How to document window treatment specs for high-altitude glare and privacy

If you run an interior design studio in the Front Range, specifying window treatments can quietly drain your time and your margin. At 5,280 feet and above, the sun is not just a design detail—it is an exposure risk. Standard specifications that perform beautifully at sea level often fail under Denver’s 300 days of intense, high-altitude UV rays. Natural silks rot within seasons, unlined linens lose their shape, and clients get blinded by mid-afternoon glare reflecting off the Rockies.

Most studios already manage these complex details across spreadsheets, email threads, and local server folders long before a dedicated system enters the picture. But when high-altitude UV exposure, fabric stability, and client privacy concerns collide, your documentation needs to be airtight. Documenting altitude-specific details—like exact UV ratings, lining weights, and exposure directions—protects your client’s expensive hardwood flooring and protects your studio from costly remakes on install day.

Documenting room-by-room exposure and orientation

Most studios already track window orientation in their heads, but high-altitude projects require capturing exposure data directly within your product specifications. A west-facing great room in Cherry Hills needs a completely different fabric stability and openness factor than a north-facing study in the same house.

To prevent fabric degradation and client discomfort, your room-level specifications should explicitly state the window's orientation and exposure level. When you hand off specs to your workroom, they need to know exactly what kind of sun exposure the window will face.

For south- and west-facing windows along the Front Range, document the exposure as "High-UV/Direct." This tag immediately signals to your team and your workroom that the primary fabric requires heavy protection. For these orientations, always tie specific lining requirements—such as high-quality sateen or blackout linings—directly to the primary fabric specification. If you are specifying a natural fiber like linen for a sunny room, your documentation must show the interlining spec as a non-negotiable line item.

The math of light control: Openness factors and fabric stability

Let's look at the real math of glare control. When specifying solar shades for a modern home in Washington Park, balancing mountain views with UV protection comes down to the "openness factor." This percentage represents the amount of light that passes through the weave of the shade.

Imagine you are specifying custom motorized roller shades for a client's west-facing living room with floor-to-ceiling windows. Here is how a realistic worked example looks on paper:

• Vendor (Fabric): Evergreen Textiles
• Vendor (Workroom/Hardware): Front Range Drapery Artisans
• Product: Vista-Shield Solar Shade (Charcoal/Bronze fabric)
• Specification: 3% openness factor for the main living area (preserves the mountain view while blocking 97% of UV rays)—1% openness factor for the media corner to eliminate screen glare.
• Quantity: 8 motorized roller shades
• Trade Cost: $380 per shade ($3,040 subtotal)
• Custom Fascia & Somfy Motors: $2,200
• Studio Markup: 35% ($1,834 markup)
• Landed Cost: $7,824 (including $350 freight and $400 local installation by Apex Installers)
• Lead-Time Range: 6 to 8 weeks

  $3,040.00 (Shades Trade Cost)
+ $2,200.00 (Motors & Hardware)
+ $1,834.00 (35% Studio Markup)
+   $350.00 (Freight / Landed Cost)
+   $400.00 (Local Installation)
----------------------------------
= $7,824.00 (Client Total Cost)

In your documentation, you must specify the exact openness percentages and fabric compositions. If you simply write "solar shades" on your purchase order, your workroom might default to a 5% or 10% openness factor. At high altitudes, that extra light transmission will leave your client squinting and cause their custom rugs to fade prematurely.

Managing client approvals for the privacy-light tradeoff

Clients frequently ask for the impossible—they want maximum natural light and mountain views during the day, but they demand absolute privacy at night. This tradeoff is where misunderstandings happen.

To avoid the dreaded "but I didn't know it would be this sheer" conversation on install day, your approval process must be highly visual and explicit. Do not rely on digital renderings alone.

First, document physical sample approvals. When a client approves a textile, take a photo of the physical sample held up against the window during peak sunlight hours. Attach this photo directly to the product specification.

Second, if the client is hesitant about the tradeoff, document dual-treatment alternates. For example, show a primary sheer drapery paired with a concealed blackout roller shade. Presenting these as side-by-side options with clear pricing allows the client to make an informed decision about budget versus light control before you send purchase orders to your workroom.

How to organize window treatment specs without spreadsheet chaos

Most studios already organize projects across pins, spreadsheets, and trackers long before a system enters the picture. It is easy for a critical detail—like a lining spec or an exposure note—to get lost when you are copying cells from one document to another.

Alcove lets you bring that work in through imports and tools you already use, instead of starting from a blank file. The platform stores treatment decisions, sample approvals, and alternates by room and exposure. You can import your product specs directly with our Chrome Clipper, group them by room, and track client approvals alongside your workroom POs in a single workspace.

So you can spend more time on design decisions and less on copying cells.

Price with clarity. Install with confidence.

See how we do it at alcove.co.

FAQs

What is the best openness factor for high-altitude solar shades?

For Denver and mountain homes, a 3% to 5% openness factor is generally the sweet spot for preserving mountain views while mitigating harsh glare. However, for intense west-facing elevations, a 1% openness factor or a dual-shade system is often necessary to protect interior finishes from UV damage.

How should I document drapery lining for high-UV environments?

Always specify high-quality, UV-inhibiting interlinings and face linings—such as heavy sateen or blackout linings—for natural fibers like silk or linen. Document these lining specs as distinct line items tied directly to the primary fabric specification so your workroom never misses the extra layer of protection.

How do I track window treatment alternates when a client is budget-conscious?

Instead of burying alternate fabrics or mounting styles in email threads, document them as side-by-side options within your project workspace. In Alcove, you can present primary selections alongside approved alternates, allowing the client to approve the final cost and light-control tradeoff in one click.