if the sintra letters are too thin, dark colored and it's outside, in direct sunlight, you will have problems no matter what you do.
Rick
Posted by ScooterX (Member # 2023) on :
I've had good results using 100% Silicone Adhesive. You can use the foam tape at the same time, too. The tape holds the letter in place white the silicone sets up.
Posted by Robert Beverly (Member # 1907) on :
John
We do not use silicone on any installations.
We use a product called e6000. I beleive the uv equivalent is e8000. We have used this material for the past 6 years on all installations from mounting 1/2" aluminum to pvc to stud mount.
We used this on an installation of 2" pvc letters, 18" tall on a brick surface and removed the lettering 3 years later. The removal was so difficult, we actually had to use wire brush to remove the material from the surface.
It was developed to be used for an additive to brick mortar for "floating" foundations.
It's properties are real close to silicone but it's staying power is much more potent.
Furthermore, for application, place small amounts onto surface, allow to tack a little then apply letter or whatever else you use it for. It will surprise you!
Call Adhesives Plus in Dallas 800-553-5970 and talk to Ken Bruce(president). He should be able to help you find some. I do know it was available at one time in home depot, but not sure. It is available in caulk tube or sqeeze tube form.
Hope this helps
Posted by John Rodgers (Member # 4118) on :
Thanks everyone, for the responses. The lettering is 13mm sintra so i can try the straight pin trick, and i will definitely look into the non silicone adhesive.
thanks again
Posted by Laura Butler (Member # 1830) on :
We do it just like Scooter said-double stick tape and silicon.
Posted by Jean Shimp (Member # 198) on :
We have been using double face tape and GE silicone adhesive for years and have had only isolated problems. It's very important that you scuff the back side of the pvc letter so the silicone can grab onto it. We use 40 grit sandpaper to scuff with; also silicone adhesive has about a one year shelf life. Check the date on the tube before you use it.
