The 1-Hour DIY Valance That Makes Plastic Roll Up Blinds Look Custom

I remember staring at my screened-in porch last July, watching a sudden thunderstorm soak my favorite rattan chair because the 'aesthetic' bamboo shades I had installed were basically sieves. I needed something that actually worked, but I was not ready to sacrifice my soul to the altar of hardware-store utility. Enter the plastic roll up blinds—the unloved stepchild of window treatments that, with a little architectural trickery, can actually look like a deliberate design choice.

• Hide the top mounting bracket with a simple 1x6 pine valance box.
• Layer with outdoor-grade fabric panels to soften the industrial PVC edges.
• Use cord cleats to manage the visual clutter of long pull strings.
• Choose an outside mount for better coverage and a cleaner vertical line.

The High-Low Mix: Why I Actually Defend the Utilitarian Plastic Shade

Confession time: I used to be a total snob about anything made of PVC. I wanted natural fibers, hand-woven textures, and organic materials. Then I lived through a coastal summer where the humidity turned my expensive jute shades into a science experiment in mold. A pvc roller shade might not sound like a luxury item, but when the wind picks up and the rain starts sideways, it is the only thing standing between your outdoor rugs and a watery grave.

The challenge isn't the material; it is the presentation. Most people hang pvc roll up blinds and leave the white plastic brackets and metal screws exposed. That is what makes it look like a budget rental. Is an All-Weather Exterior PVC Roll-Up Sun Shade Actually Tacky? Only if you treat it like a temporary fix. When you integrate these roll down plastic shades into the actual structure of your porch or patio, they become a functional layer rather than an eyesore.

The Hardware Is the Dead Giveaway (And How to Hide It)

The main reason these shades look cheap is the 'headrail'—or lack thereof. It is usually just a thin tube or a plastic bar that looks flimsy. To fix this, I build a simple wooden valance, also known as a pelmet box. It is a three-sided box that caps the top of the window frame, hiding the roll and the brackets entirely.

You only need a 1x6 pine board, some wood glue, and a few 2-inch trim screws. Measure the width of your window, add two inches for clearance, and cut your board. Paint it the exact same color as your house trim or porch pillars. Once you mount this box over your pvc shade, the eye only sees a clean, architectural line. It looks like the shades were built into the house from day one.

Getting the Measurements Right for a Hidden Mount

Measurement is where most DIY projects go off the rails. When you are using pvc roll-up shades, remember that as the shade rolls up, the diameter of the roll increases. If your valance box is too shallow, the shade will scrape the wood every time you pull it. I recommend a minimum depth of 5 inches from the wall.

I always opt for an outside mount for the structural box. By mounting the valance to the header beam above the window, you allow the plastic roll up shades to hang flush against the opening, which provides much better wind protection than an inside mount that leaves gaps on the sides.

Softening the Harsh Edges with Layered Outdoor Drapery

If you want that high-end resort feel, you cannot stop at the plastic layer. The secret is the 'sandwich' method: functional shade in the middle, architectural valance on top, and soft fabric on the sides. I pair my pvc roll up blinds with heavy-duty outdoor canvas curtains on a simple black iron rod.

I look for a 250 gsm weight fabric with a 96-inch drop to ensure they have enough heft to hang straight. Let the side panels puddle about half an inch on the ground—it creates a relaxed, cabana vibe that completely masks the fact that there is a plastic barrier behind them. My All-Weather Exterior PVC Roll-Up Sun Shade Saved My Winter Patio because it allowed me to keep the heat in while the linen-look curtains kept the space feeling like a cozy living room.

Wrangling the Pull Cords on Massive Window Expanses

Nothing kills a design faster than a 'spaghetti mess' of tangled strings. When you are dealing with 96 outdoor pvc roll-up blinds with cords, you have a lot of literal rope to manage. Do not let them just dangle. It is a safety hazard for pets and kids, and it looks incredibly messy from the street.

Buy a set of sleek, modern cord cleats in a finish that matches your other hardware—matte black or brushed brass. Mount the cleat at eye level on the inside of your porch post. When the pvc roll-up shades are up, wrap the cord in a tight figure-eight. This small detail takes thirty seconds but makes the entire installation look professional and tidy.

When the DIY Route Isn't Enough (And What to Buy Instead)

I am the first person to advocate for a clever hack, but I also know when to call it. If your space has zero overhead clearance for a valance, or if you absolutely cannot stand the look of cords, it is time to look at a more permanent solution. The DIY valance is a great fix for a budget-friendly porch refresh, but for a primary living space, you might want something more integrated.

If you are ready to move past the hardware-store plastic, upgrading to architectural Roller Shades is the next logical step. You can find options like Outdoor Shades 5 Openness which offer a woven, mesh-like texture. These provide the same weather protection but with a much sleeker profile and better breathability than solid plastic slats.

Frequently Asked Questions

Do plastic roll up blinds get hot in the sun?

They can. Because they are solid PVC, they don't breathe as well as mesh. This is why I always suggest layering them with fabric curtains—the fabric provides an extra buffer of shade and helps circulate the air.

Can I paint my PVC shades to match my house?

I wouldn't recommend it. The constant rolling and unrolling will cause the paint to crack and flake off within a week. If you want a specific color, buy the shades in that color and paint the wooden valance to match your trim instead.

How do I clean them if they get moldy?

This is the best part: you don't have to be precious with them. A bucket of warm soapy water and a garden hose will take off a season's worth of pollen and dust in five minutes. Try doing that with custom Roman shades!