Sunroom Window Treatments That Handle Heat, Glare and Fading

Sunscreen fabric is woven as an open mesh, so light gets diffused but sightlines pass straight through. From inside, the yard and the middle distance stay perfectly readable through a lowered shade. This is the default choice for most sunrooms.

Fabrics come in 1%, 3% and 5% openness. A lower openness lets less direct sun through and softens the view along with it, while a higher openness does the reverse. West facing sunrooms usually call for the lower end, north facing rooms and view driven spaces for the higher end.

SmartWings motorized sunscreen roller shades: 1%, 3% and 5% openness, suited to sunrooms where the view comes first.

The honeycomb structure holds pockets of still air inside the fabric, which helps slow the exchange of heat between the glass and the room. West facing sunrooms show the difference most clearly by mid afternoon, and double cell construction has deeper pockets than single cell.

Worth knowing: cellular fabric is not see through, so the view goes away entirely once the shade is down. That suits households treating the sunroom as a lounge, a yoga space, or an occasional guest room.

SmartWings motorized cellular shades (from $179): single and double cell, suited to sunrooms where temperature matters more than year round sightlines.

For how the two compare on temperature, see cellular versus roller shades.

Zebra shades run two offset layers of striped fabric. Rotating them brings the sheer and solid bands into or out of alignment, moving the room from fully open to nearly screened. Since sunroom light shifts from morning to evening, that continuous range beats fixed positions.

To be clear, zebra shades are a light control product rather than a blackout one. A sunroom used as a bedroom or media space needs blackout roller or blackout cellular shades instead.

SmartWings motorized zebra shades (from $189.99): suited to sunrooms with big swings in light across the day.

Most sunrooms are built around timber framing or broad white frames, and the natural fibre and warm tones of woven wood sit comfortably against both. Light passing through picks out the weave rather than flattening into a solid panel.

Natural fibres do shift in colour under sustained sun, which is worth factoring in for a room this bright.

SmartWings motorized woven wood shades (from $219): suited to sunrooms where texture drives the design.

A large share of the heat comes in through the roof, and roof and sloped glazing are exactly where standard shades cannot go. The fabric has to be held in side channels, otherwise gravity pulls it away from the glass. These positions are also out of reach, which rules out manual operation for daily use.

Building to a slope angle is what makes these positions workable at all, and it is where sunroom projects most often stall. SmartWings makes skylight and sloped window shades to angle and size, on the same custom programme that covers arched and trapezoid openings.

Measuring calls for the slope angle rather than width and height alone, and getting it wrong is not something you can correct afterwards. The method is on the specialty window measuring guide.

Everything above sits indoors, which means the heat has already come through the glass by the time the shade deals with it. Outdoor shades hang on the exterior face, intercepting direct sun before it arrives. For a sunroom that gets genuinely hot in summer, that is the earlier and more effective intervention.

The fabric carries an IPX4 waterproof rating and can stay up year round. The Zipper Track version runs in side channels and, per the official product description, withstands winds up to 45 mph.

SmartWings motorized outdoor shades (from $199): suited to west and south facing sunrooms in heavy summer use. Whether this works depends on having somewhere to fix the top rail and side channels above the glazing, so it suits sunrooms with a solid frame or overhang more than fully glazed structures. More on choosing them in the outdoor shading guide.

Start with the direction the glass faces. West and south facing sunrooms carry the heaviest summer load, and the most effective sequence is outdoor shades on the exterior with a sunscreen or cellular layer indoors behind them. East facing rooms deal mainly with harsh morning glare, which a sunscreen shade at the lower openness end handles on its own. North facing rooms get soft light all day and rarely need much more than a sunscreen shade at the higher openness end, or woven wood where texture matters more than performance.

Then account for the roof. Any sunroom with a glass roof or sloped glazing should be covered overhead first and at the side windows second, since the roof is where most of the heat arrives. Reversing that order is the single most common reason a shading project underdelivers.

Finally, factor in how the room gets used. A sunroom doubling as a bedroom, media room or office needs two layers rather than one, with blackout roller or blackout cellular shades for darkness and a sunscreen layer for daytime glare. Where the light shifts sharply through the day and the room is used at scattered hours, zebra shades cover more of that range from a single product.

For the difference between light filtering and blackout, see how to choose between them. For other rooms that run hot, see window treatments for hot rooms.

Yes. Glass loses heat far faster than wall, and the air pockets in cellular shades work in that direction too. Double cell is the better fit in regions with wide seasonal swings.

Every fabric changes under sustained exposure. What differs is how fast. Synthetics hold up better than natural fibres, so woven wood suits sunrooms with less direct exposure, while a synthetic fabric is the safer choice on the glass taking full afternoon sun.

Yes, and it is a common setup on west facing sunrooms. The outdoor shade intercepts direct sun at the exterior face, and an indoor sunscreen or cellular layer handles whatever glare and visual privacy is left.

Side windows usually can be, and brackets and instructions ship with the order. Glass roofs and sloped glazing are better left to a professional, since both involve working at height and aligning to an angle.

Dark fabric gives a clearer outward view during the day and does more to suppress glare. Light fabric reflects more and keeps the room feeling brighter. View driven sunrooms usually go dark, brightness driven ones light.