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Glossary of Window Shade Terms

Download a glossary of window shade terms in PDF format

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Window shade hardware - Ball Stops

Ball Stops

Upper and lower stopping limits for bead chain clutch shades.

Window shade parts - Bead Chain

Bead Chain

Operating chain for clutch shades. Stainless steel standard. Optional plastic in five standard colors.

Window Shade Hardware - Bead Chain Connector

Bead Chain Connector

Metal piece to connect ball chain.

Window Shade Hardware - Bracket

Bracket

Standard mounting point for shade. Use the term "bracket" when providing shade without fascia or headbox.

Window Shade Parts - Ceiling / Wall Headbox

Ceiling / Wall Headbox

Also called a "surface headbox." Consists of decorative front fascia panel and top back cover. Shade is accessible by removing front fascia.

Window Shade Hardware - Chain Hold Down

Chain Hold Down

Safety device to keep chain taut. P-clip standard. If clutch-operated roller shades are installed in an environment where it's possible that young children will be present, choose upgraded spring loaded tensioner to comply with ANSI/WCMA A100.1, the Standard for Safety of Window Coverings.

Window Shade Parts - Clutch

Clutch

Bead chain operator for manual roller shades. Sized as needed for shade panel lifting requirement.

Window Shade Hardware - Clutch NEXD

Clutch NEXD

Heavy-duty clutch mechanism is integrated into mounting endcap. NEXD is available in three hardware sizes (slim, small, and large) and two additional dual roller hardware sizes (small and large) to accommodate a wide range of window shade sizes.

Window Shade Terms - Coupled

Coupled

Two or more bands of shades operating on a single motor or crank. Also sometimes referred to as "multi-banded" shades.

Window Shade Hardware - Coupler

Coupler

Allows one motor or crank to operate multiple shade fabric bands.

Window Shade Parts - Endcap Cover

Endcap Cover

Decorative cover for endcap. Included in width of shade measurements as standard. If endcap covers are not to be used, notify Draper so width of covers may be taken into account.

Window Shade Hardware - Endcap with Fascia or Headbox

Endcap with Fascia or Headbox

Endcaps provide mounting point for shade, and attachment point for fascia/headbox. No brackets are needed when endcaps are used.

Window Shade Hardware - Fascia

Fascia

Decorative aluminum shade cover.

Window Shade Parts - Pocket Style Headbox

Pocket Style Headbox

Four sided cover intended for recessed installation. Shade is accessible from the bottom.

Window Shade Hardware - Railroad / Transvers

Railroad / Transverse

Width of window is greater than width of fabric. Pieces of fabric are rotated, seamed horizontally and trimmed to the correct width. In some cases several pieces may be seamed together to cover unusually tall windows. Not all fabrics are suitable for seaming.

Window Shade Terms - Regular Roll / Reverse Roll

Regular Roll / Reverse Roll

Regular Roll: (Fig. 1) Fabric is rolled off back of roller, next to window. Reverse Roll: (Fig. 2) Fabric is rolled off front of roller, away from window.

Window Shade Terms - Seams

Seams

Two pieces of fabric joined together to make larger piece. All Draper seams are heat sealed. Custom locations available to match mullions.

Window Shade Parts - Slat Bar

Slat Bar

Bottom shade weight which is enclosed in a heat sealed hem.

Window Shade Terms - Spline Attachment

Spline Attachment

A method of attaching shade fabric to a roller that allows shade fabric to be removed without removing roller assembly from mounting hardware. Fabric is welded to a plastic spline then inserted securely into a matching channel in the roller. May affect which shade sizes use small/large fascia or headbox.

Window Shade Parts - Spring Assist

Spring Assist

Also known in specifications as Lift Assist Mechanism (LAM). Specialized roller which reduces resistance when raising a manual shade.

Window Shade Hardware - Stays

Stay

Metal strip to minimize fabric curling or for fabric retention in side channels.

Window Shade Hardware - U Channel

U Channel

2½" x 1" side channel for fabric. Used to reduce light gaps.

Window Shade Hardware - U Channel Cap

U Channel Cap

Optional plastic cap for use with U Channels. Provides a finished end at bottom or top of installed light gap reduction channel.

 
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