Posts Tagged ‘materials’

Wallpaper Coming Off – Delaminating Wall

January 14, 2022

An Unfortunate Situation

This Brooklyn Toile wallpaper by Flavor Paper on an accent wall in a nursery went up beautifully. The contractor had added new Sheetrock to one wall, and painted the other, old/original wall. I skim-floated both walls and sanded smooth, primed, and hung the wallpaper. Perfect! (Search here to see my original post.) But within less than a month, the homeowner contacted me and said that the wallpaper was ” coming off the wall .” It was a 1920’s bungalow in the Woodland Heights neighborhood of Houston. And therein lies the brunt of the problem.
The wallpaper itself is not ” coming off the wall .” What’s happening is that the wall surface itself is coming apart – or, delaminating . This is because multiple layers of paint and other substances on the wall may not be compatible. A probably scenario: In 1920 oil-based paint was used. Later someone rolled on a coat of latex paint. Then the homeowners redecorated and used gloss paint. Then some ” flippers ” who had watched too much HGTV slapped on more paint without bothering to de-gloss or prime first. And somewhere in the mix you’ve got cheap paint and dust and other incompatible materials.
Over time, and especially when stress is put on the wall surface, such as when wet wallpaper paste dries and the paper shrinks, this stress can tug at the wall and actually pull these layers apart. There are other contributing factors, too, such as humidity, temperature, and location. I find it interesting that the worst parts of the affected seams were toward the top of the wall. This speaks of heat, humidity, and forced air (either hot or cold) coming out of the air vent just to the right of this wall. This photo is of the area over a door, very close to the air vent.
See how thick that is? It’s not just the wallpaper. There are several layers of wall coming apart. Some layers are clinging to the back of the wallpaper, and some are staying stuck to the wall.
Multiple layers, many years of coatings on this wall.
Easy to see the many layers. The paper itself, my blue primer, my layer of smoothing compound, paint, more paint coming off the wall. Then multiple layers of paint and texture still clinging to the wall. This shot is just below the ceiling.
Same thing happening at the baseboard at the floor.
Layers of paint separating from the wall in chunks. Some pulled off easily, and some I had to chop off with my 3″ putty knife.
Most of the paint and unstable surface material clung to the back of the wallpaper. This pile is just three strips – only half the wall. But it’s thick and stiff and heavy because of the paint stuck to the back of the wallpaper. There was so much and it was so heavy and bulky that I had to carry it out to my van in two trips. When I got home, it totally filled my trash bin.
Here’s the wall once all the other layers came off. Brushing my hand over it revealed a layer of dust. No wonder the paint and other coatings wouldn’t stick. Nothing sticks to dust. It’s like flouring a cake pan… The paint or wallpaper will kinda stick – but won’t really stick. Paint on top may be fine. But add a little stress from drying / shrinking wallpaper, and you may end up with layers that pull apart.
Wiping the walls with a damp sponge removed a lot more dust. But the wall still felt chalky. Whatever type of paint this was, it was not holding together.
I had to stabilize this chalky surface. Enter Gardz, a wonderful product – Gardz is a thin, penetrating sealer that soaks into porous surfaces and binds substances together. It dries hard and creates an intact surface. The darker area in the picture is where I’ve rolled on a test area. Gardz is thin like water, and it runs and drips and splatters. It’s imperative that you cover floors, countertops, and baseboards, and roll carefully, and roll upward rather than downward, to minimize runs and drips. A microfiber roller holds the liquid well, and reduces drips.
Gardz is made by Zinsser.
No photo of the finished wall, but I was very pleased with the stability of the surface. No more chalk or dust. Now, there still could be unstable or incompatible layers deeper inside the wall. (Latex paint over oil without proper prep.) But for now I feel pretty confident that this wall is solid and will hold up to the next process in preparation for getting the new wallpaper up.

Lotsa Color, and a Nice Faux Silk

April 16, 2020


I have worked for this couple in their charming 1929 bungalow in West University ( Houston ) several times since the 1990’s. They definitely are not people to go with the all-white or all-grey or minimalist trends that are popular today. These folks like COLOR!

The dining room walls were originally upholstered in a botanical print on blue (which the homeowner did himself, and did a mighty find job of, too). So the room never was bland white. 🙂 But now, 20 years later, they were ready for an update.

Their contractor removed the fabric and then skim-floated the walls smooth. Usually I have to go back and re-smooth the walls … but this guy did a really good job, and I was able to simply prime, and then hang the paper.

