English · Français · Deutsch

Roll shutter glossary

Roll shutter vocabulary, with French and German equivalents. Handy for reading a spec sheet, comparing quotes or searching for a product online.

EnglishFrançaisDeutschDefinition
Roll shutter, rolling shutterVolet roulantRollladenA curtain of slats that rolls up into a box above the opening.
Custom roll shutterVolet roulant sur mesureRollladen nach MaßA shutter made to the exact size of the opening, after an on-site measurement.
Security shutterVolet roulant de sécuritéSicherheitsrollladenA shutter designed to slow down break-ins: reinforced slat, anti-lift, retention and locking.
Exterior-mount (face-mount) shutterVolet roulant en appliqueVorbaurollladenA shutter mounted in front of the window, on the facade or in the recess: the retrofit solution.
Built-in (recessed) shutterVolet roulant encastréEinbaurollladenA shutter whose box is built into the wall, planned during construction.
Top-mounted shutterVolet à caisson supérieurAufsatzrollladenA box mounted on top of the window and insulated with it, in new construction or window replacement.
SlatLameRollladenstab, LamelleThe profile that forms the curtain; named by its visible height, in inches (1 1/2 to 3 in in the VRM range).
Roll-formed aluminumAluminium profiléRollgeformtes AluminiumAn aluminum strip formed into a slat, often filled with foam or resin.
Extruded aluminumAluminium extrudéStranggepresstes AluminiumAluminum pushed through a die: a solid, rigid slat without foam.
PolycarbonatePolycarbonatePolycarbonatA clear, tough plastic used for shutters you can see through.
CurtainTablierRollladenpanzer, BehangAll the slats hooked together.
Box, housingCaissonRollladenkasten, BlendeThe housing the curtain rolls into.
Guide rail, side trackCoulisseFührungsschieneThe side rail that guides the curtain.
Bottom bar, end slatLame finaleEndleisteThe last slat at the bottom of the curtain; it holds the locks.
Locking end slatLame finale à verrouKippriegelendleisteAn end slat that locks the closed shutter against lifting.
Anti-lift lock, push-up protectionAntisoulèvementHochschiebesicherungA lock that prevents lifting a closed shutter.
End retention, wind locksRétention latérale—Locks that keep the slats inside the rails: wind and pull-out resistance.
Hail resistanceRésistance à la grêleHagelwiderstandsklasseA slat's hail test class.
Wind resistanceRésistance au ventWindwiderstandsklasseClass under EN 13659, which depends on the shutter width.
Motorized roll shutterVolet roulant motoriséElektrischer RollladenA shutter operated by a tubular motor hidden in the roller shaft.
Compact manual override (CMO)Manœuvre de secours manuelle (CMO)NothandkurbelA motor that can also be opened with a crank, during a power outage.
CrankManivelleKurbelManual operation with a hinged rod.
Powder coatingPeinture en poudre (thermolaquage)PulverbeschichtungOven-baked powder paint; custom colours on request, depending on the product.
Integrated insect screenMoustiquaire intégréeIntegrierter InsektenschutzAn insect screen housed in the box, depending on the product.

Back to VRM roll shutters

Free in-home consultation and quote

A window to protect?

We measure at your home, choose the shutter and motor with you, and our team installs and programs the shutter. Sales, measuring, installation: one team, since 2014.

The West Island and Montreal, Vaudreuil-Dorion, the South and North Shores, western Laval and the Eastern Townships. Elsewhere, depending on the project.

or text us

Specifications checked against the product spec sheets and Somfy documentation on October 2, 2026.

VRM Industries brand roller shutters, sold, measured and installed by the Le Gars des Stores team.

Somfy® and Somfy product names belong to their owner; this site is not operated or endorsed by Somfy. The drawn slat illustrations are by Le Gars des Stores. Somfy product images: © Somfy Systems, Inc.

Our work in motion

More projects on video

Nuns' IslandMotorized solar shades lowering in a bay window, water view
LanaudièreLarge black 5% motorized solar shades rising in the living room of a cottage
LanaudièreSomfy motorized 5% solar shades on very large windows
WestmountWhite roller shutter rising on a stone garage
MontrealSomfy motorized roller shutters inside a spa (hair and pedicure)
Baie-D'UrféGiant Somfy motorized solar shade in front of the pool
Motorized blackout shades lowering behind the curtains in a bedroom
Mont-Saint-HilaireMotorized solar shades rising in a kitchen and living room
LanaudièreMotorized blackout shades lowering in the bedroom of a cottage
NDGWhite roller shutter lowering on a patio door, brick house
Vaudreuil-SoulangesMotorized 5% Zip Track solar shades lowering on a modern house
Vaudreuil-SoulangesView from inside: the Zip Track shades lower outside, behind the sheers
Baie-D'UrféMotorized screens lowering on a patio facing the lake
Boucherville1% solar shades lowering inside a pergola
Vaudreuil-SoulangesOutdoor shades on a lakeside veranda
Notre-Dame-de-l'Île-PerrotRoller shades in a dining room
MontrealBlack security roller shutter rising, stone façade
MontrealTwo exterior roller shutters lowering
BouchervilleSecurity roller shutter on a large patio opening
DorvalCounter roller shutter closing, commercial space
BrossardMotorized double roller shades: solar in front, blackout behind (4 shades, 4 motors), penthouse
Saint-LaurentCovered terrace: 18 motorized Zip Track shades on 9 openings (10% closed, 1% lowering)
ChamblyPool house: 2 Zip Track shades and 2 roller shutters, one behind the other, depending on the season

See all our videos (23) →