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S-Value
Section modulus of the cross section of a member about the neutral axis perpendicular to the loads.This section property is used to calculate the stress on a member under loads and is directly proportional to the capacity of the member. (Higher "S" values improve the member's performance and reduce internal stress.) [top]
Safety Glass
A strengthened or reinforced glass that is less subject to breakage or splintering and less likely to cause injury if broken. Law requires glass in doors to be some type of safety glazing product, such as tempered or laminated glass. [top]
Sandwich Panel
A type of box shaped panel that is installed by fastening into it's flanges. [top]
Sash
A single assembly of stiles and rails made into a frame for holding glass. [top]
Sash Lift
A protuding handle screwed to the inside bottom rail of the lower sash on a double-hung window. [top]
SBCCI
Southern Building Code Congress International.
One of the three model code groups in the US now merging to form the International Code Council. [top]
SC Value
The numerical representation of the Shading Coefficient. [top]
Scope of Work
The scope of work is the pre-determined work required to be completed by a contractor or sub-contractor as dictated by the Contract. [top]
Screw chase
See Key chase [top]
Sealant
Usually 'parabond' applied to all mitres and butt joints to prevent water penetration. [top]
Sealed Unit
Two panes of glass separated with an aluminium spacer and sealed with polysulphide butyl. [top]
Seismic
Installations or components with the prefix 'Seismic' refer to either an installation project that needs to conform to seismic requirements, or components used on a 'seismic installation'. Seismic installations typically use different extrusions and installation techniques than Non-Seismic installations. [top]
Seismic Jamb
The sleeve that is installed on the jamb of every seismic installation to provide the installation with compensation on either side of the frame for seismic drift. (Also Compensation Channel) [top]
Seismic Stabilizing bracket
Brackets installed in exterior corner couplers and all swing/sliding doors of a seismic installation. Designed to help stabilize and secure the components to the rough opening. [top]
Self Adhesive Membrane
A self-adheisive elastomeric material applied to the surface of the rough opening to waterproof the opening. [top]
Self Cleaning Glass
Glass treated with a special coating. Currently, commercially available products feature a coating that uses the sun's UV rays to break down organic dirt through what is called a photocatalytic effect. The coating also provides a hydrophilic effect, which reduces the tension of water to cause it to sheet down the surface easily and wash dirt away. [top]
Semi-Rigid Insulation
A type of insulation installed in the cavities of a window installation. (In the couplers, between frames and rough openings, in the deflection channel, etc.) [top]
Service
Repairing deficiencies in the product after its manufacture. [top]
Shading Coefficient (SC)
A measure of a window's ability to transmit solar heat, relative to that ability for 1/8" clear glass. The lower a unit's shading coefficient, the less solar heat it transmits, and the greater its shading ability. It is being phased out in favour of the solar heat gain coefficient. [top]
Sheet Glass
A transparent, flat glass found in older windows, now largely replaced by floatglass. [top]
SHGC Value
The number expressing the Solar Heat Gain Coefficient. [top]
Shim
An thin object made of a specified material designed to displace anonther object to help position it in the proper place. [top]
Sidelights
Narrow fixed units mulled or joined to door units to give a more open appearance [top]
Sign-off
A sign-off is the procedure in which the Field Quality Assurance Department reviews an installed window, or point in the installation for deficiencies in the product, or installation procedure. [top]
Sill
The main horizontal member forming the bottom of the frame of a window or door. [top]
Simulated Divided Light
A method of constructing windows in which muntins are affixed to the inside and outside of a panel of insulating glass to simulate the look of true divided light. [top]
Single Glaze
Use of single lites of glass in a window. Not as energy efficient as double glazing. [top]
Single-Hung
A double-hung type of window in which the top sash is fixed or inoperable. [top]
Single-strength Glass
Glass with thickness between 0.085" and 0.100" [top]
Site Directive
A site directive is an instruction to proceed issued by the Contractor. It must commence concurrently with estimating. The change to the scope of work may influence the contract price, and the contract time frame; however, those details are negotiated during or after the completion of the scope of work by the Sub-Contractor. [top]
Site Instruction
A site instruction is the most common type of change order. Site instructions are issued only for the purpose of recording any clarification or interpretation of the drawings and/or specifications as part of the contract documents or giving direction on problems resulting from site conditions. These instructions are subject to the provisions of the contract documents and unless stated herein and specifically co-authorized by the Project Manager, will not affect the contract value. [top]
Skin
A single piece of material used as the face of a door. [top]
Skip Debridging
