Wallpaper primer prevents wallpaper paste from softening latex paint. It makes the paper easier to remove and creates a sound, hard surface for adherence to drywall. It also prevents stains from bleeding through the wallpaper.Continue Reading
Before 1960, most walls were made of plaster. Plaster does not require priming. Sizing was traditionally applied to plaster to make the wall more moisture resistant. The sizing was composed of a thinned-down wheat paste made from flour.
After 1960, most homes had walls made of drywall. This paper-faced board required more than a coat of flour paste to protect it from the moisture contained in wallpaper. It was during this time that primers were developed to seal the surface.Learn more about Building Materials
Wallpaper sizing creates a slippery, glossy surface on the wall, allowing easier movement of the wallpaper and easier application. Sizing is optional, but it can be very beneficial, especially for installing wallpaper over walls with a matte painted surface that does not allow for easy positioning.Full Answer >
Wallpaper can be purchased at a number of different retail outlets, such as home improvement stores, big box stores and general building materials stores. Wallpaper is an ideal alternative for those who do not want to deal with painting or want to add different colors and designs to a room.Full Answer >
To apply wallpaper, sand away blemishes in the wall, apply an oil-based primer, measure and cut the wallpaper, wet the wallpaper, and hang it on the wall, as DIY Network recommends. After hanging wallpaper, smooth out any wrinkles and press the seams together.Full Answer >
Old wallpaper does not always have to be removed before applying new wallpaper. However, in most situations it is best to simply remove the old wallpaper before applying new wall covering because old wallpaper can have tears or wrinkles, which can impact the overall look of new wallpaper.Full Answer >