Can I apply this to a painted smooth masonary wall?

I wouldn't think its an issue. I used it over a textured/painted wall and it worked great.

Works for non-woven wallpaper ??

This wallpaper adhesive did not work as heavy duty to me. It should work on any wallpaper. It goes on pretty wet. The old thing is you can move the paper and realign, if needed probably for a good 30 mins after you place it.

do I have to prime my wall first?

Just a thought, if it is new wallboard and if you think you might ever want to paint that wall it would be better to prime it so that the glue doesn't soak into the wallboard. Then when you take the wallpaper down you won't pull hunks of wallboard out.

Is this a vinyl adhesive

Not sure, I use this for heavier wallpaper and will never use anything but this ever. Its amazing!!!

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🧱 Stick with the best: Clear, strong, and stress-free wallpaper perfection!

PRO GRADE POWER - Engineered for medium to heavyweight wallpapers including vinyl & fabric-backed for a flawless, durable bond.
HEALTHY WORKSPACE - Low VOC (<5 g/L) and low odor formula keeps your indoor environment fresh and safe.
CLEAN CONVENIENT - Premixed, water-based adhesive applies smoothly and cleans up easily with just water before drying.
EFFORTLESS PRECISION - Strong initial tack with ample slip time lets you reposition with ease—perfect for pattern matching and large projects.
TRUSTED AMERICAN CRAFTSMANSHIP - Made in the USA by Roman, a leader with 75+ years of adhesive innovation.

Roman PRO-838 is a professional-grade, heavy-duty clear wallpaper adhesive designed for medium to heavyweight wallcoverings. It offers strong initial tack with generous open time for easy repositioning, dries clear for a clean finish, and is low odor with low VOC for safer indoor use. Ready-to-use and water-cleanable, it’s ideal for both residential and commercial projects, delivering reliable, durable adhesion backed by over 75 years of American manufacturing expertise.

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Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Brand	Roman
Specific Uses For Product	Wallpaper
Material	Modified Starches
Item Form	Paste
Special Feature	Heavy Duty
Colour	Clear
Item Package Quantity	1
Package Information	Pail
Item Volume	1 Gallons
Viscosity	29,000
Water Resistance Level	Not Water Resistant
Net Quantity	128.0 Fluid Ounces
UPC	017104113017
Number of Pieces	1
Global Trade Identification Number	00017104113017
Manufacturer	Roman Decorating Products
Country of Origin	USA
Item model number	011301
Product Dimensions	20.32 x 20.32 x 19.05 cm; 453.59 g
ASIN	B000I1VDPW

Roman 011301 PRO-838 1 gal Heavy Duty Wallpaper Adhesive, Clear

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