The process of intermittently debridging lengths of thermal bridge and leaving behind gaps of bridge web after the thermal break cavity has been filled. I.E. 18" debridge, 2" skip [top]
Slab
a term for the concrete division between two floors of window wall. [top]
Sliding Door
See Patio Door. [top]
Smart Door
Generic term, sometimes used to windows featuring switchable glass to control solar gain. [top]
Soft Coat Glass
A glass product that is coated in a secondary process known as sputter coating, usually to offer low-emissivity or solar control benefits. [top]
Solar Control Glass
Glass produced with a coating or tint that absorbs or reflects solar energy, thereby reducing solar gain. [top]
Solar Heat Gain Coefficient
The SHGC is a rating which is now generally replacing the shading coefficient, measuring a window's ability to transmit solar heat. It measures both the solar radiation which is directly transmitted, as well as the solar radiation absorbed by the glass and subsequently transmitted. The lower a unit's solar heat gain coefficient, the less solar heat it transmits, and the greater is its shading ability. The solar heat gain coefficient is approximately equal to the shading coefficient divided by '1.15' and is expressed as a number without units between 0 and 1. [top]
Solid Core Door
Flush door produced with a solid material placed within the door skins. [top]
Sound Transmission Class (STC)
The STC is a rating measuring a window's acoustic properties or its ability to reduce sound transmission. A SCT rating is determined by measuring the sound transmission over a selected range of sound frequencies. The higher the number, the less sound transmitted. [top]
Sound Transmission Loss (STL)
Sound transmission loss is a measure of the sound-insulation value of a partition; it is the amount, in decibels, by which the intensity of the sound is reduced in transmission through the partition. [top]
Spandrel
A type of opaque glass most commonly used to conceal building elements between floors of a building so they cannot be seen from the exterior. [top]
Spectrally-selective glass
A coated or tinted glazing with optical properties that are transparent to some wavelengths of energy and reflective to others. Typically, spectrally-selective coatings are designed to allow high levels of visible light, or daylight into a building and reflect short-wave and long-wave infrared radiation. [top]
Splice Plate
A component installed between two pieces of connecting deflection channel to hold them together. Splice plates come in a variety of angles that correspond to the corners of a window walls installation. [top]
Sputter-coating
A secondary manufacturing process in which a thin layer of materials, usually designed to offer low-emissivity or solar control benefits, is applied to glass. Sputter-coatings are commonly referred to as soft-coats, as they require some additional care when handling and fabrication; they must be used within an insulated glass unit. [top]
Stage Anchor
A stage anchor is a component installed on the exterior side of a window frame that provides an anchor for swing stages, typically those used by window washers. [top]
Stamped Finals
The first revision of the Window Shop Drawings that have been approved by the Contractor, the Consultant, and the Engineer. [top]
Steel Reinforcing
Reinforcing secured in extruded aluminium jambs. [top]
Steel Stud
A type of framing that is used in conjuction with or replacing the concrete sills and jambs of a rough opening. [top]
Stile
The main vertical members of the framework of a sash. [top]
Stool
An interior trim piece on a window which extends the sill and acts as a narrow shelf. [top]
Stop
A moulding used to hold, position, or separate window parts. Also the moulding or component on the inside of a window frame against which the window sash rests or closes. [top]
Storefront
A non-residential system of doors and windows mulled as a composite structure. Typically designed for high use/abuse and strength. The storefront system usually is installed between floor and ceiling. [top]
Strike Plate
A retaining device installed in the jamb or astragal of a door framem or the inactive leaf of a double door to receive a lock or latch bolt. [top]
Struct-Link
The process of intermittently debridging the aluminium thermal cavity leaving a small portion intact to create a structural link between the exterior and interior surfaces without compromising materially the thermal performance of the system. (Also, Skip-Debridging) [top]
Sub-Contractor
A sub-contractor refers to secondary construction trade contracted by the General Contractor to complete a required scope of work such as dry walling or fenestration. [top]
Sub-Penthouse
The second highest floor in a building or installation project. [top]
Suite
Refers to the residential or commercial suite that is going to exist where the windows are being installed after the building is completed. [top]
Super window
A generic term for a window with a very low U-value. Typically it incorperates multiple glazings, low-E coatings, gas fills, and an insulating spacer. [top]
Supply and Install
A contract where Starline supplies the product as well as the installation, either with Starline installation crews or a sub-contracted installation company [top]
Supply Only
A contract where Starline supplies only the windows and the contractor takes responsibility for the installation. [top]
Swing Door
9500 series door that swings outward on two hinges; used for residential and commercial applications [top]
Swing Door Threshold
The sill of a swing door that provides and air seal at the base door leaf clearance. [top]