This is a vinyl product named ” Wild Silk ,” and is by Thibaut . It’s much more stain-resistant and durable than real fabric. Unlike real silk and other natural materials like grasscloth , this product has a pattern match. This means that you are not going to see each separate panel or visible seams, like you do with real silk. So the walls have a much more homogeneous and pleasing look.

The challenge lay with the old house and its un-plumb walls and un-level ceiling and window/door moldings. Since the ceiling was not level, if I hung the wallpaper true to plumb, then it would start “tracking” off-kilter at the ceiling line, and appear to be running either uphill or downhill. This effect was further complicated by the way the pattern ran along the window and door frames.

I decided to keep the pattern parallel to the ceiling molding line. This meant letting it go crooked along the door and window frames, if that’s how it turned out. The ceiling line was more visible and more important.

Since the pattern was tracking off-kilter, I used a razor blade and a straightedge to trim off a wedge-shaped chunk from one side of the wallpaper. This forced the pattern to move up (or down). After a few strips, I had tweaked it enough that the design was moving straight across under the crown molding.

Even though the strips were not hanging plumb, it looked wonderful along the ceiling line. This “silk” pattern was very accommodating of that. If it had been a design with a prominent motif that the eye wanted to see marching straight across the ceiling AND straight down along a door frame, it would have been much more difficult to pull off – maybe impossible.

Going around the window (no pic) was even more complicated. Because I was tweaking the three strips above the window to follow the crown molding, and also the three strips below the window – and you can’t guarantee that these will all adjust at the same rate. So getting the strip to the left of the window (no pic) to match up with the strips above AND below the window would be pretty impossible.

So I was extremely pleased when the pattern on all these strips did match up, within about 1/16″.

This is a vinyl material and was somewhat difficult to push tightly into edges and corners, and to cut through. I was glad that I didn’t have intricate decorative moldings to cut around. I used orange chalk to color the edges of the material, to keep the white substrate from showing at the seams.

I love the way the salmon color coordinates with the painted trim. Who paints door moldings orange??! THESE people do – and I highly applaud it! No boring all-white rooms in this house!

The look is bold, but surprisingly warm. The orange moldings against white walls would have been jolting. But with the salmon colored wallpaper, the whole effect is unified, inviting, and invigorating!

Grasscloth in Heights Master Bedroom

January 17, 2020


This is the 1st floor master bedroom of a nicely-remodeled-but-still-retains-many-original-details-and-all-its-original-charm 1920 bungalow in the Heights neighborhood of Houston.

The textured walls started out dark green. I skim-floated and sanded them smooth. The new wallpaper is a brown grasscloth with a faint greenish tinge, and it has a nubby texture with a lot of knots (more pics tomorrow!)

The homeowner ordered her paper before I measured the room, and I told her to get two additional double roll bolts. In the 4th photo, I am checking labels to be sure we have all the same run / dye batch; we lucked out and the new bolts were the same run as the original lot.

In the 5th photo, I have cut strips for a wall, and have them lined up and ready to paste and trim. In the background, you can see how I place bolts against each wall, as a way of keeping track of how many strips I need and which bolts I will take them from.

Because there are shading / paneling issues with grasscloth (do a Search here on those terms), it’s important to not mix strips from different bolts. That way, if there are slight color differences between bolts (as there usually are) these differences will be minimized. Still, as you see in the third photo, the three strips on the right came from one bolt, and the strips on the left came from another bolt – and there is a noticeable difference in shade. This is not a defect – it’s simply the nature of grasscloth – a product made from natural materials.

This one long wall used seven strips from three bolts, so a color difference could be expected. On the other, narrower, walls, all the strips came from the same bolt, so the color differences were minimized. When I had to use different bolts on the same wall, I was able to place the “break” over a door or window, with only 1′ of color difference. That’s a lot less noticeable than the 8′ you see on the long wall in the photo.

This wallpaper was bought through Sherwin Williams. There is no brand name on the label.

More photos tomorrow!

Consider Using a Muted Wallpaper Pattern Instead of a Textured Wall Covering

December 12, 2017



Many people these days are wanting textured wallpapers. But one problem with textured materials is that, once you step away from them, you no longer see the texture.

Today I hung this small wallpaper pattern in a muted, 2-color scheme. I thought to myself, “Here we have the effect of texture, warmth, movement, and depth – and you CAN see it from across the room.”

The next time a client bring up the idea of a textured paper, I’m going to suggest a small pattern, similar to this one.

This pattern is by Thibaut Designs, # T-72614.